Syzygy endgame tablebases
White to move
Black to move
JavaScript required for interactive board view.
Black is losing with DTZ 112
Na2+
Loss with DTZ 111
Ne1
Loss with DTZ 3
Ne5
Loss with DTZ 3
Nf2
Loss with DTZ 3
Nb3
Loss with DTZ 1
Nb2
Loss with DTZ 1
Nc5
Loss with DTZ 1
Nf4
Loss with DTZ 1
Kd1
Loss with DTZ 1
Ke1
Loss with DTZ 1
Kf2
Loss with DTZ 1
Kf3
Loss with DTZ 1
Nxb4
Zeroing
Kxf1
Zeroing
This is a blessed loss.
Mate can be forced, but a draw can be achieved under the fifty-move rule.
KQRNvKNN.pgn
lichess.org
Histogram: KQRN winning vs. KNN (log scale)
⋮
Longest KQRNvKNN phases
KQRN winning with DTZ 20
KQRN winning with DTZ 113 (frustrated)
KQRN losing with DTZ 5
KQRNvKNN statistics (unique positions)
White wins:
451,624,307,313 (95.9%)
Frustrated white wins:
1,963,043,313 (0.4%)
Draws:
17,189,131,060 (3.7%)
Black wins:
19,204,698 (0.0%)
KQRNvKNN.json
(?)