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Try NMP only on non pv nodes

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stefiosif
2025-02-10 19:53:39 +02:00
parent a69c697892
commit 2b94b7af79
1 changed files with 3 additions and 1 deletions
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4
src/search/negamax.rs
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@@ -54,7 +54,9 @@ pub fn negamax(
} }
} }
if plies != 0 && !in_check && depth >= 3 && do_nmp && game.board.non_pawn_materials() > 0 { let non_pv = beta == alpha + 1;
if non_pv && plies != 0 && !in_check && depth >= 3 && do_nmp && game.board.non_pawn_materials() > 0 {
game.make_null_move(); game.make_null_move();
let score = -negamax( let score = -negamax(
game, game,