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Simplify away SEE verification

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After 4 simplificatons over PR#4453 the idea does not yield significant
improvement anymore. Maybe also
https://tests.stockfishchess.org/tests/view/640c88092644b62c3394c1c5 was
a fluke.

Passed non-regression bounds:

STC:
https://tests.stockfishchess.org/tests/view/64705389c079b6583146d873
LLR: 2.93 (-2.94,2.94) <-1.75,0.25>
Total: 131936 W: 35040 L: 34930 D: 61966
Ptnml(0-2): 336, 14559, 36035, 14735, 303

LTC:
https://tests.stockfishchess.org/tests/view/6471a2ade549d9cf2fb213cd
LLR: 2.95 (-2.94,2.94) <-1.75,0.25>
Total: 407700 W: 109999 L: 110164 D: 187537
Ptnml(0-2): 279, 39913, 123689, 39632, 337

closes https://github.com/official-stockfish/Stockfish/pull/4595

bench: 2675974
This commit is contained in:
Guenther Demetz
2023-05-31 11:48:18 +02:00
committed by Joost VandeVondele
parent 6cf8d938c5
commit 5930c0defb
3 changed files with 8 additions and 30 deletions
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1
src/position.h
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@@ -143,7 +143,6 @@ public:
void undo_null_move();
// Static Exchange Evaluation
bool see_ge(Move m, Bitboard& occupied, Value threshold = VALUE_ZERO) const;
bool see_ge(Move m, Value threshold = VALUE_ZERO) const;
// Accessing hash keys