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⚖️ Incremental additional eval #1422

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@eduherminio eduherminio commented Jan 29, 2025

More cleanup

Test  | E589EA86B63C81B0
Elo   | -123.76 +- 20.33 (95%)
SPRT  | 8.0+0.08s Threads=1 Hash=32MB
LLR   | -2.32 (-2.25, 2.89) [0.00, 3.00]
Games | 664: +104 -331 =229
Penta | [69, 128, 99, 33, 3]
https://openbench.lynx-chess.com/test/1286/

Recalculate opposideSidePawnAttacks on pawn capture

Test  | eval/incremental-additional-eval
Elo   | -107.72 +- 22.49 (95%)
SPRT  | 8.0+0.08s Threads=1 Hash=32MB
LLR   | -2.28 (-2.25, 2.89) [0.00, 5.00]
Games | 416: +62 -187 =167
Penta | [31, 80, 82, 13, 2]
https://openbench.lynx-chess.com/test/1282/

Refactoring (after Remove PawnAdditionalEvaluation from pawnTable)

Test  | eval/incremental-additional-eval
Elo   | -291.90 +- 38.55 (95%)
SPRT  | 8.0+0.08s Threads=1 Hash=32MB
LLR   | -2.35 (-2.25, 2.89) [0.00, 3.00]
Games | 468: +32 -353 =83
Penta | [134, 61, 33, 4, 2]
https://openbench.lynx-chess.com/test/1285/

Make _isIncrementalEval false on pawn moves

Test  | eval/incremental-additional-eval
Elo   | -35.73 +- 11.21 (95%)
SPRT  | 8.0+0.08s Threads=1 Hash=32MB
LLR   | -2.31 (-2.25, 2.89) [0.00, 3.00]
Games | 1776: +429 -611 =736
Penta | [81, 249, 362, 163, 33]
https://openbench.lynx-chess.com/test/1287/

Fix pawn attacks recalculation

Test  | eval/incremental-additional-eval
Elo   | -46.10 +- 12.99 (95%)
SPRT  | 8.0+0.08s Threads=1 Hash=32MB
LLR   | -2.26 (-2.25, 2.89) [0.00, 3.00]
Games | 1410: +341 -527 =542
Penta | [79, 199, 283, 117, 27]
https://openbench.lynx-chess.com/test/1295/

Fix pawn captures

Test  | eval/incremental-additional-eval
Elo   | -34.46 +- 10.92 (95%)
SPRT  | 8.0+0.08s Threads=1 Hash=32MB
LLR   | -2.29 (-2.25, 2.89) [0.00, 3.00]
Games | 1770: +421 -596 =753
Penta | [71, 256, 363, 167, 28]
https://openbench.lynx-chess.com/test/1298/

Remove pawn additional eval from incremental accumulator

Test  | eval/incremental-additional-eval
Elo   | -25.50 +- 9.62 (95%)
SPRT  | 8.0+0.08s Threads=1 Hash=32MB
LLR   | -2.28 (-2.25, 2.89) [0.00, 3.00]
Games | 2430: +612 -790 =1028
Penta | [90, 357, 464, 249, 55]
https://openbench.lynx-chess.com/test/1299/

@eduherminio eduherminio changed the base branch from main to eval/incremental-phase January 29, 2025 19:24
Base automatically changed from eval/incremental-phase to main February 8, 2025 01:35
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