Syzygy endgame tablebases
White to move
Black to move
JavaScript required for interactive board view.
Black is losing with DTZ 120
Bf3
Loss with DTZ 119
Kf6
Loss with DTZ 1
Kg5
Loss with DTZ 1
Kh6
Loss with DTZ 1
Bd1
Loss with DTZ 1
Be2
Loss with DTZ 1
Bg4
Loss with DTZ 1
This is a blessed loss.
Mate can be forced, but a draw can be achieved under the fifty-move rule.
KNNPvKB.pgn
lichess.org
Histogram: KNNP winning vs. KB (log scale)
Longest KNNPvKB phases
KNNP winning with DTZ 100
KNNP winning with DTZ 120 (frustrated)
KNNP losing with DTZ 13
KNNPvKB statistics (unique positions)
White wins:
20,414,532,060 (66.5%)
Frustrated white wins:
158,154 (0.0%)
Draws:
10,295,705,214 (33.5%)
Black wins:
513,208 (0.0%)
KNNPvKB.json
(?)