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🐛 Fix queen promotion moves ordering #571

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merged 5 commits into from Jan 7, 2024

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@eduherminio eduherminio commented Jan 1, 2024

🐛 Fix queen promotion moves ordering, placing them (again) before good captures instead of bad ones.

1c9119c

Elo   | 0.46 +- 6.41 (95%)
SPRT  | 8.0+0.08s Threads=1 Hash=32MB
LLR   | -0.15 (-2.25, 2.89) [0.00, 3.00]
Games | N: 6834 W: 2077 L: 2068 D: 2689
Penta | [244, 793, 1335, 800, 245]
https://openbench.lynx-chess.com/test/55/

7df5293

Elo   | -1.90 +- 3.23 (95%)
SPRT  | 8.0+0.08s Threads=1 Hash=32MB
LLR   | -0.14 (-2.25, 2.89) [-5.00, 0.00]
Games | N: 26908 W: 8115 L: 8262 D: 10531
Penta | [987, 3186, 5228, 3093, 960]
https://openbench.lynx-chess.com/test/56/

40+0.4

Score of Lynx-bugfix-move-ordering-queen-promotions-2328-win-x64 vs Lynx 2327 - main: 2215 - 2149 - 3027  [0.504] 7391
...      Lynx-bugfix-move-ordering-queen-promotions-2328-win-x64 playing White: 1632 - 547 - 1517  [0.647] 3696
...      Lynx-bugfix-move-ordering-queen-promotions-2328-win-x64 playing Black: 583 - 1602 - 1510  [0.362] 3695
...      White vs Black: 3234 - 1130 - 3027  [0.642] 7391
Elo difference: 3.1 +/- 6.1, LOS: 84.1 %, DrawRatio: 41.0 %
SPRT: llr 2.91 (100.5%), lbound -2.25, ubound 2.89 - H1 was accepted

@eduherminio eduherminio marked this pull request as ready for review January 7, 2024 15:38
@eduherminio eduherminio enabled auto-merge (squash) January 7, 2024 15:39
@eduherminio eduherminio merged commit 1123958 into main Jan 7, 2024
21 checks passed
@eduherminio eduherminio deleted the bugfix/move-ordering-queen-promotions branch January 7, 2024 15:42
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