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Implement Last Seconds Noise (LSN) filtering

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When an engine is in deep trouble at few
seconds from time limit then giveup without
fighting anymore.

This is used to reduce "lucky draws" and time pressure
blunders noises that can obfuscate results during tests
blitz games (typical one minute games).

Goal of this technique is to reduce number of matches
needed to reliably prove then an engine A is stronger
then an opponent B.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2008-10-13 15:19:17 +02:00
parent 4fa5dd4db5
commit d8268024a9
2 changed files with 31 additions and 3 deletions
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3
src/ucioption.cpp
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@@ -126,6 +126,9 @@ namespace {
o.push_back(Option("Futility Margin 2", 300, 0, 1000));
o.push_back(Option("Maximum Razoring Depth", 3, 0, 4));
o.push_back(Option("Razoring Margin", 300, 150, 600));
o.push_back(Option("LSN filtering", true));
o.push_back(Option("LSN Time Margin (sec)", 4, 1, 10));
o.push_back(Option("LSN Value Margin", 200, 100, 600));
o.push_back(Option("Randomness", 0, 0, 10));
o.push_back(Option("Minimum Split Depth", 4, 4, 7));
o.push_back(Option("Maximum Number of Threads per Split Point", 5, 4, 8));