Extensive test series on tweaking history limit and bonus
formula. At the end this was the best.
After 11959 games:
Mod vs Orig 2087 - 1934 - 7938 ELO +4 (+- 3.7) LOS 92%
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
Value gain(Piece p, Square to) const;
void update_gain(Piece p, Square to, Value g);
- static const Value MaxValue = Value(1 << 29); // To avoid an overflow
+ static const Value MaxValue = Value(2000);
private:
Value history[16][64]; // [piece][to_square]