Syzygy endgame tablebases

Black is losing with DTZ 146

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


Histogram: KBPPP winning vs. KR (log scale)

Longest KBPPPvKR phases

KBPPPvKR statistics (unique positions)

White wins:
637,911,744,450 (67.8%)
Frustrated white wins:
2,347,494 (0.0%)
258,746,596,842 (27.5%)
Black wins:
44,821,559,244 (4.8%)
KBPPPvKR.json (?)