The idea is that since we are mixing NNUE and classical evals matching their magnitudes closer allows for better comparisons.
STC https://tests.stockfishchess.org/tests/view/
5f35a65411a9b1a1dbf18e2b
LLR: 2.94 (-2.94,2.94) {-0.50,1.50}
Total: 9840 W: 1150 L: 1027 D: 7663
Ptnml(0-2): 49, 772, 3175, 855, 69
LTC https://tests.stockfishchess.org/tests/view/
5f35bcbe11a9b1a1dbf18e47
LLR: 2.93 (-2.94,2.94) {0.25,1.75}
Total: 44424 W: 2492 L: 2294 D: 39638
Ptnml(0-2): 42, 2015, 17915, 2183, 57
also corrects the location to clamp the evaluation (non-function on bench).
closes https://github.com/official-stockfish/Stockfish/pull/3003
bench:
3905447