Value nnue = NNUE::evaluate(pos, true, &nnueComplexity);
- // Blend nnue complexity with (semi)classical complexity
- nnueComplexity = 25 * (nnueComplexity + abs(psq - nnue)) / 64;
-
- optimism += optimism * nnueComplexity / 256;
+ // Blend optimism with nnue complexity and (semi)classical complexity
+ optimism += 25 * optimism * (nnueComplexity + abs(psq - nnue)) / 16384;
v = (nnue * (945 + npm) + optimism * (174 + npm)) / 1024;
}