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Fix crash when passing a mate/stalemate position

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Both Tablebases::filter_root_moves() and
extract_ponder_from_tt(9 were unable to handle
a mate/stalemate position.

Spotted and reported by Dann Corbit.

Added some mate/stalemate positions to bench so
to early catch this regression in the future.

No functional change.
This commit is contained in:
Marco Costalba
2016-09-24 07:30:37 +02:00
parent 28240d375c
commit 8662bdfa12
3 changed files with 13 additions and 2 deletions
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9
src/benchmark.cpp
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@@ -76,7 +76,14 @@ const vector<string> Defaults = {
"8/8/3P3k/8/1p6/8/1P6/1K3n2 b - - 0 1", // Nd2 - draw
// 7-man positions
"8/R7/2q5/8/6k1/8/1P5p/K6R w - - 0 124" // Draw
"8/R7/2q5/8/6k1/8/1P5p/K6R w - - 0 124", // Draw
// Mate and stalemate positions
"8/8/8/8/8/6k1/6p1/6K1 w - -",
"5k2/5P2/5K2/8/8/8/8/8 b - -",
"8/8/8/8/8/4k3/4p3/4K3 w - -",
"8/8/8/8/8/5K2/8/3Q1k2 b - -",
"7k/7P/6K1/8/3B4/8/8/8 b - -"
};
} // namespace