Adjust scale param higher

[stockfish] / src / evaluate.cpp

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index 9061a38421fb75ae22be58f8f77940455a17c781..9ed9e8e3079f32171c662114e80d334d7f6de8cb 100644 (file)
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -1100,14 +1100,14 @@ Value Eval::evaluate(const Position& pos) {
   if (useNNUE && !useClassical)
   {
        Value nnue     = NNUE::evaluate(pos, true);     // NNUE
-       int scale      = 1014 + 21 * pos.non_pawn_material() / 1024;
+       int scale      = 1080 + 110 * pos.non_pawn_material() / 5120;
        Color stm      = pos.side_to_move();
        Value optimism = pos.this_thread()->optimism[stm];
        Value psq      = (stm == WHITE ? 1 : -1) * eg_value(pos.psq_score());
-       int complexity = 35 * abs(nnue - psq) / 256;
+       int complexity = (278 * abs(nnue - psq)) / 256;
 
-       optimism = optimism * (32 + complexity) / 32;
-       v = (nnue * scale + optimism * (scale - 846)) / 1024;
+       optimism = optimism * (251 + complexity) / 256;
+       v = (nnue * scale + optimism * (scale - 852)) / 1024;
 
        if (pos.is_chess960())
            v += fix_FRC(pos);