Syzygy endgame tablebases

Black is losing with DTZ 104

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

KBBPPvKB.pgn lichess.org

Histogram: KBBPP winning vs. KB (log scale)

Longest KBBPPvKB phases

KBBPPvKB statistics (unique positions)

White wins:
1,082,614,438,088 (86.3%)
Frustrated white wins:
1,960 (0.0%)
Draws:
171,202,714,104 (13.7%)
Black wins:
103,750,096 (0.0%)
KBBPPvKB.json (?)