Syzygy endgame tablebases
White to move
Black to move
JavaScript required for interactive board view.
Black is winning with DTZ 15
Rh7+
Win with DTZ 14
Qc7+
Draw
Rf8
Draw
Rg8
Draw
Qf7+
Loss with DTZ 23
Qh4
Loss with DTZ 21
Rh4
Loss with DTZ 17
Rh1
Loss with DTZ 13
Rh2
Loss with DTZ 13
Rh3
Loss with DTZ 13
Rh5
Loss with DTZ 13
Qc8
Loss with DTZ 11
Qe2
Loss with DTZ 11
Kf7
Loss with DTZ 11
Qb5
Loss with DTZ 9
Qc2
Loss with DTZ 9
Qf4
Loss with DTZ 7
Qg8
Loss with DTZ 7
Qf1
Loss with DTZ 5
Ke7
Loss with DTZ 3
Kf8
Loss with DTZ 3
Qa2
Loss with DTZ 1
Qa4+
Loss with DTZ 1
Qa6+
Loss with DTZ 1
Qb3
Loss with DTZ 1
Qb4
Loss with DTZ 1
Qc1
Loss with DTZ 1
Qc3
Loss with DTZ 1
Qc5+
Loss with DTZ 1
Qc6
Loss with DTZ 1
Qd3
Loss with DTZ 1
Qd4+
Loss with DTZ 1
Qd5
Loss with DTZ 1
Qe4
Loss with DTZ 1
Qe6
Loss with DTZ 1
Qg4
Loss with DTZ 1
Rh6
Loss with DTZ 1
KQRPvKQR.pgn
Histogram: KQRP losing vs. KQR (log scale)
Longest KQRPvKQR phases
KQRP winning with DTZ 100
KQRP winning with DTZ 178 (frustrated)
KQRP losing with DTZ 190 (frustrated)
KQRP losing with DTZ 100
KQRPvKQR statistics
562,911,166,740 (49.7%)
10,954,265 (0.0%)
130,692,156,422 (11.5%)
35,036,720 (0.0%)
438,843,036,751 (38.8%)
KQRPvKQR.json
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