Syzygy endgame tablebases

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 lichess.org

Histogram: KRP winning vs. KB (log scale)

Longest KRPvKB phases

KRPvKB statistics (unique positions)

White wins:
410,097,342 (81.1%)

Frustrated white wins:
118 (0.0%)

Draws:
95,849,198 (18.9%)

Black wins:
4,838 (0.0%)

KRPvKB.json (?)

KRPvKB dependencies

To probe all KRPvKB positions, these tables and their transitive dependencies are also required:

KQRvKB · KRRvKB · KBvKP · KRBvKB · KRPvK · KRNvKB · KRvKB

KRPvKB.txt KRPvKB.dot