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Chess engine: Stockfish 20121407 and NNUE

on

Stockfish - UCI chess engine, compiled by Vizvezdenec
Rating JCER=3296

Timestamp: 1607928722
Increase reduction in case of stable best move

The idea of this patch is pretty simple - we already do more reductions for non-PV and root nodes in case of stable best move for depth > 10. This patch makes us do so if root depth if > 10 instead, which is logical since best move changes (thus instability of it) is counted at root, so it makes a lot of sense to use depth of the root.

passed STC
https://tests.stockfishchess.org/tests/view/5fd643271ac16912018885c5
LLR: 2.94 (-2.94,2.94) {-0.25,1.25}
Total: 13232 W: 1308 L: 1169 D: 10755 Elo +3.65
Ptnml(0-2): 39, 935, 4535, 1062, 45

passed LTC
https://tests.stockfishchess.org/tests/view/5fd68db11ac16912018885f0
LLR: 2.96 (-2.94,2.94) {0.25,1.25}
Total: 14024 W: 565 L: 463 D: 12996 Elo +2.53
Ptnml(0-2): 3, 423, 6062, 517, 7
Bench: 4050630

Stockfish 20121407 and NNUE download

 

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