Syzygy endgame tablebases

Black is losing with DTZ 120

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


Histogram: KRBNP winning vs. KR (log scale)

Longest KRBNPvKR phases

KRBNPvKR statistics (unique positions)

White wins:
1,454,133,227,608 (95.6%)
Frustrated white wins:
2,849,597 (0.0%)
64,578,752,353 (4.2%)
Black wins:
2,070,855,340 (0.1%)
KRBNPvKR.json (?)