Syzygy endgame tablebases
White to move
Black to move
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Black is losing with DTZ 118
Ra5+
Loss with DTZ 117
Rb7+
Loss with DTZ 7
Kc7
Loss with DTZ 3
Bd5
Loss with DTZ 3
Bf5
Loss with DTZ 3
Rb1
Loss with DTZ 1
Rb2
Loss with DTZ 1
Rb3
Loss with DTZ 1
Rb4
Loss with DTZ 1
Rb6
Loss with DTZ 1
Rb8
Loss with DTZ 1
Rc5
Loss with DTZ 1
Rd5
Loss with DTZ 1
Re5
Loss with DTZ 1
Rf5
Loss with DTZ 1
Rg5
Loss with DTZ 1
Rh5
Loss with DTZ 1
Kc5
Loss with DTZ 1
Kd5
Loss with DTZ 1
Kd6
Loss with DTZ 1
Kd7
Loss with DTZ 1
Bf3
Loss with DTZ 1
Bg6
Loss with DTZ 1
Bh7
Loss with DTZ 1
Bxg2
Zeroing
Bxd3
Zeroing
This is a blessed loss.
Mate can be forced, but a draw can be achieved under the fifty-move rule.
KQRPvKRB.pgn
lichess.org
Histogram: KQRP winning vs. KRB (log scale)
⋮
Longest KQRPvKRB phases
KQRP winning with DTZ 54
KQRP winning with DTZ 119 (frustrated)
KQRP losing with DTZ 107 (frustrated)
KQRP losing with DTZ 19
KQRPvKRB statistics (unique positions)
White wins:
1,126,180,054,287 (86.2%)
Frustrated white wins:
26,311,785 (0.0%)
Draws:
172,181,791,746 (13.2%)
Frustrated black wins:
162,107 (0.0%)
Black wins:
7,671,011,085 (0.6%)
KQRPvKRB.json
(?)