Syzygy endgame tablebases

Black is losing with DTZ 178

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

KQRPPvKQ.pgn lichess.org

Histogram: KQRPP winning vs. KQ (log scale)

Longest KQRPPvKQ phases

KQRPPvKQ statistics (unique positions)

White wins:
818,377,146,500 (86.5%)
Frustrated white wins:
11,171,642 (0.0%)
Draws:
65,845,464,554 (7.0%)
Frustrated black wins:
38,653,626 (0.0%)
Black wins:
62,119,658,566 (6.6%)
KQRPPvKQ.json (?)