Syzygy endgame tablebases

Black is losing with DTZ 101

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


Histogram: KQRRP winning vs. KB (log scale)

Longest KQRRPvKB phases

KQRRPvKB statistics (unique positions)

White wins:
1,357,390,708,612 (100.0%)
Frustrated white wins:
16 (0.0%)
354,351,270 (0.0%)
Black wins:
3,387,994 (0.0%)
KQRRPvKB.json (?)