Syzygy endgame tablebases

White is winning with DTZ 155

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


Histogram: KRBBB winning vs. KQ (log scale)

Longest KRBBBvKQ phases

KRBBBvKQ statistics (unique positions)

White wins:
239,969,306,703 (56.2%)
Frustrated white wins:
211,818 (0.0%)
165,325,076,358 (38.7%)
Frustrated black wins:
2,703,668,688 (0.6%)
Black wins:
18,942,784,311 (4.4%)
KRBBBvKQ.json (?)