Syzygy endgame tablebases

Black is losing with DTZ 160

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


Histogram: KQRRP winning vs. KQ (log scale)

Longest KQRRPvKQ phases

KQRRPvKQ statistics (unique positions)

White wins:
1,079,052,907,800 (93.2%)
Frustrated white wins:
1,035,568,328 (0.1%)
68,861,674,494 (6.0%)
Frustrated black wins:
3,858,034 (0.0%)
Black wins:
8,289,396,420 (0.7%)
KQRRPvKQ.json (?)