diff --git a/src/search.cpp b/src/search.cpp index 3529627f..f7f62b23 100644 --- a/src/search.cpp +++ b/src/search.cpp @@ -1241,14 +1241,14 @@ namespace { else if ( !value_is_mate(beta) && approximateEval < beta - RazorMargin && depth < RazorDepth - && (RazorAtDepthOne || depth >= 2*OnePly) + && (RazorAtDepthOne || depth > OnePly) && ttMove == MOVE_NONE && !pos.has_pawn_on_7th(pos.side_to_move())) { Value v = qsearch(pos, ss, beta-1, beta, Depth(0), ply, threadID); if ( (v < beta - RazorMargin - RazorMargin / 4) - || (depth < 3*OnePly && v < beta - RazorMargin) - || (depth < 2*OnePly && v < beta - RazorMargin / 2)) + || (depth <= 2*OnePly && v < beta - RazorMargin) + || (depth <= OnePly && v < beta - RazorMargin / 2)) return v; }