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Update reverse move stats
For a good quiet non-pawn move consider the reverse move as bad and update the main history with a negative stat bonus. STC: LLR: 2.95 (-2.94,2.94) [0.50,4.50] Total: 19292 W: 4401 L: 4141 D: 10750 http://tests.stockfishchess.org/tests/view/5d7751d50ebc594e7864973c LTC: LLR: 2.95 (-2.94,2.94) [0.00,3.50] Total: 111952 W: 18762 L: 18275 D: 74915 http://tests.stockfishchess.org/tests/view/5d7771cf0ebc594e786498fa Closes https://github.com/official-stockfish/Stockfish/pull/2294 Bench: 3914238
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committed by
Stéphane Nicolet
parent
8fec883471
commit
61f44ce578
@@ -442,6 +442,10 @@ constexpr Move make_move(Square from, Square to) {
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return Move((from << 6) + to);
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}
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constexpr Move reverse_move(Move m) {
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return make_move(to_sq(m), from_sq(m));
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}
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template<MoveType T>
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constexpr Move make(Square from, Square to, PieceType pt = KNIGHT) {
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return Move(T + ((pt - KNIGHT) << 12) + (from << 6) + to);
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