Syzygy endgame tablebases

Black is losing with DTZ 101

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

KQQRRvKP.pgn lichess.org

Histogram: KQQRR winning vs. KP (log scale)

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Longest KQQRRvKP phases

KQQRRvKP statistics (unique positions)

White wins:
1,304,459,050,320 (99.6%)
Frustrated white wins:
972 (0.0%)
Draws:
4,618,928,104 (0.4%)
Black wins:
23,623,396 (0.0%)
KQQRRvKP.json (?)