Syzygy endgame tablebases
White to move
Black to move
JavaScript required for interactive board view.
Black is losing with DTZ 16
Qc5+
Loss with DTZ 15
Qc1+
Loss with DTZ 3
Kd1
Loss with DTZ 1
Kd2
Loss with DTZ 1
Ke1
Loss with DTZ 1
Ke3
Loss with DTZ 1
Kf1
Loss with DTZ 1
Kf2
Loss with DTZ 1
Qa1
Loss with DTZ 1
Qa7
Loss with DTZ 1
Qb1
Loss with DTZ 1
Qb6
Loss with DTZ 1
Qd1
Loss with DTZ 1
Qd4
Loss with DTZ 1
Qe1
Loss with DTZ 1
Qe3
Loss with DTZ 1
Qf1
Loss with DTZ 1
Qf2
Loss with DTZ 1
Qg2
Loss with DTZ 1
Qg3
Loss with DTZ 1
Qg4+
Loss with DTZ 1
Qg5
Loss with DTZ 1
Qh1
Loss with DTZ 1
Qh2
Loss with DTZ 1
Qxg6
DTM 21
Zeroing
KQNPvKQ.pgn
lichess.org
Histogram: KQNP winning vs. KQ (log scale)
Longest KQNPvKQ phases
KQNP winning with DTZ 100
KQNP winning with DTZ 155 (frustrated)
KQNP losing with DTZ 33
KQNPvKQ statistics (unique positions)
White wins:
15,122,579,145 (65.0%)
Frustrated white wins:
624,973 (0.0%)
Draws:
4,722,251,039 (20.3%)
Frustrated black wins:
20 (0.0%)
Black wins:
3,415,914,046 (14.7%)
KQNPvKQ.json
(?)