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Chess engine: Stockfish 20040215


Stockfish - UCI chess engine, compiled by Vizvezdenec
Timestamp: 1585833076

Increase reduction for captures.

The idea behind this patch is that if static eval is really bad so capturing of current piece on spot will still produce a position with an eval much lower than alpha then our best chance is to create some kind of king attack. So captures without check are mostly worse than captures with check and can be reduced more.

passed STC
https://tests.stockfishchess.org/tests/view/5e8514b44411759d9d098543
LLR: 2.94 (-2.94,2.94) {-0.50,1.50}
Total: 46196 W: 9039 L: 8781 D: 28376 Elo +1.94
Ptnml(0-2): 750, 5412, 10628, 5446, 862

passed LTC
https://tests.stockfishchess.org/tests/view/5e8530134411759d9d09854c
LLR: 2.94 (-2.94,2.94) {0.25,1.75}
Total: 23462 W: 3228 L: 2988 D: 17246 Elo +3.55
Ptnml(0-2): 186, 2125, 6849, 2405, 166

bench 4742598

Stockfish 20040215 download

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