Add backfill for rounded tie splits and missing ledger rows

Two stored artifacts went stale when the tie-split math was unified.
team_standings totals hold pre-rounding values, and standings are only
rewritten when something re-triggers a recalculation, so already-finished
leagues would keep 217.50-style figures indefinitely. Separately,
qualifying_points and season_standings seasons finalized before this
change have no team_score_events rows, so their results stay missing from
Recent Scores.

The script re-ledgers every already-finalized one-shot sports season and
recalculates standings for every fantasy season. Both operations are pure
recomputes and ledger rows upsert on (team, season, scoring event), so it
is safe to re-run. Supports --dry, following backfill-qp-resplit.ts.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019LZLF1PAfeKdpYog3NKtyz

app/lib/__tests__/corona-states.test.ts

@@ -0,0 +1,122 @@
+import { describe, it, expect } from "vitest";
+import { computeCoronaStates } from "../corona-states";
+
+const RULES = {
+  pointsFor1st: 100, pointsFor2nd: 70, pointsFor3rd: 50, pointsFor4th: 40,
+  pointsFor5th: 25, pointsFor6th: 25, pointsFor7th: 15, pointsFor8th: 15,
+};
+
+function pick(id: string, scoringPattern: string | null, sportsSeasonId = "ss-1") {
+  return { participant: { id, sportsSeasonId }, scoringPattern };
+}
+
+function results(
+  rows: Array<{ participantId: string; finalPosition: number | null; isPartialScore?: boolean }>
+) {
+  return new Map(
+    rows.map((r) => [r.participantId, { isPartialScore: false, ...r }])
+  );
+}
+
+describe("computeCoronaStates", () => {
+  const noTies = new Map<string, Map<number, number>>();
+
+  it("splits points for a tied qualifying_points pick", () => {
+    // Rahm tied for 8th. 9th is outside the scoring range and contributes 0,
+    // so (15 + 0) / 2 = 7.5 → 8. Before the shared helper this path awarded the
+    // full 15 while the standings awarded the split — the reported bug.
+    const states = computeCoronaStates(
+      [pick("rahm", "qualifying_points")],
+      results([{ participantId: "rahm", finalPosition: 8 }]),
+      new Map(),
+      RULES,
+      RULES.pointsFor1st,
+      new Map([["ss-1", new Map([[8, 2]])]])
+    );
+
+    expect(states.rahm).toEqual({
+      type: "scored",
+      points: 8,
+      brightness: 8 / 100,
+    });
+  });
+
+  it("awards the full value when the placement is untied", () => {
+    const states = computeCoronaStates(
+      [pick("rahm", "qualifying_points")],
+      results([{ participantId: "rahm", finalPosition: 8 }]),
+      new Map(),
+      RULES,
+      RULES.pointsFor1st,
+      noTies
+    );
+
+    expect(states.rahm).toMatchObject({ type: "scored", points: 15 });
+  });
+
+  it("still averages bracket tiers via the bracket template", () => {
+    const states = computeCoronaStates(
+      [pick("team-a", "playoff_bracket")],
+      results([{ participantId: "team-a", finalPosition: 5 }]),
+      new Map([["ss-1", null]]),
+      RULES,
+      RULES.pointsFor1st,
+      noTies
+    );
+
+    // Four QF losers share 5th-8th: (25 + 25 + 15 + 15) / 4 = 20
+    expect(states["team-a"]).toMatchObject({ type: "scored", points: 20 });
+  });
+
+  it("scores other patterns straight off the placement", () => {
+    const states = computeCoronaStates(
+      [pick("driver", "season_standings")],
+      results([{ participantId: "driver", finalPosition: 2 }]),
+      new Map(),
+      RULES,
+      RULES.pointsFor1st,
+      noTies
+    );
+
+    expect(states.driver).toMatchObject({ type: "scored", points: 70 });
+  });
+
+  it("marks picks with no result as pending", () => {
+    const states = computeCoronaStates(
+      [pick("rahm", "qualifying_points")],
+      results([]),
+      new Map(),
+      RULES,
+      RULES.pointsFor1st,
+      noTies
+    );
+
+    expect(states.rahm).toEqual({ type: "pending" });
+  });
+
+  it("marks a finalized zero placement as eliminated", () => {
+    const states = computeCoronaStates(
+      [pick("rahm", "qualifying_points")],
+      results([{ participantId: "rahm", finalPosition: 0 }]),
+      new Map(),
+      RULES,
+      RULES.pointsFor1st,
+      noTies
+    );
+
+    expect(states.rahm).toEqual({ type: "eliminated", points: 0 });
+  });
+
+  it("keeps brightness within range when a tier exceeds maxPoints", () => {
+    const states = computeCoronaStates(
+      [pick("champ", "season_standings")],
+      results([{ participantId: "champ", finalPosition: 1 }]),
+      new Map(),
+      RULES,
+      10, // deliberately below the 1st-place award
+      noTies
+    );
+
+    expect(states.champ).toMatchObject({ brightness: 1 });
+  });
+});

app/lib/corona-states.ts

@@ -1,4 +1,4 @@
-import { calculateFantasyPoints, calculateBracketPoints } from "~/models/scoring-rules";
+import { calculatePickPoints } from "~/models/scoring-rules";
 
 export type CoronaState =
   | { type: "eliminated"; points: 0 }
@@ -27,12 +27,22 @@ interface ScoringRules {
   pointsFor8th: number;
 }
 
+/**
+ * Corona badge state for every pick on the draft board.
+ *
+ * @param sharedPlacementCountsBySportsSeason - sportsSeasonId → (finalPosition →
+ *   how many participants share it), from getSharedPlacementCounts. Required for
+ *   qualifying_points picks: a golfer tied for 8th earns the split award, and
+ *   omitting this would show him at full value here while the standings show the
+ *   split — the exact inconsistency this parameter exists to prevent.
+ */
 export function computeCoronaStates(
   picks: PickEntry[],
   resultByParticipant: Map<string, ResultEntry>,
   bracketTemplateBySportsSeason: Map<string, string | null>,
   scoringRules: ScoringRules,
   maxPoints: number,
+  sharedPlacementCountsBySportsSeason: Map<string, Map<number, number>>,
 ): Record<string, CoronaState> {
   const coronaStates: Record<string, CoronaState> = {};
 
@@ -50,13 +60,19 @@ export function computeCoronaStates(
     }
 
     if (result.finalPosition > 0) {
-      const isBracket = pick.scoringPattern === "playoff_bracket";
-      const templateId = isBracket
-        ? (bracketTemplateBySportsSeason.get(pick.participant.sportsSeasonId) ?? null)
-        : null;
-      const points = isBracket
-        ? calculateBracketPoints(result.finalPosition, scoringRules, templateId)
-        : calculateFantasyPoints(result.finalPosition, scoringRules);
+      const points = calculatePickPoints(
+        result.finalPosition,
+        pick.scoringPattern,
+        scoringRules,
+        {
+          bracketTemplateId:
+            bracketTemplateBySportsSeason.get(pick.participant.sportsSeasonId) ?? null,
+          tiedParticipants:
+            sharedPlacementCountsBySportsSeason
+              .get(pick.participant.sportsSeasonId)
+              ?.get(result.finalPosition) ?? 1,
+        }
+      );
       const brightness = maxPoints > 0 ? Math.min(points / maxPoints, 1) : 0;
       coronaStates[pick.participant.id] = { type: "scored", brightness, points };
       continue;

app/models/__tests__/draft-pick.test.ts

@@ -204,7 +204,7 @@ describe("getDraftedParticipantsWithPoints", () => {
       const result = await getDraftedParticipantsWithPoints("team-1", "season-1", db);
 
       expect(result.get("ss-1")?.[0]).toMatchObject({
-        earnedPoints: 62.5, // (75 + 50) / 2
+        earnedPoints: 63, // (75 + 50) / 2 = 62.5 → 63
         currentQP: null,
       });
     });

app/models/__tests__/scoring-calculator.test.ts

@@ -71,8 +71,8 @@ describe("Scoring Calculator", () => {
 
     it("should average points for three-way tie", () => {
       const points = calculateAveragedPoints([1, 2, 3], DEFAULT_SCORING);
-      // (100 + 70 + 50) / 3 = 73.33...
-      expect(points).toBeCloseTo(73.33, 2);
+      // (100 + 70 + 50) / 3 = 73.33... → 73 (nearest whole point)
+      expect(points).toBe(73);
     });
 
     it("should handle single placement (no tie)", () => {
@@ -109,7 +109,18 @@ describe("Scoring Calculator", () => {
     });
 
     it("treats positions beyond 8th as zero at the scoring cutoff", () => {
-      expect(calculateSharedPlacementPoints(8, 2, DEFAULT_SCORING)).toBe(7.5);
+      // Two tied for 8th share 8th + 9th; 9th is outside the scoring range and
+      // contributes 0, so (15 + 0) / 2 = 7.5 → 8.
+      expect(calculateSharedPlacementPoints(8, 2, DEFAULT_SCORING)).toBe(8);
+    });
+
+    // The /rules page (app/routes/rules.tsx) publishes these two examples to
+    // players. They are asserted here so the code and the published rule cannot
+    // drift apart — note the second rounds DOWN, confirming "nearest whole
+    // point" rather than always rounding up.
+    it("matches the tie examples published on the rules page", () => {
+      expect(calculateSharedPlacementPoints(2, 2, DEFAULT_SCORING)).toBe(60);
+      expect(calculateSharedPlacementPoints(6, 3, DEFAULT_SCORING)).toBe(18);
     });
   });
 
@@ -150,8 +161,8 @@ describe("Scoring Calculator", () => {
   describe("Edge Cases", () => {
     it("should handle all participants tying for 1st-8th", () => {
       const points = calculateAveragedPoints([1, 2, 3, 4, 5, 6, 7, 8], DEFAULT_SCORING);
-      // (100 + 70 + 50 + 40 + 25 + 25 + 15 + 15) / 8 = 42.5
-      expect(points).toBe(42.5);
+      // (100 + 70 + 50 + 40 + 25 + 25 + 15 + 15) / 8 = 42.5 → 43
+      expect(points).toBe(43);
     });
 
     it("should handle placements with same point values", () => {

app/models/__tests__/season-standings.test.ts

@@ -41,8 +41,8 @@ describe("Season Standings (F1 Pattern)", () => {
     it("should handle 3-way tie for 5th place", () => {
       // Three drivers tied for 5th share 5th, 6th, and 7th place points
       const points = calculateAveragedPoints([5, 6, 7], DEFAULT_SCORING);
-      // (25 + 25 + 15) / 3 = 21.67
-      expect(points).toBeCloseTo(21.67, 2);
+      // (25 + 25 + 15) / 3 = 21.67 → 22 (nearest whole point)
+      expect(points).toBe(22);
     });
 
     it("should handle 4-way tie for 1st place", () => {
@@ -100,7 +100,7 @@ describe("Season Standings (F1 Pattern)", () => {
 
       // Verify tied positions get averaged
       const tiedPoints = calculateAveragedPoints([3, 4, 5], DEFAULT_SCORING);
-      expect(tiedPoints).toBeCloseTo(38.33, 2); // (50 + 40 + 25) / 3
+      expect(tiedPoints).toBe(38); // (50 + 40 + 25) / 3 = 38.33 → 38
 
       // Verify remaining positions
       expect(calculateFantasyPoints(6, DEFAULT_SCORING)).toBe(25);
@@ -143,7 +143,7 @@ describe("Season Standings (F1 Pattern)", () => {
 
       // Tied positions
       const tied3rd = calculateAveragedPoints([3, 4], customScoring);
-      expect(tied3rd).toBe(67.5); // (75 + 60) / 2
+      expect(tied3rd).toBe(68); // (75 + 60) / 2 = 67.5 → 68 (halves round up)
     });
   });
 
@@ -151,8 +151,8 @@ describe("Season Standings (F1 Pattern)", () => {
     it("should handle all 8 positions tied", () => {
       // Extremely unlikely but mathematically possible
       const allTied = calculateAveragedPoints([1, 2, 3, 4, 5, 6, 7, 8], DEFAULT_SCORING);
-      // (100 + 70 + 50 + 40 + 25 + 25 + 15 + 15) / 8 = 42.5
-      expect(allTied).toBe(42.5);
+      // (100 + 70 + 50 + 40 + 25 + 25 + 15 + 15) / 8 = 42.5 → 43
+      expect(allTied).toBe(43);
     });
 
     it("should handle only top 4 finishing (others DNF/DQ)", () => {

app/models/__tests__/standings-breakdown.test.ts

@@ -0,0 +1,178 @@
+import { describe, it, expect, vi, beforeEach } from "vitest";
+
+/**
+ * Regression tests for getTeamScoreBreakdown — the team detail page's points.
+ *
+ * This path used to branch only on `isBracket`, so a qualifying_points
+ * participant tied for a placement was awarded the FULL placement value here
+ * while calculateTeamScore (which writes team_standings) awarded the split. A
+ * team therefore read 225 on its team page and 218 in the standings.
+ *
+ * The load-bearing assertion is the last one: the breakdown's actualPoints must
+ * equal calculateTeamScore's totalPoints for the same fixture. Anything that
+ * makes these two disagree reintroduces the bug.
+ */
+
+vi.mock("~/services/ev-calculator", () => ({
+  calculateEV: vi.fn(),
+}));
+
+vi.mock("../participant-expected-value", () => ({
+  getParticipantEV: vi.fn(),
+}));
+
+import { getTeamScoreBreakdown } from "../standings";
+import { calculateTeamScore } from "../scoring-calculator";
+import { getParticipantEV } from "../participant-expected-value";
+
+const SCORING = {
+  pointsFor1st: 100, pointsFor2nd: 70, pointsFor3rd: 50, pointsFor4th: 40,
+  pointsFor5th: 25, pointsFor6th: 25, pointsFor7th: 15, pointsFor8th: 15,
+};
+
+function makePick(
+  participantId: string,
+  name: string,
+  scoringPattern: string,
+  finalPosition: number | null,
+  { sportsSeasonId = "ss-1", isPartialScore = false, pickNumber = 1 } = {}
+) {
+  return {
+    pickNumber,
+    round: 1,
+    participant: {
+      id: participantId,
+      name,
+      sportsSeasonId,
+      results: finalPosition === null ? [] : [{ finalPosition, isPartialScore }],
+      sportsSeason: { scoringPattern, sport: { name: "Golf" } },
+    },
+  };
+}
+
+/**
+ * @param extraResults results for participants NOBODY drafted. They still count
+ *   toward a tie span, which is exactly why the tie query cannot be narrowed to
+ *   drafted participants.
+ */
+function makeDb(
+  picks: ReturnType<typeof makePick>[],
+  extraResults: { sportsSeasonId: string; finalPosition: number }[] = []
+) {
+  const seasonResults = [
+    ...picks.flatMap((pick) =>
+      pick.participant.results
+        .filter((r) => r.finalPosition !== null)
+        .map((r) => ({
+          sportsSeasonId: pick.participant.sportsSeasonId,
+          finalPosition: r.finalPosition,
+        }))
+    ),
+    ...extraResults,
+  ];
+
+  return {
+    query: {
+      seasons: { findFirst: vi.fn().mockResolvedValue(SCORING) },
+      draftPicks: { findMany: vi.fn().mockResolvedValue(picks) },
+      scoringEvents: { findFirst: vi.fn().mockResolvedValue({ bracketTemplateId: null }) },
+      seasonParticipantResults: { findMany: vi.fn().mockResolvedValue(seasonResults) },
+      teams: { findFirst: vi.fn().mockResolvedValue({ id: "team-1", name: "Mike" }) },
+    },
+  } as any;
+}
+
+describe("getTeamScoreBreakdown", () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+    vi.mocked(getParticipantEV).mockResolvedValue(null as any);
+  });
+
+  it("splits a tied qualifying_points placement", async () => {
+    // Rahm tied for 8th with an undrafted player: (15 + 0) / 2 = 7.5 → 8.
+    const db = makeDb(
+      [makePick("rahm", "Jon Rahm", "qualifying_points", 8)],
+      [{ sportsSeasonId: "ss-1", finalPosition: 8 }]
+    );
+
+    const breakdown = await getTeamScoreBreakdown("team-1", "season-1", db);
+
+    expect(breakdown?.picks[0]).toMatchObject({
+      participant: expect.objectContaining({ name: "Jon Rahm" }),
+      finalPosition: 8,
+      points: 8,
+    });
+    expect(breakdown?.actualPoints).toBe(8);
+  });
+
+  it("awards the full placement value when untied", async () => {
+    const db = makeDb([makePick("rahm", "Jon Rahm", "qualifying_points", 8)]);
+
+    const breakdown = await getTeamScoreBreakdown("team-1", "season-1", db);
+
+    expect(breakdown?.picks[0].points).toBe(15);
+    expect(breakdown?.actualPoints).toBe(15);
+  });
+
+  it("counts undrafted participants in the tie span", async () => {
+    // Three-way tie for 6th where two of the three went undrafted:
+    // (25 + 15 + 15) / 3 = 18.33 → 18, the rules page's published example.
+    const db = makeDb(
+      [makePick("golfer", "Tied Golfer", "qualifying_points", 6)],
+      [
+        { sportsSeasonId: "ss-1", finalPosition: 6 },
+        { sportsSeasonId: "ss-1", finalPosition: 6 },
+      ]
+    );
+
+    const breakdown = await getTeamScoreBreakdown("team-1", "season-1", db);
+
+    expect(breakdown?.picks[0].points).toBe(18);
+  });
+
+  it("still averages bracket tiers", async () => {
+    const db = makeDb([makePick("team-a", "Team A", "playoff_bracket", 5)]);
+
+    const breakdown = await getTeamScoreBreakdown("team-1", "season-1", db);
+
+    // Four QF losers share 5th-8th: (25 + 25 + 15 + 15) / 4 = 20
+    expect(breakdown?.picks[0].points).toBe(20);
+  });
+
+  it("leaves picks without a result at zero points", async () => {
+    const db = makeDb([makePick("pending", "Pending Golfer", "qualifying_points", null)]);
+
+    const breakdown = await getTeamScoreBreakdown("team-1", "season-1", db);
+
+    expect(breakdown?.picks[0]).toMatchObject({ points: 0, isComplete: false });
+    expect(breakdown?.actualPoints).toBe(0);
+  });
+
+  it("agrees with calculateTeamScore on the same roster", async () => {
+    // The reported bug in miniature: a tied golfer plus untied picks. Both
+    // functions read the same fixture, so any divergence is a real regression.
+    const roster = () => [
+      makePick("rahm", "Jon Rahm", "qualifying_points", 8, { pickNumber: 1 }),
+      makePick("scheffler", "Scottie Scheffler", "qualifying_points", 1, { pickNumber: 2 }),
+      makePick("team-a", "Team A", "playoff_bracket", 5, {
+        sportsSeasonId: "ss-2",
+        pickNumber: 3,
+      }),
+    ];
+    const undrafted = [{ sportsSeasonId: "ss-1", finalPosition: 8 }];
+
+    const breakdown = await getTeamScoreBreakdown(
+      "team-1",
+      "season-1",
+      makeDb(roster(), undrafted)
+    );
+    const score = await calculateTeamScore(
+      "team-1",
+      "season-1",
+      makeDb(roster(), undrafted)
+    );
+
+    expect(breakdown?.actualPoints).toBe(score.totalPoints);
+    expect(breakdown?.actualPoints).toBe(128); // 8 (T8) + 100 (1st) + 20 (T5-8)
+  });
+});

app/models/__tests__/team-projected-score.test.ts

@@ -344,7 +344,7 @@ describe("calculateTeamScore", () => {
 
     const result = await calculateTeamScore("team1", "season1", db);
 
-    expect(result.totalPoints).toBe(7.5); // (15 + 0) / 2
+    expect(result.totalPoints).toBe(8); // (15 + 0) / 2 = 7.5 → 8
     expect(result.participantsCompleted).toBe(1);
     expect(result.placementCounts[8]).toBe(1);
   });

app/models/__tests__/team-score-events.test.ts

@@ -1,7 +1,7 @@
 import { describe, it, expect, vi, beforeEach } from "vitest";
 
 vi.mock("~/lib/logger", () => ({
-  logger: { error: vi.fn() },
+  logger: { error: vi.fn(), warn: vi.fn() },
 }));
 
 // ── DB mock helpers ────────────────────────────────────────────────────────
@@ -16,7 +16,13 @@ function makeInsertChain() {
 interface MakeDbOpts {
   sportsSeason?: { sport: { name: string } } | null;
   seasonSports?: { seasonId: string }[];
-  picks?: { teamId: string; seasonId: string }[];
+  picks?: { teamId: string; seasonId: string; participantId?: string }[];
+  scoringEvent?: { id: string; name: string } | null;
+  participantResults?: {
+    participantId: string;
+    finalPosition: number | null;
+    sportsSeasonId?: string;
+  }[];
   seasons?: {
     id: string;
     pointsFor1st: number; pointsFor2nd: number; pointsFor3rd: number;
@@ -41,6 +47,8 @@ function makeDb(opts: MakeDbOpts = {}) {
     seasons = [],
     scoreEventRows = [],
     participantRows = [],
+    scoringEvent = null,
+    participantResults = [],
   } = opts;
 
   const chain = makeInsertChain();
@@ -67,13 +75,24 @@ function makeDb(opts: MakeDbOpts = {}) {
         seasonParticipants: {
           findMany: vi.fn().mockResolvedValue(participantRows),
         },
+        scoringEvents: {
+          findFirst: vi.fn().mockResolvedValue(scoringEvent),
+        },
+        seasonParticipantResults: {
+          findMany: vi.fn().mockResolvedValue(participantResults),
+        },
       },
     } as any,
     chain,
   };
 }
 
-import { recordTeamScoreEvent, recordMatchScoreEvents, getRecentTeamScoreEvents } from "../team-score-events";
+import {
+  recordTeamScoreEvent,
+  recordMatchScoreEvents,
+  recordFinalPlacementScoreEvents,
+  getRecentTeamScoreEvents,
+} from "../team-score-events";
 
 const BASE_PARAMS = {
   teamId: "team-1",
@@ -358,3 +377,155 @@ describe("getRecentTeamScoreEvents", () => {
     expect(result[0].participants).toEqual([]);
   });
 });
+
+describe("recordFinalPlacementScoreEvents", () => {
+  beforeEach(() => vi.clearAllMocks());
+
+  const RULES = {
+    id: "season-1",
+    pointsFor1st: 100, pointsFor2nd: 70, pointsFor3rd: 50, pointsFor4th: 40,
+    pointsFor5th: 25, pointsFor6th: 25, pointsFor7th: 15, pointsFor8th: 15,
+  };
+
+  function makeQpDb(overrides: Partial<MakeDbOpts> = {}) {
+    return makeDb({
+      sportsSeason: { scoringPattern: "qualifying_points", sport: { name: "Golf" } } as any,
+      scoringEvent: { id: "event-9", name: "The Open" },
+      seasonSports: [{ seasonId: "season-1" }],
+      seasons: [RULES],
+      ...overrides,
+      // Tie counts are grouped by sportsSeasonId, so result rows must carry it.
+      participantResults: (overrides.participantResults ?? []).map((r) => ({
+        sportsSeasonId: "ss-1",
+        ...r,
+      })),
+    });
+  }
+
+  it("writes one row per team with the summed award and its participants", async () => {
+    const { db, chain } = makeQpDb({
+      participantResults: [
+        { participantId: "rahm", finalPosition: 8 },
+        { participantId: "scheffler", finalPosition: 1 },
+      ],
+      picks: [
+        { teamId: "team-1", seasonId: "season-1", participantId: "rahm" },
+        { teamId: "team-1", seasonId: "season-1", participantId: "scheffler" },
+      ],
+    });
+
+    await recordFinalPlacementScoreEvents(
+      { sportsSeasonId: "ss-1", eventName: "Final Standings" },
+      db
+    );
+
+    expect(chain.insert).toHaveBeenCalledTimes(1);
+    expect(chain.values).toHaveBeenCalledWith(
+      expect.objectContaining({
+        teamId: "team-1",
+        seasonId: "season-1",
+        scoringEventId: "event-9",
+        scoringEventName: "Final Standings",
+        sportName: "Golf",
+        matchId: null,
+        pointsDelta: "115", // 100 (1st) + 15 (8th, untied)
+        participantIds: ["rahm", "scheffler"],
+      })
+    );
+  });
+
+  it("awards the split value when the placement is tied", async () => {
+    const { db, chain } = makeQpDb({
+      // Rahm ties for 8th with an UNDRAFTED player — the tie still halves it.
+      participantResults: [
+        { participantId: "rahm", finalPosition: 8 },
+        { participantId: "undrafted-guy", finalPosition: 8 },
+      ],
+      picks: [{ teamId: "team-1", seasonId: "season-1", participantId: "rahm" }],
+    });
+
+    await recordFinalPlacementScoreEvents({ sportsSeasonId: "ss-1" }, db);
+
+    // (15 + 0) / 2 = 7.5 → 8, matching what the standings show.
+    expect(chain.values).toHaveBeenCalledWith(
+      expect.objectContaining({ pointsDelta: "8", participantIds: ["rahm"] })
+    );
+  });
+
+  it("keeps each team's award separate", async () => {
+    const { db, chain } = makeQpDb({
+      participantResults: [
+        { participantId: "rahm", finalPosition: 8 },
+        { participantId: "scheffler", finalPosition: 1 },
+      ],
+      picks: [
+        { teamId: "team-1", seasonId: "season-1", participantId: "rahm" },
+        { teamId: "team-2", seasonId: "season-1", participantId: "scheffler" },
+      ],
+    });
+
+    await recordFinalPlacementScoreEvents({ sportsSeasonId: "ss-1" }, db);
+
+    expect(chain.insert).toHaveBeenCalledTimes(2);
+    const deltasByTeam = Object.fromEntries(
+      chain.values.mock.calls.map(([v]: any[]) => [v.teamId, v.pointsDelta])
+    );
+    expect(deltasByTeam).toEqual({ "team-1": "15", "team-2": "100" });
+  });
+
+  it("upserts on the event-level target so re-finalizing does not duplicate", async () => {
+    const { db, chain } = makeQpDb({
+      participantResults: [{ participantId: "rahm", finalPosition: 8 }],
+      picks: [{ teamId: "team-1", seasonId: "season-1", participantId: "rahm" }],
+    });
+
+    await recordFinalPlacementScoreEvents({ sportsSeasonId: "ss-1" }, db);
+
+    const conflictArg = chain.onConflictDoUpdate.mock.calls[0][0];
+    expect(conflictArg.target).toHaveLength(3);
+    expect(conflictArg.targetWhere).toBeDefined();
+    expect(conflictArg.set).toMatchObject({ pointsDelta: "15" });
+  });
+
+  it("skips the write when no scoring event can anchor the row", async () => {
+    // A null scoringEventId would defeat the partial unique index, since
+    // Postgres treats NULLs as distinct — better to skip than duplicate.
+    const { db, chain } = makeQpDb({
+      scoringEvent: null,
+      participantResults: [{ participantId: "rahm", finalPosition: 8 }],
+      picks: [{ teamId: "team-1", seasonId: "season-1", participantId: "rahm" }],
+    });
+
+    await recordFinalPlacementScoreEvents({ sportsSeasonId: "ss-1" }, db);
+
+    expect(chain.insert).not.toHaveBeenCalled();
+  });
+
+  it("ignores non-scoring placements", async () => {
+    const { db, chain } = makeQpDb({
+      participantResults: [
+        { participantId: "rahm", finalPosition: 0 },
+        { participantId: "other", finalPosition: null },
+      ],
+      picks: [{ teamId: "team-1", seasonId: "season-1", participantId: "rahm" }],
+    });
+
+    await recordFinalPlacementScoreEvents({ sportsSeasonId: "ss-1" }, db);
+
+    expect(chain.insert).not.toHaveBeenCalled();
+  });
+
+  it("scores season_standings placements with the shared tier averaging", async () => {
+    const { db, chain } = makeQpDb({
+      sportsSeason: { scoringPattern: "season_standings", sport: { name: "F1" } } as any,
+      participantResults: [{ participantId: "driver", finalPosition: 3 }],
+      picks: [{ teamId: "team-1", seasonId: "season-1", participantId: "driver" }],
+    });
+
+    await recordFinalPlacementScoreEvents({ sportsSeasonId: "ss-1" }, db);
+
+    expect(chain.values).toHaveBeenCalledWith(
+      expect.objectContaining({ sportName: "F1", pointsDelta: "50" })
+    );
+  });
+});

app/models/draft-pick.ts

@@ -1,12 +1,11 @@
 import { database } from "~/database/context";
 import * as schema from "~/database/schema";
 import { eq, and, inArray, asc } from "drizzle-orm";
+import { getScoringRules, calculatePickPoints } from "./scoring-rules";
 import {
-  getScoringRules,
-  calculateFantasyPoints,
-  calculateBracketPoints,
-  calculateSharedPlacementPoints,
-} from "./scoring-rules";
+  getSharedPlacementCounts,
+  lookupSharedPlacementCount,
+} from "./participant-result";
 
 export async function createDraftPick(data: {
   seasonId: string;
@@ -203,19 +202,10 @@ export async function getDraftedParticipantsWithPoints(
     }
   }
 
-  const qpSharedPlacementCounts = new Map<string, Map<number, number>>();
-  if (finalizedQPSeasonIds.size > 0) {
-    const results = await db.query.seasonParticipantResults.findMany({
-      where: inArray(schema.seasonParticipantResults.sportsSeasonId, [...finalizedQPSeasonIds]),
-      columns: { sportsSeasonId: true, finalPosition: true },
-    });
-    for (const row of results) {
-      if (row.finalPosition === null || row.finalPosition <= 0) continue;
-      const counts = qpSharedPlacementCounts.get(row.sportsSeasonId) ?? new Map<number, number>();
-      qpSharedPlacementCounts.set(row.sportsSeasonId, counts);
-      counts.set(row.finalPosition, (counts.get(row.finalPosition) ?? 0) + 1);
-    }
-  }
+  const qpSharedPlacementCounts = await getSharedPlacementCounts(
+    [...finalizedQPSeasonIds],
+    db
+  );
 
   // Assemble result grouped by sportsSeasonId
   const result = new Map<string, DraftedParticipantWithPoints[]>();
@@ -233,23 +223,14 @@ export async function getDraftedParticipantsWithPoints(
       currentQP = qpMap.get(id) ?? null;
     } else if (resultRow?.finalPosition !== null && resultRow?.finalPosition !== undefined) {
       // Finalized result for any pattern (including finalized QP seasons)
-      if (pattern === "playoff_bracket") {
-        earnedPoints = calculateBracketPoints(
-          resultRow.finalPosition,
-          scoringRules,
-          bracketTemplateMap.get(sportsSeasonId) ?? null
-        );
-      } else if (pattern === "qualifying_points") {
-        const tiedParticipants =
-          qpSharedPlacementCounts.get(sportsSeasonId)?.get(resultRow.finalPosition) ?? 1;
-        earnedPoints = calculateSharedPlacementPoints(
-          resultRow.finalPosition,
-          tiedParticipants,
-          scoringRules
-        );
-      } else {
-        earnedPoints = calculateFantasyPoints(resultRow.finalPosition, scoringRules);
-      }
+      earnedPoints = calculatePickPoints(resultRow.finalPosition, pattern, scoringRules, {
+        bracketTemplateId: bracketTemplateMap.get(sportsSeasonId) ?? null,
+        tiedParticipants: lookupSharedPlacementCount(
+          qpSharedPlacementCounts,
+          sportsSeasonId,
+          resultRow.finalPosition
+        ),
+      });
     }
 
     const arr = result.get(sportsSeasonId) ?? [];

app/models/participant-result.ts

@@ -1,4 +1,4 @@
-import { eq, and } from "drizzle-orm";
+import { eq, and, inArray } from "drizzle-orm";
 import { database } from "~/database/context";
 import * as schema from "~/database/schema";
 
@@ -76,6 +76,57 @@ export async function findParticipantResultsBySportsSeasonId(
   });
 }
 
+/**
+ * How many participants share each scoring placement, per sports season.
+ *
+ * Returns sportsSeasonId → (finalPosition → count). Used to split a tied
+ * placement's points across the tied participants (see calculatePickPoints).
+ *
+ * The count spans EVERY result in the sports season, not just drafted ones — a
+ * golfer tied for 8th with an undrafted player still only earns half the 8th
+ * place points, so narrowing this query to drafted participants would silently
+ * over-award. Positions <= 0 (no scoring placement) are excluded.
+ *
+ * Callers that look up a position with no entry should treat it as 1 (no tie).
+ */
+export async function getSharedPlacementCounts(
+  sportsSeasonIds: string[],
+  providedDb?: ReturnType<typeof database>
+): Promise<Map<string, Map<number, number>>> {
+  const counts = new Map<string, Map<number, number>>();
+  if (sportsSeasonIds.length === 0) return counts;
+
+  const db = providedDb || database();
+  const rows = await db.query.seasonParticipantResults.findMany({
+    where: inArray(schema.seasonParticipantResults.sportsSeasonId, sportsSeasonIds),
+    columns: { sportsSeasonId: true, finalPosition: true },
+  });
+
+  for (const row of rows) {
+    if (row.finalPosition === null || row.finalPosition <= 0) continue;
+    let bySeason = counts.get(row.sportsSeasonId);
+    if (!bySeason) {
+      bySeason = new Map<number, number>();
+      counts.set(row.sportsSeasonId, bySeason);
+    }
+    bySeason.set(row.finalPosition, (bySeason.get(row.finalPosition) ?? 0) + 1);
+  }
+
+  return counts;
+}
+
+/**
+ * Convenience lookup over getSharedPlacementCounts' result. Missing entries mean
+ * no other participant shares the placement, so the tie count is 1.
+ */
+export function lookupSharedPlacementCount(
+  counts: Map<string, Map<number, number>>,
+  sportsSeasonId: string,
+  finalPosition: number
+): number {
+  return counts.get(sportsSeasonId)?.get(finalPosition) ?? 1;
+}
+
 export async function updateParticipantResult(
   id: string,
   data: Partial<NewParticipantResult>

app/models/scoring-calculator.ts

@@ -1,12 +1,8 @@
 import { database } from "~/database/context";
 import * as schema from "~/database/schema";
 import { eq, and, inArray } from "drizzle-orm";
-import {
-  getScoringRules,
-  calculateFantasyPoints,
-  calculateBracketPoints,
-  calculateSharedPlacementPoints,
-} from "./scoring-rules";
+import { getScoringRules, calculatePickPoints, type ScoringRules } from "./scoring-rules";
+import { getSharedPlacementCounts } from "./participant-result";
 import { getSeasonResults } from "./participant-season-result";
 import { updateProbabilitiesAfterResult } from "~/services/probability-updater";
 import { sendStandingsUpdateNotification, type ScoredMatch, type EliminatedTeam } from "~/services/discord";
@@ -16,7 +12,10 @@ import { doesLoserAdvance, findPlayoffMatchesByEventId } from "~/models/playoff-
 import { getUserDisplayName } from "~/models/user";
 import { findDiscordIdsByUserIds } from "~/models/account";
 import { createDailySnapshot } from "~/models/standings";
-import { recordMatchScoreEvents } from "~/models/team-score-events";
+import {
+  recordMatchScoreEvents,
+  recordFinalPlacementScoreEvents,
+} from "~/models/team-score-events";
 import { logger } from "~/lib/logger";
 import { getEventResults } from "./event-result";
 import {
@@ -595,6 +594,11 @@ async function upsertParticipantResult(
   }
 }
 
+/**
+ * Lazily populates `cache` (sportsSeasonId → placement → count) one sports
+ * season at a time, then reads the tie count for `finalPosition`. The counting
+ * itself lives in getSharedPlacementCounts so every screen shares one definition.
+ */
 async function getSharedPlacementCount(
   sportsSeasonId: string,
   finalPosition: number,
@@ -602,17 +606,8 @@ async function getSharedPlacementCount(
   cache: Map<string, Map<number, number>>
 ): Promise<number> {
   if (!cache.has(sportsSeasonId)) {
-    const results = await db.query.seasonParticipantResults.findMany({
-      where: eq(schema.seasonParticipantResults.sportsSeasonId, sportsSeasonId),
-      columns: { finalPosition: true },
-    });
-    const counts = new Map<number, number>();
-    for (const result of results) {
-      if (result.finalPosition !== null && result.finalPosition > 0) {
-        counts.set(result.finalPosition, (counts.get(result.finalPosition) ?? 0) + 1);
-      }
-    }
-    cache.set(sportsSeasonId, counts);
+    const counts = await getSharedPlacementCounts([sportsSeasonId], db);
+    cache.set(sportsSeasonId, counts.get(sportsSeasonId) ?? new Map<number, number>());
   }
 
   return cache.get(sportsSeasonId)?.get(finalPosition) ?? 1;
@@ -1178,6 +1173,13 @@ export async function finalizeQualifyingPoints(
     })
     .where(eq(schema.sportsSeasons.id, sportsSeasonId));
 
+  // Ledger the placement points so this season shows up in Recent Scores —
+  // QP seasons award everything here, with no per-match deltas to record.
+  await recordFinalPlacementScoreEvents(
+    { sportsSeasonId, eventName: "Final Standings" },
+    db
+  );
+
   // Trigger recalculation for all affected leagues
   await recalculateAffectedLeagues(sportsSeasonId, db, { eventName: "Final Standings" });
 
@@ -1281,6 +1283,13 @@ export async function processSeasonStandings(
     }
   }
 
+  // Ledger the placement points — season_standings has the same one-shot award
+  // shape as qualifying_points and was likewise absent from Recent Scores.
+  await recordFinalPlacementScoreEvents(
+    { sportsSeasonId, eventName: "Season Complete" },
+    db
+  );
+
   // Trigger recalculation for all affected leagues
   await recalculateAffectedLeagues(sportsSeasonId, db, { eventName: "Season Complete" });
 
@@ -1376,27 +1385,22 @@ export async function calculateTeamScore(
     const result = pick.participant.results[0];
 
     if (result && result.finalPosition !== null && result.finalPosition > 0) {
-      const isBracket = pick.participant.sportsSeason?.scoringPattern === "playoff_bracket";
-      const isQualifyingPoints = pick.participant.sportsSeason?.scoringPattern === "qualifying_points";
-      let points: number;
-      if (isBracket) {
-        const templateId = await getBracketTemplate(pick.participant.sportsSeasonId);
-        points = calculateBracketPoints(result.finalPosition, scoringRules, templateId);
-      } else if (isQualifyingPoints) {
-        const tiedParticipants = await getSharedPlacementCount(
+      const pattern = pick.participant.sportsSeason?.scoringPattern;
+      const points = calculatePickPoints(result.finalPosition, pattern, scoringRules, {
+        bracketTemplateId:
+          pattern === "playoff_bracket"
+            ? await getBracketTemplate(pick.participant.sportsSeasonId)
+            : null,
+        tiedParticipants:
+          pattern === "qualifying_points"
+            ? await getSharedPlacementCount(
                 pick.participant.sportsSeasonId,
                 result.finalPosition,
                 db,
                 sharedPlacementCountCache
-        );
-        points = calculateSharedPlacementPoints(
-          result.finalPosition,
-          tiedParticipants,
-          scoringRules
-        );
-      } else {
-        points = calculateFantasyPoints(result.finalPosition, scoringRules);
-      }
+              )
+            : 1,
+      });
       totalPoints += points;
 
       // All participants with a valid position count toward the placement tiebreaker,
@@ -1483,57 +1487,52 @@ export async function calculateTeamProjectedScore(
     return templateId;
   }
 
+  // Points for one pick's placement. Identical for finalized results and for the
+  // provisional floor of a still-alive participant — only what we do with the
+  // number afterwards differs. `rules` re-binds the null-checked scoringRules
+  // because the hoisted declaration below cannot see that narrowing.
+  const rules: ScoringRules = scoringRules;
+  async function pointsForPick(
+    sportsSeasonId: string,
+    pattern: string | null | undefined,
+    finalPosition: number
+  ): Promise<number> {
+    return calculatePickPoints(finalPosition, pattern, rules, {
+      bracketTemplateId:
+        pattern === "playoff_bracket" ? await getBracketTemplate(sportsSeasonId) : null,
+      tiedParticipants:
+        pattern === "qualifying_points"
+          ? await getSharedPlacementCount(
+              sportsSeasonId,
+              finalPosition,
+              db,
+              sharedPlacementCountCache
+            )
+          : 1,
+    });
+  }
+
   // Separate finished vs unfinished participants
   for (const pick of picks) {
     const result = pick.participant.results[0];
-    const isBracket = pick.participant.sportsSeason?.scoringPattern === "playoff_bracket";
-    const isQualifyingPoints = pick.participant.sportsSeason?.scoringPattern === "qualifying_points";
+    const pattern = pick.participant.sportsSeason?.scoringPattern;
 
     if (result && result.finalPosition !== null && !result.isPartialScore) {
-      // Participant is fully finalized — use bracket-averaged points
-      let points: number;
-      if (isBracket) {
-        const templateId = await getBracketTemplate(pick.participant.sportsSeasonId);
-        points = calculateBracketPoints(result.finalPosition, scoringRules, templateId);
-      } else if (isQualifyingPoints) {
-        const tiedParticipants = await getSharedPlacementCount(
+      // Participant is fully finalized
+      actualPoints += await pointsForPick(
         pick.participant.sportsSeasonId,
-          result.finalPosition,
-          db,
-          sharedPlacementCountCache
+        pattern,
+        result.finalPosition
       );
-        points = calculateSharedPlacementPoints(
-          result.finalPosition,
-          tiedParticipants,
-          scoringRules
-        );
-      } else {
-        points = calculateFantasyPoints(result.finalPosition, scoringRules);
-      }
-      actualPoints += points;
       participantsFinished++;
     } else if (result && result.finalPosition !== null && result.isPartialScore) {
       // Still alive with a provisional floor — count floor as actual, EV for projection.
       // Note: NOT incremented in participantsFinished; these participants are still competing.
-      const templateId = isBracket ? await getBracketTemplate(pick.participant.sportsSeasonId) : null;
-      let floorPoints: number;
-      if (isBracket) {
-        floorPoints = calculateBracketPoints(result.finalPosition, scoringRules, templateId);
-      } else if (isQualifyingPoints) {
-        const tiedParticipants = await getSharedPlacementCount(
+      const floorPoints = await pointsForPick(
         pick.participant.sportsSeasonId,
-          result.finalPosition,
-          db,
-          sharedPlacementCountCache
+        pattern,
+        result.finalPosition
       );
-        floorPoints = calculateSharedPlacementPoints(
-          result.finalPosition,
-          tiedParticipants,
-          scoringRules
-        );
-      } else {
-        floorPoints = calculateFantasyPoints(result.finalPosition, scoringRules);
-      }
       actualPoints += floorPoints;
       // EV already accounts for their full projected value, so subtract floor to avoid
       // double-counting when we do actualPoints + evSum below

app/models/scoring-rules.ts

@@ -90,6 +90,13 @@ export function calculateFantasyPoints(
  *
  * Example: 4 teams lose in quarterfinals, they share positions 5-8
  * Average = (25 + 25 + 15 + 15) / 4 = 20 points each
+ *
+ * The result is rounded to the nearest whole point, matching the published rule
+ * on the /rules page: "the points for all tied positions are combined and split
+ * equally among them, rounded to the nearest whole point". That page's own
+ * example rounds down — a three-way tie for 6th–8th is (25 + 15 + 15) / 3 =
+ * 18.33 → 18 — so this is nearest, not ceiling. Season point values are integer
+ * columns, so this averaging is the only place fractional points can arise.
  */
 export function calculateAveragedPoints(
   placements: number[],
@@ -101,7 +108,9 @@ export function calculateAveragedPoints(
     return sum + calculateFantasyPoints(placement, rules);
   }, 0);
 
-  return total / placements.length;
+  // Epsilon guard mirrors roundQualifyingPoints — keeps values that are exactly
+  // representable-adjacent (e.g. 18.499999999999996) from rounding the wrong way.
+  return Math.round(total / placements.length + Number.EPSILON);
 }
 
 /**
@@ -190,6 +199,43 @@ export function calculateBracketPoints(
   return 0;
 }
 
+/**
+ * Fantasy points earned by a single drafted participant, for any scoring pattern.
+ *
+ * This is the ONE place the bracket / qualifying_points / default cascade lives.
+ * It previously existed as a hand-rolled if/else at six call sites, two of which
+ * were missing the qualifying_points arm entirely — that divergence is what made
+ * a tied golfer worth 15 points on the team page and draft board but 7.5 in the
+ * standings. Every caller must route through here.
+ *
+ * @param finalPosition - Placement in the sports season (1-8 scores, 0 = none).
+ * @param scoringPattern - The sports season's scoringPattern column.
+ * @param rules - The fantasy season's point values.
+ * @param opts.bracketTemplateId - Required for playoff_bracket to pick the right
+ *   tier structure (e.g. AFL/LLWS split 5–8 into two pairs).
+ * @param opts.tiedParticipants - Required for qualifying_points: how many
+ *   participants share this finalPosition across the WHOLE sports season, not
+ *   just the ones that were drafted. Defaults to 1 (no tie).
+ */
+export function calculatePickPoints(
+  finalPosition: number,
+  scoringPattern: string | null | undefined,
+  rules: ScoringRules,
+  opts?: { bracketTemplateId?: string | null; tiedParticipants?: number }
+): number {
+  if (scoringPattern === "playoff_bracket") {
+    return calculateBracketPoints(finalPosition, rules, opts?.bracketTemplateId ?? null);
+  }
+  if (scoringPattern === "qualifying_points") {
+    return calculateSharedPlacementPoints(
+      finalPosition,
+      opts?.tiedParticipants ?? 1,
+      rules
+    );
+  }
+  return calculateFantasyPoints(finalPosition, rules);
+}
+
 /**
  * Get points array as a simple ordered list [1st, 2nd, 3rd, ..., 8th]
  * Useful for display purposes

app/models/standings.ts

@@ -2,7 +2,11 @@ import { database } from "~/database/context";
 import * as schema from "~/database/schema";
 import { eq, and } from "drizzle-orm";
 import type { TeamStanding, TeamStandingSnapshot, TeamStandingWithChange } from "~/types/standings";
-import { calculateBracketPoints, calculateFantasyPoints } from "~/models/scoring-rules";
+import { calculatePickPoints } from "~/models/scoring-rules";
+import {
+  getSharedPlacementCounts,
+  lookupSharedPlacementCount,
+} from "~/models/participant-result";
 import { logger } from "~/lib/logger";
 import { getParticipantEV } from "./participant-expected-value";
 import { calculateEV } from "~/services/ev-calculator";
@@ -157,6 +161,14 @@ export async function getTeamScoreBreakdown(
     pointsFor8th: season.pointsFor8th,
   };
 
+  // Tie counts for qualifying_points picks, so a golfer tied for 8th is worth the
+  // split award here exactly as it is in calculateTeamScore. Counted across every
+  // participant in the sports season — an undrafted tie partner still halves it.
+  const sharedPlacementCounts = await getSharedPlacementCounts(
+    [...new Set(picks.map((p) => p.participant.sportsSeasonId))],
+    db
+  );
+
   // Cache bracket template IDs per sports season (same approach as calculateTeamScore)
   const bracketTemplateCache = new Map<string, string | null>();
   async function getBracketTemplate(sportsSeasonId: string): Promise<string | null> {
@@ -176,7 +188,7 @@ export async function getTeamScoreBreakdown(
   const pickBreakdown = await Promise.all(
     picks.map(async (pick) => {
       const result = pick.participant.results[0];
-      const isBracket = pick.participant.sportsSeason.scoringPattern === "playoff_bracket";
+      const pattern = pick.participant.sportsSeason.scoringPattern;
       let points = 0;
       let projectedPoints: number | null = null;
 
@@ -199,13 +211,17 @@ export async function getTeamScoreBreakdown(
       };
 
       if (result && result.finalPosition !== null && result.finalPosition > 0) {
-        // Calculate points using bracket-averaged scoring for bracket sports
-        if (isBracket) {
-          const templateId = await getBracketTemplate(pick.participant.sportsSeasonId);
-          points = calculateBracketPoints(result.finalPosition, scoringRules, templateId);
-        } else {
-          points = calculateFantasyPoints(result.finalPosition, scoringRules);
-        }
+        points = calculatePickPoints(result.finalPosition, pattern, scoringRules, {
+          bracketTemplateId:
+            pattern === "playoff_bracket"
+              ? await getBracketTemplate(pick.participant.sportsSeasonId)
+              : null,
+          tiedParticipants: lookupSharedPlacementCount(
+            sharedPlacementCounts,
+            pick.participant.sportsSeasonId,
+            result.finalPosition
+          ),
+        });
 
         if (result.isPartialScore) {
           // Still alive with a floor position — use EV for projected since they can advance

app/models/team-score-events.ts

@@ -1,7 +1,15 @@
 import { database } from "~/database/context";
 import * as schema from "~/database/schema";
 import { eq, inArray, desc, sql, and } from "drizzle-orm";
-import { calculateBracketPoints, type ScoringRules } from "~/models/scoring-rules";
+import {
+  calculateBracketPoints,
+  calculatePickPoints,
+  type ScoringRules,
+} from "~/models/scoring-rules";
+import {
+  getSharedPlacementCounts,
+  lookupSharedPlacementCount,
+} from "~/models/participant-result";
 import { findParticipantNamesByIds } from "~/models/season-participant";
 import { logger } from "~/lib/logger";
 
@@ -190,6 +198,174 @@ export async function recordMatchScoreEvents(
   }
 }
 
+/**
+ * Records ledger rows for a sports season whose final placements have just been
+ * assigned — qualifying_points (golf, tennis, CS2) and season_standings (F1).
+ *
+ * These patterns award all of their points in one step at finalization, so they
+ * have no per-match deltas and were never written to team_score_events at all:
+ * recordMatchScoreEvents is bracket-only and fires from match processing. The
+ * effect was that golf results silently never appeared in Recent Scores.
+ *
+ * One row per team (matching the event-level unique index), carrying that team's
+ * summed award and every participant that contributed. Points come from
+ * calculatePickPoints, so a tied golfer contributes the same split award the
+ * standings show.
+ *
+ * `eventId` anchors the row and MUST resolve to a real scoring event: the
+ * event-level unique index is (teamId, seasonId, scoringEventId) and Postgres
+ * treats NULLs as distinct, so a null anchor would silently duplicate rows on
+ * every re-finalization instead of upserting. If no anchor can be found the
+ * ledger write is skipped rather than risking duplicates — standings are
+ * unaffected either way.
+ */
+export async function recordFinalPlacementScoreEvents(
+  params: {
+    sportsSeasonId: string;
+    eventId?: string | null;
+    eventName?: string | null;
+  },
+  providedDb?: ReturnType<typeof database>
+): Promise<void> {
+  const db = providedDb || database();
+
+  const sportsSeason = await db.query.sportsSeasons.findFirst({
+    where: eq(schema.sportsSeasons.id, params.sportsSeasonId),
+    columns: { id: true, scoringPattern: true },
+    with: { sport: { columns: { name: true } } },
+  });
+  if (!sportsSeason) return;
+
+  // Resolve the anchor event: the caller's, else the most recently completed
+  // event for this sports season.
+  let eventId = params.eventId ?? null;
+  let eventName = params.eventName ?? null;
+  if (!eventId) {
+    const anchor = await db.query.scoringEvents.findFirst({
+      where: eq(schema.scoringEvents.sportsSeasonId, params.sportsSeasonId),
+      columns: { id: true, name: true },
+      orderBy: [desc(schema.scoringEvents.completedAt), desc(schema.scoringEvents.createdAt)],
+    });
+    if (!anchor) {
+      logger.warn(
+        `[TeamScoreEvents] No scoring event to anchor final placements for sports season ${params.sportsSeasonId}; skipping ledger write`
+      );
+      return;
+    }
+    eventId = anchor.id;
+    eventName = eventName ?? anchor.name;
+  }
+  if (!eventId) return;
+
+  // Scoring placements for this sports season, plus the tie spans they imply.
+  const results = await db.query.seasonParticipantResults.findMany({
+    where: eq(schema.seasonParticipantResults.sportsSeasonId, params.sportsSeasonId),
+    columns: { participantId: true, finalPosition: true },
+  });
+  const positionByParticipantId = new Map<string, number>();
+  for (const row of results) {
+    if (row.finalPosition !== null && row.finalPosition > 0) {
+      positionByParticipantId.set(row.participantId, row.finalPosition);
+    }
+  }
+  if (positionByParticipantId.size === 0) return;
+
+  const sharedPlacementCounts = await getSharedPlacementCounts([params.sportsSeasonId], db);
+
+  const seasonSports = await db.query.seasonSports.findMany({
+    where: eq(schema.seasonSports.sportsSeasonId, params.sportsSeasonId),
+    columns: { seasonId: true },
+  });
+  if (seasonSports.length === 0) return;
+  const seasonIds = seasonSports.map((ss) => ss.seasonId);
+
+  const picks = await db.query.draftPicks.findMany({
+    where: and(
+      inArray(schema.draftPicks.seasonId, seasonIds),
+      inArray(schema.draftPicks.participantId, [...positionByParticipantId.keys()])
+    ),
+    columns: { teamId: true, seasonId: true, participantId: true },
+  });
+  if (picks.length === 0) return;
+
+  const seasonRows = await db.query.seasons.findMany({
+    where: inArray(schema.seasons.id, seasonIds),
+    columns: {
+      id: true,
+      pointsFor1st: true, pointsFor2nd: true, pointsFor3rd: true,
+      pointsFor4th: true, pointsFor5th: true, pointsFor6th: true,
+      pointsFor7th: true, pointsFor8th: true,
+    },
+  });
+  const rulesBySeasonId = new Map<string, ScoringRules>(
+    seasonRows.map((s) => [s.id, {
+      pointsFor1st: s.pointsFor1st, pointsFor2nd: s.pointsFor2nd,
+      pointsFor3rd: s.pointsFor3rd, pointsFor4th: s.pointsFor4th,
+      pointsFor5th: s.pointsFor5th, pointsFor6th: s.pointsFor6th,
+      pointsFor7th: s.pointsFor7th, pointsFor8th: s.pointsFor8th,
+    }])
+  );
+
+  // Accumulate per (season, team) — the ledger's event-level grain.
+  const byTeam = new Map<
+    string,
+    { teamId: string; seasonId: string; points: number; participantIds: string[] }
+  >();
+
+  for (const pick of picks) {
+    const rules = rulesBySeasonId.get(pick.seasonId);
+    const finalPosition = positionByParticipantId.get(pick.participantId);
+    if (!rules || finalPosition === undefined) continue;
+
+    const points = calculatePickPoints(
+      finalPosition,
+      sportsSeason.scoringPattern,
+      rules,
+      {
+        tiedParticipants: lookupSharedPlacementCount(
+          sharedPlacementCounts,
+          params.sportsSeasonId,
+          finalPosition
+        ),
+      }
+    );
+    if (points <= 0) continue;
+
+    const key = `${pick.seasonId}:${pick.teamId}`;
+    const entry = byTeam.get(key) ?? {
+      teamId: pick.teamId,
+      seasonId: pick.seasonId,
+      points: 0,
+      participantIds: [],
+    };
+    entry.points += points;
+    entry.participantIds.push(pick.participantId);
+    byTeam.set(key, entry);
+  }
+
+  for (const entry of byTeam.values()) {
+    try {
+      await recordTeamScoreEvent(
+        {
+          teamId: entry.teamId,
+          seasonId: entry.seasonId,
+          scoringEventId: eventId,
+          scoringEventName: eventName,
+          sportName: sportsSeason.sport?.name ?? null,
+          participantIds: entry.participantIds,
+          pointsDelta: entry.points,
+        },
+        db
+      );
+    } catch (err) {
+      logger.error(
+        `[TeamScoreEvents] Failed to record final placement score event for team ${entry.teamId} sports season ${params.sportsSeasonId}:`,
+        err
+      );
+    }
+  }
+}
+
 export interface TeamScoreEventEntry {
   id: string;
   teamId: string;

app/routes/leagues/$leagueId.draft-board.$seasonId.tsx

@@ -12,6 +12,7 @@ import { Button } from "~/components/ui/button";
 import { ArrowLeft } from "lucide-react";
 import logomarkUrl from "../../../public/logomark.svg?url";
 import { computeCoronaStates } from "~/lib/corona-states";
+import { getSharedPlacementCounts } from "~/models/participant-result";
 import type { CoronaState } from "~/components/draft/DraftPickCell";
 import type { Route } from "./+types/$leagueId.draft-board.$seasonId";
 
@@ -157,12 +158,19 @@ export async function loader(args: Route.LoaderArgs) {
       pointsFor8th: season.pointsFor8th,
     };
 
+    // Counted across every participant in each sports season, not just the
+    // drafted ones above — an undrafted player tied for the same placement still
+    // halves the award.
+    const sharedPlacementCountsBySportsSeason =
+      await getSharedPlacementCounts(sportsSeasonIds, db);
+
     coronaStates = computeCoronaStates(
       draftPicks,
       resultByParticipant,
       bracketTemplateBySportsSeason,
       scoringRules,
       season.pointsFor1st,
+      sharedPlacementCountsBySportsSeason,
     );
   }
 

scripts/backfill-rounded-tie-splits.ts

@@ -0,0 +1,130 @@
+/**
+ * Backfill: recalculate standings after tie splits became whole points, and
+ * ledger the final placements that were never recorded.
+ *
+ * Two stored artifacts went stale when the tie-split math was unified:
+ *
+ *  1. team_standings.total_points / actual_points / projected_points hold
+ *     pre-rounding values (a team carrying a golfer tied for 8th sits at
+ *     217.50 rather than 218). Standings are only rewritten when something
+ *     re-triggers a recalculation, so leagues whose seasons already finished
+ *     would keep the old figures indefinitely.
+ *
+ *  2. qualifying_points and season_standings sports were never written to
+ *     team_score_events at all, so their results are missing from Recent
+ *     Scores. recordFinalPlacementScoreEvents now writes them at
+ *     finalization, but only for seasons finalized from here on.
+ *
+ * This re-runs both for every already-finalized sports season. Ledger rows are
+ * upserted on (team, season, scoring event), so re-running rewrites rather than
+ * duplicates. Standings recalculation is likewise a pure recompute from
+ * participant results.
+ *
+ * Safe to re-run. Validate on a DB snapshot first. Reads DATABASE_URL.
+ *
+ *   npx tsx scripts/backfill-rounded-tie-splits.ts          # apply
+ *   npx tsx scripts/backfill-rounded-tie-splits.ts --dry    # report only
+ */
+
+import { drizzle } from "drizzle-orm/postgres-js";
+import postgres from "postgres";
+import { inArray } from "drizzle-orm";
+import * as schema from "../database/schema.js";
+import { DatabaseContext, database } from "../database/context.js";
+import { recalculateStandings } from "../app/models/scoring-calculator.js";
+import { recordFinalPlacementScoreEvents } from "../app/models/team-score-events.js";
+
+const DRY = process.argv.includes("--dry");
+const log = (...a: unknown[]) => console.log(...a);
+
+/** Patterns that award all of their points at once, with no per-match deltas. */
+type ScoringPattern = NonNullable<
+  (typeof schema.sportsSeasons.$inferSelect)["scoringPattern"]
+>;
+const ONE_SHOT_PATTERNS: ScoringPattern[] = ["qualifying_points", "season_standings"];
+
+async function run() {
+  const db = database();
+
+  // Ledger pass: one-shot sports seasons that already have final placements.
+  const oneShotSeasons = await db.query.sportsSeasons.findMany({
+    where: inArray(schema.sportsSeasons.scoringPattern, ONE_SHOT_PATTERNS),
+    columns: { id: true, name: true, scoringPattern: true },
+  });
+
+  const finalized: typeof oneShotSeasons = [];
+  for (const ss of oneShotSeasons) {
+    const anyPlacement = await db.query.seasonParticipantResults.findFirst({
+      where: (r, { eq, and, gt }) =>
+        and(eq(r.sportsSeasonId, ss.id), gt(r.finalPosition, 0)),
+      columns: { id: true },
+    });
+    if (anyPlacement) finalized.push(ss);
+  }
+
+  log(
+    `One-shot sports seasons with final placements: ${finalized.length} of ${oneShotSeasons.length}`
+  );
+
+  let ledgered = 0;
+  let ledgerFailed = 0;
+  for (const ss of finalized) {
+    if (DRY) {
+      log(`  (dry) ${ss.name} [${ss.scoringPattern}] — would write ledger rows`);
+      continue;
+    }
+    try {
+      await recordFinalPlacementScoreEvents({ sportsSeasonId: ss.id }, db);
+      ledgered += 1;
+      log(`  ${ss.name} [${ss.scoringPattern}]: ledgered`);
+    } catch (e) {
+      ledgerFailed += 1;
+      log(`  ! ${ss.name}: ${(e as Error).message}`);
+    }
+  }
+
+  // Standings pass: every fantasy season, so rounded awards land in stored
+  // totals. Cheap enough to run unconditionally and avoids trying to guess
+  // which seasons contain a tie.
+  const seasons = await db.query.seasons.findMany({ columns: { id: true, year: true } });
+  log(`\nFantasy seasons to recalculate: ${seasons.length}`);
+
+  let recalculated = 0;
+  let recalcFailed = 0;
+  for (const season of seasons) {
+    if (DRY) continue;
+    try {
+      await recalculateStandings(season.id, db);
+      recalculated += 1;
+    } catch (e) {
+      recalcFailed += 1;
+      log(`  ! season ${season.id} (${season.year}): ${(e as Error).message}`);
+    }
+  }
+
+  log(
+    `\nDone${DRY ? " (dry run — no writes)" : ""}. ` +
+      `ledgered=${ledgered} (failed ${ledgerFailed}), ` +
+      `standings recalculated=${recalculated} (failed ${recalcFailed}).`
+  );
+}
+
+async function main() {
+  const dbUrl = process.env.DATABASE_URL;
+  if (!dbUrl) {
+    console.error("ERROR: DATABASE_URL is required");
+    process.exit(1);
+  }
+  const client = postgres(dbUrl, { max: 1 });
+  const db = drizzle(client, { schema });
+  try {
+    await DatabaseContext.run(db, run);
+  } finally {
+    await client.end();
+  }
+}
+
+main().catch((e) => {
+  console.error(e);
+  process.exit(1);
+});