X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.cpp;h=0ee25bca1b421a159e60071e2d0d482fb3903b91;hp=93867f0f0b20859f97598d094a54dedbb0d5f171;hb=f434cea287d3fae6b719816df0aa89a3d8579fa9;hpb=216972186ea861c99d3a7bccabfff842ef87933c diff --git a/src/search.cpp b/src/search.cpp index 93867f0f..0ee25bca 100644 --- a/src/search.cpp +++ b/src/search.cpp @@ -632,7 +632,7 @@ namespace { // Null move dynamic reduction based on depth and value Depth R = 3 * ONE_PLY - + depth / (2 * ONE_PLY) + + depth / 4 + int(eval - beta) / PawnValueMg * ONE_PLY; pos.do_null_move(st);