Syzygy endgame tablebases
White to move
Black to move
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Black is winning with DTZ 1
Qxc7
Zeroing
Qb2
Win with DTZ 2
Qbe8
Win with DTZ 2
Qh1+
Win with DTZ 2
Qh3+
Win with DTZ 2
Qa8
Win with DTZ 4
Qb5+
Win with DTZ 4
Qb6
Win with DTZ 4
Qb7
Win with DTZ 4
Qc8
Win with DTZ 4
Qbh8
Win with DTZ 4
Qa7
Win with DTZ 6
Qb3
Win with DTZ 6
Qf8
Win with DTZ 6
Qg8
Win with DTZ 6
Qb4
Win with DTZ 8
Qb1
Draw
Kf5
Draw
Kf6
Draw
Kg4
Draw
Kg6
Draw
Qe2+
Draw
Qhe8
Draw
Qh2
Draw
Qhh8
Draw
Qf3
Loss with DTZ 2
Qh4
Loss with DTZ 2
Qh6
Loss with DTZ 2
Qh7
Loss with DTZ 2
Qd8
Loss with DTZ 1
Kf4
Loss with DTZ 1
Kh4
Loss with DTZ 1
Kh6
Loss with DTZ 1
Qd1
Loss with DTZ 1
Qf7
Loss with DTZ 1
Qg4
Loss with DTZ 1
Qg6
Loss with DTZ 1
KRPPvKQQ.pgn
lichess.org
Histogram: KRPP losing vs. KQQ (log scale)
⋮
Longest KRPPvKQQ phases
KRPP winning with DTZ 15
KRPP winning with DTZ 109 (frustrated)
KRPP losing with DTZ 115 (frustrated)
KRPP losing with DTZ 46
KRPPvKQQ statistics (unique positions)
White wins:
15,834,088,528 (1.6%)
Frustrated white wins:
2,275,288 (0.0%)
Draws:
45,965,829,780 (4.8%)
Frustrated black wins:
53,586,288 (0.0%)
Black wins:
901,457,548,696 (93.6%)
KRPPvKQQ.json
(?)