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Remove HistoryStats

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STC:
LLR: 3.44 (-2.94,2.94) [-3.00,1.00]
Total: 120831 W: 21572 L: 21594 D: 77665

LTC:
LLR: 2.96 (-2.94,2.94) [-3.00,1.00]
Total: 26565 W: 3519 L: 3406 D: 19640

bench 5920493
This commit is contained in:
lucasart
2017-01-09 18:57:34 +08:00
committed by Marco Costalba
parent d9dd520896
commit e0504ab876
4 changed files with 15 additions and 26 deletions
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11
src/movepick.cpp
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@@ -140,7 +140,6 @@ void MovePicker::score<CAPTURES>() {
template<>
void MovePicker::score<QUIETS>() {
const HistoryStats& history = pos.this_thread()->history;
const FromToStats& fromTo = pos.this_thread()->fromTo;
const CounterMoveStats* cmh = (ss-1)->counterMoves;
@@ -150,8 +149,7 @@ void MovePicker::score<QUIETS>() {
Color c = pos.side_to_move();
for (auto& m : *this)
m.value = history[pos.moved_piece(m)][to_sq(m)]
+ (cmh ? (*cmh)[pos.moved_piece(m)][to_sq(m)] : VALUE_ZERO)
m.value = (cmh ? (*cmh)[pos.moved_piece(m)][to_sq(m)] : VALUE_ZERO)
+ (fmh ? (*fmh)[pos.moved_piece(m)][to_sq(m)] : VALUE_ZERO)
+ (fmh2 ? (*fmh2)[pos.moved_piece(m)][to_sq(m)] : VALUE_ZERO)
+ fromTo.get(c, m);
@@ -159,17 +157,16 @@ void MovePicker::score<QUIETS>() {
template<>
void MovePicker::score<EVASIONS>() {
// Try captures ordered by MVV/LVA, then non-captures ordered by history value
const HistoryStats& history = pos.this_thread()->history;
// Try captures ordered by MVV/LVA, then non-captures ordered by stats heuristics
const FromToStats& fromTo = pos.this_thread()->fromTo;
Color c = pos.side_to_move();
for (auto& m : *this)
if (pos.capture(m))
m.value = PieceValue[MG][pos.piece_on(to_sq(m))]
- Value(type_of(pos.moved_piece(m))) + HistoryStats::Max;
- Value(type_of(pos.moved_piece(m))) + FromToStats::Max;
else
m.value = history[pos.moved_piece(m)][to_sq(m)] + fromTo.get(c, m);
m.value = fromTo.get(c, m);
}