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Standardize stat penalty

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STC:
LLR: 2.95 (-2.94,2.94) [-3.00,1.00]
Total: 90631 W: 16325 L: 16323 D: 57983

LTC:
LLR: 2.96 (-2.94,2.94) [-3.00,1.00]
Total: 97679 W: 12779 L: 12759 D: 72141

Bench: 6340591

Closes #1053
This commit is contained in:
VoyagerOne
2017-04-07 17:02:31 -07:00
committed by Joona Kiiski
parent ebe021f6a5
commit 35b77b120e
1 changed files with 3 additions and 3 deletions
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6
src/search.cpp
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@@ -97,8 +97,8 @@ namespace {
Move best = MOVE_NONE; Move best = MOVE_NONE;
}; };
// EasyMoveManager structure is used to detect an 'easy move'. When the PV is // EasyMoveManager structure is used to detect an 'easy move'. When the PV is stable
// stable across multiple search iterations, we can quickly return the best move. // across multiple search iterations, we can quickly return the best move.
struct EasyMoveManager { struct EasyMoveManager {
void clear() { void clear() {
@@ -635,7 +635,7 @@ namespace {
// Penalty for a quiet ttMove that fails low // Penalty for a quiet ttMove that fails low
else if (!pos.capture_or_promotion(ttMove)) else if (!pos.capture_or_promotion(ttMove))
{ {
Value penalty = -stat_bonus(depth + ONE_PLY); Value penalty = -stat_bonus(depth);
thisThread->history.update(pos.side_to_move(), ttMove, penalty); thisThread->history.update(pos.side_to_move(), ttMove, penalty);
update_cm_stats(ss, pos.moved_piece(ttMove), to_sq(ttMove), penalty); update_cm_stats(ss, pos.moved_piece(ttMove), to_sq(ttMove), penalty);
} }