Syzygy endgame tablebases

Black is losing with DTZ 138

This is a blessed loss. Mate can be forced, but a draw can be achieved under the fifty-move rule.

KRRPvKBB.pgn lichess.org

Histogram: KRRP winning vs. KBB (log scale)

Longest KRRPvKBB phases

KRRPvKBB statistics (unique positions)

White wins:
1,239,637,914,664 (84.8%)
Frustrated white wins:
313,783,004 (0.0%)
Draws:
220,049,220,980 (15.1%)
Frustrated black wins:
9,948 (0.0%)
Black wins:
2,101,294,088 (0.1%)
KRRPvKBB.json (?)

KRRPvKBB dependencies

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

KQRRvKBB · KRRRvKBB · KRPvKBB · KRRBvKBB · KRRPvKB · KRRNvKBB · KRRvKBB

KRRPvKBB.txt KRRPvKBB.dot