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beta - alpha > 50

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MJZ1977 committed Apr 15, 2019
1 parent c07a0a2 commit 19f4db93bb3cad22af398e48f478346ed10cdfb2
Showing with 1 addition and 1 deletion.
  1. +1 −1 src/search.cpp
@@ -1007,7 +1007,7 @@ namespace {
r -= ONE_PLY;

// If PvNode and (beta - alpha) is too broad, decrease reduction to avoid instabilities
if (beta - alpha > Value(72))
if (beta - alpha > Value(50))
r -= ONE_PLY;

// Decrease reduction if opponent's move count is high (~10 Elo)

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