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Simplify internal iterative reductions #5634

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Simplify internal iterative reductions #5634

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2 changes: 1 addition & 1 deletion src/search.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -850,7 +850,7 @@ Value Search::Worker::search(
// For cutNodes, if depth is high enough, decrease depth by 2 if there is no ttMove,
// or by 1 if there is a ttMove with an upper bound.
if (cutNode && depth >= 7 && (!ttData.move || ttData.bound == BOUND_UPPER))
depth -= 1 + !ttData.move;
depth -= 2;

// Step 11. ProbCut (~10 Elo)
// If we have a good enough capture (or queen promotion) and a reduced search
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