// History and stats update bonus, based on depth
int stat_bonus(Depth depth) {
int d = depth / ONE_PLY;
- return d > 17 ? 0 : 32 * d * d + 64 * d - 64;
+ return d > 17 ? 0 : 33 * d * d + 66 * d - 66;
}
// Skill structure is used to implement strength limit