Syzygy endgame tablebases
White to move
Black to move
JavaScript required for interactive board view.
White is losing with DTZ 4
Nd6+
Loss with DTZ 3
Ka7
Loss with DTZ 1
Na5
Loss with DTZ 1
Nc5
Loss with DTZ 1
Nd8
Loss with DTZ 1
Ba1
Loss with DTZ 1
Ba5
Loss with DTZ 1
Bb2
Loss with DTZ 1
Bb4
Loss with DTZ 1
Bd2
Loss with DTZ 1
Bd4
Loss with DTZ 1
Be1
Loss with DTZ 1
Be5
Loss with DTZ 1
Bf6
Loss with DTZ 1
Bg7
Loss with DTZ 1
Bc6
Loss with DTZ 1
Bd1
Loss with DTZ 1
Bd5
Loss with DTZ 1
Be2
Loss with DTZ 1
Be4
Loss with DTZ 1
Bg2
Loss with DTZ 1
Bg4+
Loss with DTZ 1
Bh1
Loss with DTZ 1
Bh5
Loss with DTZ 1
Bxh8
Zeroing
KBBNvKQN.pgn
lichess.org
Histogram: KBBN losing vs. KQN (log scale)
Longest KBBNvKQN phases
KBBN winning with DTZ 25
KBBN winning with DTZ 119 (frustrated)
KBBN losing with DTZ 154 (frustrated)
KBBN losing with DTZ 100
KBBNvKQN statistics (unique positions)
White wins:
70,518,652,689 (15.1%)
Frustrated white wins:
1,804,775,530 (0.4%)
Draws:
42,476,828,585 (9.1%)
Frustrated black wins:
1,362,293,542 (0.3%)
Black wins:
349,839,240,014 (75.1%)
KBBNvKQN.json
(?)