Syzygy endgame tablebases
White to move
Black to move
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White is losing with DTZ 302
Kf4+
Loss with DTZ 301
Be5
Loss with DTZ 101
Bf6
Loss with DTZ 101
Bf8
Loss with DTZ 101
Bh8
Loss with DTZ 101
Bxd4
Zeroing
Ke5+
Loss with DTZ 15
Bh6
Loss with DTZ 11
Kf5+
Loss with DTZ 9
Ba2
Loss with DTZ 1
Ba8
Loss with DTZ 1
Bb3
Loss with DTZ 1
Bb7
Loss with DTZ 1
Bc4
Loss with DTZ 1
Bc6
Loss with DTZ 1
Be6
Loss with DTZ 1
Bf7
Loss with DTZ 1
Bg8
Loss with DTZ 1
c3
Zeroing
c4
Zeroing
This is a blessed loss.
Mate can be forced, but a draw can be achieved under the fifty-move rule.
KBBPvKQP.pgn
lichess.org
Histogram: KBBP losing vs. KQP (log scale)
Longest KBBPvKQP phases
KBBP winning with DTZ 79
KBBP winning with DTZ 117 (frustrated)
KBBP losing with DTZ 303 (frustrated)
KBBP losing with DTZ 100
KBBPvKQP statistics (unique positions)
White wins:
191,605,395,564 (17.3%)
Frustrated white wins:
12,840,508 (0.0%)
Draws:
90,665,922,516 (8.2%)
Frustrated black wins:
4,843,420,106 (0.4%)
Black wins:
819,989,528,644 (74.1%)
KBBPvKQP.json
(?)