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.

KRRNPvKB.pgn lichess.org

Histogram: KRRNP winning vs. KB (log scale)

Longest KRRNPvKB phases

KRRNPvKB statistics (unique positions)

White wins:
1,528,463,770,776 (100.0%)
Frustrated white wins:
26 (0.0%)
Draws:
682,487,772 (0.0%)
Black wins:
8,019,978 (0.0%)
KRRNPvKB.json (?)