Syzygy endgame tablebases
White to move
Black to move
JavaScript required for interactive board view.
Black is losing with DTZ 348
Kd1
Loss with DTZ 347
Kd2
Loss with DTZ 165
Kb1
Loss with DTZ 1
Kb2
Loss with DTZ 1
This is a blessed loss.
Mate can be forced, but a draw can be achieved under the fifty-move rule.
KQNPvKQB.pgn
Histogram: KQNP winning vs. KQB (log scale)
Longest KQNPvKQB phases
KQNP winning with DTZ 100
KQNP winning with DTZ 348 (frustrated)
KQNP losing with DTZ 112 (frustrated)
KQNP losing with DTZ 100
KQNPvKQB statistics
432,078,435,234 (33.9%)
269,703,847 (0.0%)
558,142,914,203 (43.8%)
1,591 (0.0%)
283,517,452,527 (22.3%)
KQNPvKQB.json
(?)