template<typename T>
struct Stats {
- static const Value Max = Value(250);
+ static const Value Max = Value(1<<28);
const T* operator[](Piece pc) const { return table[pc]; }
T* operator[](Piece pc) { return table[pc]; }
void update(Piece pc, Square to, Value v) {
- if (abs(table[pc][to] + v) < Max)
- table[pc][to] += v;
+ table[pc][to] -= table[pc][to] * std::min(abs(int(v)), 512) / 512;
+ table[pc][to] += int(v) * 64;
}
private:
MovePicker& operator=(const MovePicker&) = delete;
MovePicker(const Position&, Move, Depth, const HistoryStats&, const CounterMovesHistoryStats&, Square);
- MovePicker(const Position&, Move, const HistoryStats&, const CounterMovesHistoryStats&, PieceType);
+ MovePicker(const Position&, Move, const HistoryStats&, const CounterMovesHistoryStats&, Value);
MovePicker(const Position&, Move, Depth, const HistoryStats&, const CounterMovesHistoryStats&, Move, Search::Stack*);
template<bool SpNode> Move next_move();
Move ttMove;
ExtMove killers[3];
Square recaptureSquare;
- Value captureThreshold;
+ Value threshold;
int stage;
- ExtMove *endQuiets, *endBadCaptures;
+ ExtMove *endQuiets, *endBadCaptures = moves + MAX_MOVES - 1;
ExtMove moves[MAX_MOVES], *cur = moves, *endMoves = moves;
};