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Tweak. Bench: 3205614.

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Stefano80 committed Mar 3, 2019
1 parent 7577a8d commit eab03770b2367b5e161d63b1788231661b5b388f
Showing with 1 addition and 1 deletion.
  1. +1 −1 src/search.cpp
@@ -1116,7 +1116,7 @@ namespace {

trainPerc = true;

int perceptronScore = perceptronAccuracy * 1000 * prediction;
int perceptronScore = perceptronAccuracy * 1000 * prediction - 2000;

// Decrease/increase reduction for moves with a good/bad history (~30 Elo)
r -= (ss->statScore + perceptronScore)/ 20000 * ONE_PLY;

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