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Don't update TT at excluded move ply

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STC:
LLR: 2.96 (-2.94,2.94) [0.00,5.00]
Total: 38906 W: 7125 L: 6835 D: 24946

LTC:
LLR: 2.95 (-2.94,2.94) [0.00,5.00]
Total: 28600 W: 3752 L: 3543 D: 21305

Bench:  6861050

Closes #1048
This commit is contained in:
VoyagerOne
2017-04-02 20:31:52 -07:00
committed by Joona Kiiski
parent 06eba14dc9
commit ebe021f6a5
1 changed files with 5 additions and 4 deletions
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9
src/search.cpp
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@@ -1125,10 +1125,11 @@ moves_loop: // When in check search starts from here
&& cm_ok)
update_cm_stats(ss-1, pos.piece_on(prevSq), prevSq, stat_bonus(depth));
tte->save(posKey, value_to_tt(bestValue, ss->ply),
bestValue >= beta ? BOUND_LOWER :
PvNode && bestMove ? BOUND_EXACT : BOUND_UPPER,
depth, bestMove, ss->staticEval, TT.generation());
if(!excludedMove)
tte->save(posKey, value_to_tt(bestValue, ss->ply),
bestValue >= beta ? BOUND_LOWER :
PvNode && bestMove ? BOUND_EXACT : BOUND_UPPER,
depth, bestMove, ss->staticEval, TT.generation());
assert(bestValue > -VALUE_INFINITE && bestValue < VALUE_INFINITE);