Syzygy endgame tablebases
White to move
Black to move
JavaScript required for interactive board view.
Black is losing with DTZ 4
Bd3+
Loss with DTZ 3
Ba2+
Loss with DTZ 1
Ba6
Loss with DTZ 1
Bb3
Loss with DTZ 1
Bb5
Loss with DTZ 1
Bd5
Loss with DTZ 1
Be2
Loss with DTZ 1
Be6
Loss with DTZ 1
Bf1
Loss with DTZ 1
Bf7
Loss with DTZ 1
Bg8
Loss with DTZ 1
Kd3
Loss with DTZ 1
Ke1
Loss with DTZ 1
Ke3
Loss with DTZ 1
KQBBPvKB.pgn
lichess.org
Histogram: KQBBP winning vs. KB (log scale)
Longest KQBBPvKB phases
KQBBP winning with DTZ 12
KQBBP losing with DTZ 5
KQBBPvKB statistics (unique positions)
White wins:
1,411,024,246,022 (97.4%)
Draws:
37,248,293,390 (2.6%)
Black wins:
39,969,412 (0.0%)
KQBBPvKB.json
(?)