Syzygy endgame tablebases
White to move
Black to move
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Black is losing with DTZ 106
Kd6
DTM 131
Loss with DTZ 105
Ba1
DTM 79
Loss with DTZ 53
Bc3
DTM 79
Loss with DTZ 53
Bd4
DTM 79
Loss with DTZ 53
Bf6
DTM 79
Loss with DTZ 53
Ba3
DTM 79
Loss with DTZ 51
Bc1
DTM 79
Loss with DTZ 51
Kd7
DTM 79
Loss with DTZ 51
Bg7
DTM 33
Loss with DTZ 3
Kb6
DTM 33
Loss with DTZ 3
Be5
DTM 23
Loss with DTZ 1
Bh8
DTM 23
Loss with DTZ 1
This is a blessed loss.
Mate can be forced, but a draw can be achieved under the fifty-move rule.
KRPvKB.pgn
Histogram: KRP winning vs. KB (log scale)
Longest KRPvKB phases
KRP winning with DTZ 100
KRP winning with DTZ 106 (frustrated)
KRP losing with DTZ 3
KRPvKB statistics
410,097,342 (81.1%)
118 (0.0%)
95,849,198 (18.9%)
4,838 (0.0%)
KRPvKB.json
(?)