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Tweak again futility margings

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Lower margins near the leafs, higher at high depth.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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Marco Costalba
2008-12-25 20:08:45 +01:00
parent 96a32eec69
commit dae4e7df07
1 changed files with 2 additions and 2 deletions
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4
src/search.cpp
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@@ -165,8 +165,8 @@ namespace {
// Margins for futility pruning in the quiescence search, and at frontier
// and near frontier nodes
Value FutilityMarginQS = Value(0x80);
Value FutilityMargins[6] = { Value(0x120), Value(0x220), Value(0x250),
Value(0x280), Value(0x320), Value(0x360) };
Value FutilityMargins[6] = { Value(0x100), Value(0x200), Value(0x250),
Value(0x2A0), Value(0x340), Value(0x3A0) };
// Razoring
Depth RazorDepth = 4*OnePly;