Syzygy endgame tablebases
White to move
Black to move
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Black is losing with DTZ 168
Qh6+
Loss with DTZ 167
Qf6+
Loss with DTZ 9
Qf8+
Loss with DTZ 9
Qd4+
Loss with DTZ 5
Kh3
Loss with DTZ 1
Kh5
Loss with DTZ 1
Qa1
Loss with DTZ 1
Qa8
Loss with DTZ 1
Qb2
Loss with DTZ 1
Qb8+
Loss with DTZ 1
Qc3
Loss with DTZ 1
Qc8
Loss with DTZ 1
Qd8
Loss with DTZ 1
Qe5+
Loss with DTZ 1
Qe8
Loss with DTZ 1
Qg7
Loss with DTZ 1
Qg8
Loss with DTZ 1
Qh5
Loss with DTZ 1
Qh7
Loss with DTZ 1
This is a blessed loss.
Mate can be forced, but a draw can be achieved under the fifty-move rule.
KQRPvKQ.pgn
Histogram: KQRP winning vs. KQ (log scale)
Longest KQRPvKQ phases
KQRP winning with DTZ 100
KQRP winning with DTZ 169 (frustrated)
KQRP losing with DTZ 111 (frustrated)
KQRP losing with DTZ 25
KQRPvKQ statistics
17,427,813,985 (80.4%)
626,830 (0.0%)
2,060,532,619 (9.5%)
1,306,389 (0.0%)
2,195,780,693 (10.1%)
KQRPvKQ.json
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