Syzygy endgame tablebases
White to move
Black to move
JavaScript required for interactive board view.
Black is winning with DTZ 123
Bf4+
Win with DTZ 122
Kd4
Draw
Ba3+
Draw
Bb4
Draw
Bb8
Draw
Bc5
Draw
Be5
Draw
Bg3
Draw
Bh2
Draw
Bd5
Draw
Be4
Draw
Kb3
Loss with DTZ 1
Kb4
Loss with DTZ 1
Kc4
Loss with DTZ 1
Kd3
Loss with DTZ 1
Bc7
Loss with DTZ 1
Be7
Loss with DTZ 1
Bf8
Loss with DTZ 1
Ba8
Loss with DTZ 1
Bb7
Loss with DTZ 1
Bc6
Loss with DTZ 1
Bf1
Loss with DTZ 1
Bf3
Loss with DTZ 1
Bh1
Loss with DTZ 1
Bh3
Loss with DTZ 1
This is a cursed win.
Mate can be forced, but a draw can be achieved under the fifty-move rule.
KNNNvKBB.pgn
lichess.org
Histogram: KNNN losing vs. KBB (log scale)
⋮
Longest KNNNvKBB phases
KNNN winning with DTZ 59
KNNN winning with DTZ 115 (frustrated)
KNNN losing with DTZ 123 (frustrated)
KNNN losing with DTZ 27
KNNNvKBB statistics (unique positions)
White wins:
55,773,704,286 (10.4%)
Frustrated white wins:
84,086,400 (0.0%)
Draws:
474,718,977,510 (88.4%)
Frustrated black wins:
4,548,996,936 (0.8%)
Black wins:
2,092,574,856 (0.4%)
KNNNvKBB.json
(?)