Syzygy endgame tablebases
White to move
Black to move
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White is losing with DTZ 120
Bd2+
Loss with DTZ 119
Nf5+
Loss with DTZ 3
Ba4
Loss with DTZ 1
Ba6
Loss with DTZ 1
Bc4
Loss with DTZ 1
Bc6
Loss with DTZ 1
Bd3
Loss with DTZ 1
Bd7
Loss with DTZ 1
Be2
Loss with DTZ 1
Bf1
Loss with DTZ 1
Kb1
Loss with DTZ 1
Kb2
Loss with DTZ 1
Kb3
Loss with DTZ 1
Kc1
Loss with DTZ 1
Kc3
Loss with DTZ 1
Kd1
Loss with DTZ 1
Kd2
Loss with DTZ 1
Kd3
Loss with DTZ 1
Ba5
Loss with DTZ 1
Bb4
Loss with DTZ 1
Bc3
Loss with DTZ 1
Bf2
Loss with DTZ 1
Ne2
Loss with DTZ 1
Ne4
Loss with DTZ 1
Nf1
Loss with DTZ 1
Nh5
Loss with DTZ 1
Bxe8
Zeroing
Nxh1
Zeroing
This is a blessed loss.
Mate can be forced, but a draw can be achieved under the fifty-move rule.
KBBNvKQQ.pgn
Histogram: KBBN losing vs. KQQ (log scale)
⋮
Longest KBBNvKQQ phases
KBBN winning with DTZ 13
KBBN losing with DTZ 121 (frustrated)
KBBN losing with DTZ 26
KBBNvKQQ statistics
2,022,742,486 (0.5%)
17,569,338,324 (4.3%)
2,812,728,164 (0.7%)
382,348,292,970 (94.5%)
KBBNvKQQ.json
(?)