- // Adjust contempt based on current bestValue
- ct = Options["Contempt"] * PawnValueEg / 100 // From centipawns
- + (bestValue > 500 ? 50: // Dynamic contempt
- bestValue < -500 ? -50:
- bestValue / 10);
+ ct = Options["Contempt"] * PawnValueEg / 100; // From centipawns
+
+ // Adjust contempt based on current bestValue (dynamic contempt)
+ int sign = (bestValue > 0) - (bestValue < 0);
+ ct += bestValue > 500 ? 70 :
+ bestValue < -500 ? -70 :
+ bestValue / 10 + sign * int(std::round(3.22 * log(1 + abs(bestValue))));