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Maximum aspiration delta of 24

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After 9080 games
1430 - 1342 - 6308  ELO +3 (+- 2.9)

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2011-02-10 21:09:20 +01:00
parent 3abff79df3
commit 141410f177
1 changed files with 1 additions and 1 deletions
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2
src/search.cpp
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@ -657,7 +657,7 @@ namespace {
int prevDelta1 = bestValues[iteration - 1] - bestValues[iteration - 2];
int prevDelta2 = bestValues[iteration - 2] - bestValues[iteration - 3];
aspirationDelta = Min(Max(abs(prevDelta1) + abs(prevDelta2) / 2, 16), 64);
aspirationDelta = Min(Max(abs(prevDelta1) + abs(prevDelta2) / 2, 16), 24);
aspirationDelta = (aspirationDelta + 7) / 8 * 8; // Round to match grainSize
alpha = Max(bestValues[iteration - 1] - aspirationDelta, -VALUE_INFINITE);