Syzygy endgame tablebases

Black is losing with DTZ 181

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


Histogram: KRRN winning vs. KQN (log scale)

Longest KRRNvKQN phases

KRRNvKQN statistics (unique positions)

White wins:
167,245,846,309 (39.1%)
Frustrated white wins:
12,227,908 (0.0%)
126,192,960,834 (29.5%)
Frustrated black wins:
3,446,335,628 (0.8%)
Black wins:
131,052,072,409 (30.6%)
KRRNvKQN.json (?)