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Better check evasion move sorting

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Use in addition the counter move history table for sorting quiet
check evasion moves in main and quiecence search. Also rename
"contHistory" to "continuationHistory" while there.

STC:
LLR: 2.96 (-2.94,2.94) [0.00,5.00]
Total: 73284 W: 16433 L: 15938 D: 40913
http://tests.stockfishchess.org/tests/view/5b4f526e0ebc5902bdb7a401

LTC:
LLR: 2.96 (-2.94,2.94) [0.00,5.00]
Total: 12135 W: 2171 L: 1997 D: 7967
http://tests.stockfishchess.org/tests/view/5b4fc0ef0ebc5902bdb7ae0e

Closes https://github.com/official-stockfish/Stockfish/pull/1685

Bench 4817583
This commit is contained in:
Stefan Geschwentner
2018-07-19 18:26:05 +02:00
committed by Stéphane Nicolet
parent 3913726d1c
commit 12e79be910
6 changed files with 30 additions and 21 deletions
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4
src/thread.cpp
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@@ -61,11 +61,11 @@ void Thread::clear() {
mainHistory.fill(0);
captureHistory.fill(0);
for (auto& to : contHistory)
for (auto& to : continuationHistory)
for (auto& h : to)
h.get()->fill(0);
contHistory[NO_PIECE][0].get()->fill(Search::CounterMovePruneThreshold - 1);
continuationHistory[NO_PIECE][0].get()->fill(Search::CounterMovePruneThreshold - 1);
}
/// Thread::start_searching() wakes up the thread that will start the search