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Chess engine: Stockfish 21051510-Vizvezdenec

on

Stockfish - UCI chess engine, compiled by Vizvezdenec
Rating JCER=3144

Timestamp: 1621067379
Simplification for countermoves based pruning

Simplify away two extra conditions in countermoves based pruning. These conditions (both of them) were introduced quite a long time ago via speculative LTCs and seem to no longer bring any benefit.

passed STC
https://tests.stockfishchess.org/tests/view/609e81f35085663412d08f31
LLR: 2.96 (-2.94,2.94) <-2.50,0.50>
Total: 28488 W: 2487 L: 2382 D: 23619 Elo +1.28
Ptnml(0-2): 87, 1919, 10123, 2032, 83

passed LTC
https://tests.stockfishchess.org/tests/view/609e9c085085663412d08f59
LLR: 2.95 (-2.94,2.94) <-2.50,0.50>
Total: 33176 W: 1219 L: 1155 D: 30802 Elo +0.67
Ptnml(0-2): 13, 1036, 14423, 1106, 10
Bench: 4749514

Stockfish 21051510-Vizvezdenec and NNUE download

 

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