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tt depth take2. Bench: 3175948

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miguel-l committed Jan 7, 2019
1 parent e1d2d72 commit e7d2dd4f9187d9438fd5eb724e8ccb6d5c27b01c
Showing with 1 addition and 1 deletion.
  1. +1 −1 src/search.cpp
@@ -940,7 +940,7 @@ namespace {
&& !excludedMove // Avoid recursive singular search
&& ttValue != VALUE_NONE
&& (tte->bound() & BOUND_LOWER)
&& tte->depth() >= depth + cutNode - 3 * ONE_PLY
&& tte->depth() >= depth - cutNode - 3 * ONE_PLY
&& pos.legal(move))
{
Value singularBeta = std::max(ttValue - 2 * depth / ONE_PLY, -VALUE_MATE);

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