else
{
int nnueComplexity;
- int scale = 1064 + 106 * pos.non_pawn_material() / 5120;
+ int scale = 1076 + 96 * pos.non_pawn_material() / 5120;
Color stm = pos.side_to_move();
Value optimism = pos.this_thread()->optimism[stm];
Value nnue = NNUE::evaluate(pos, true, &nnueComplexity);
// Blend nnue complexity with (semi)classical complexity
- nnueComplexity = ( 416 * nnueComplexity
- + 424 * abs(psq - nnue)
+ nnueComplexity = ( 412 * nnueComplexity
+ + 428 * abs(psq - nnue)
+ (optimism > 0 ? int(optimism) * int(psq - nnue) : 0)
) / 1024;
if (complexity)
*complexity = nnueComplexity;
- optimism = optimism * (269 + nnueComplexity) / 256;
- v = (nnue * scale + optimism * (scale - 754)) / 1024;
+ optimism = optimism * (278 + nnueComplexity) / 256;
+ v = (nnue * scale + optimism * (scale - 755)) / 1024;
}
// Damp down the evaluation linearly when shuffling
- v = v * (195 - pos.rule50_count()) / 211;
+ v = v * (197 - pos.rule50_count()) / 214;
// Guarantee evaluation does not hit the tablebase range
v = std::clamp(v, VALUE_TB_LOSS_IN_MAX_PLY + 1, VALUE_TB_WIN_IN_MAX_PLY - 1);