Quantize eval to multiples of 16

[stockfish] / src / evaluate.cpp

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index b173cd3bb32b60fee4b7905996d93f83301651e1..036b93a933c501c0eaa15069f331175600da34bd 100644 (file)
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -855,6 +855,9 @@ namespace {
         Trace::add(MOBILITY, mobility[WHITE], mobility[BLACK]);
     }
 
+    // Evaluation grain
+    v = (v / 16) * 16;
+
     // Side to move point of view
     v = (pos.side_to_move() == WHITE ? v : -v) + Tempo;