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Chess engine: Stockfish 21120718 NNUE (Windows and Linux)

on


Stockfish - UCI chess engine, compiled by Michael Chaly
Rating CEDR=3375 (1 place)

Timestamp: 1638897306
Introduce post-lmr extensions

This idea is somewhat similar to extentions in LMR but has a different flavour. If result of LMR was really good - thus exceeded alpha by some pretty big given margin, we can extend move after LMR in full depth search with 0 window.
The idea is that this move is probably a fail high with somewhat of a big probability so extending it makes a lot of sense

passed STC
https://tests.stockfishchess.org/tests/view/61ad45ea56fcf33bce7d74b7
LLR: 2.94 (-2.94,2.94) <0.00,2.50>
Total: 59680 W: 15531 L: 15215 D: 28934 Elo +1.84
Ptnml(0-2): 193, 6711, 15734, 6991, 211

passed LTC
https://tests.stockfishchess.org/tests/view/61ad9ff356fcf33bce7d8646
LLR: 2.95 (-2.94,2.94) <0.50,3.00>
Total: 59104 W: 15321 L: 14992 D: 28791 Elo +1.93
Ptnml(0-2): 53, 6023, 17065, 6364, 47
bench 4881329

Stockfish 21120718 NNUE download

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