Syzygy endgame tablebases
White to move
Black to move
JavaScript required for interactive board view.
Black is losing with DTZ 4
Be3+
Loss with DTZ 3
Ba5
Loss with DTZ 1
Ba7
Loss with DTZ 1
Bc5
Loss with DTZ 1
Bc7
Loss with DTZ 1
Bd4
Loss with DTZ 1
Bd8
Loss with DTZ 1
Bf2
Loss with DTZ 1
Bg1
Loss with DTZ 1
Kb3
Loss with DTZ 1
Kb4
Loss with DTZ 1
Kc4
Loss with DTZ 1
Ba6
Loss with DTZ 1
Bb5
Loss with DTZ 1
Bc4
Loss with DTZ 1
Bd3
Loss with DTZ 1
Bf3
Loss with DTZ 1
Bg4
Loss with DTZ 1
Bh5
Loss with DTZ 1
Bxd1
Zeroing
Bxf1
Zeroing
KQQRvKBB.pgn
lichess.org
Histogram: KQQR winning vs. KBB (log scale)
⋮
Longest KQQRvKBB phases
KQQR winning with DTZ 16
KQQR winning with DTZ 105 (frustrated)
KQQR losing with DTZ 7
KQQRvKBB statistics (unique positions)
White wins:
390,097,822,730 (99.8%)
Frustrated white wins:
3,697,892 (0.0%)
Draws:
633,912,194 (0.2%)
Black wins:
32,145,084 (0.0%)
KQQRvKBB.json
(?)