brackt/app/components/scoring/__tests__
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Fix final rankings for double-elimination brackets
Review of the llws_20 bracket turned up two display bugs in the shared
ranking code, both triggered by the template setting loserFeedsInto on
every winners-bracket round.

findConsolationRound took the FIRST round with loserFeedsInto and
treated its target as a third-place game. That is sound for fifa_48,
whose only such round is the Semifinals, but llws_20 uses loserFeedsInto
to route losers into the elimination bracket — so "Elimination Round 1"
was being read as the consolation game. Its four matches were then
placed as exact positions inside the Opening Round tier, corrupting the
final rankings list. A consolation round now has to be terminal: its
winner plays no further game, which is precisely what lets its result
split two exact positions.

The rank walk also advanced by a round's match count on the assumption
that every match places its loser. That holds in single elimination and
must be kept for undecided rounds — four semifinalists occupy positions
1-4 whether or not the games have been played — but a winners-bracket
loss places nobody, since the loser drops into the elimination bracket
and is ranked by whatever knocks them out later. Those rounds consumed
positions they never filled, so a 20-team bracket ranked its last teams
T23. Rounds whose losers are placed later now consume nothing, leaving
LLWS at 1, T2, 3, 4, T5, T7, T9, T13, T17 for the full 20-team field.
Single-elimination templates are unaffected; afl_10's sub-8th ranks were
inflated the same way and are now correct too.

Also from review: the llws_20 participant labels were 21-24 characters
in an 80px fixed-width admin column and would have wrapped to three
lines across all 20 rows. Shortened them and widened the column.

Tests play a full 20-team tournament through the real advancement map
and assert the resulting rank labels.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01EAxqBVzfmKJe6WQ6VF9guj
2026-08-03 18:33:22 +00:00
..
PlayoffBracket.test.tsx Fix final rankings for double-elimination brackets 2026-08-03 18:33:22 +00:00