Syzygy endgame tablebases
White to move
Black to move
JavaScript required for interactive board view.
Black is losing with DTZ 102
Kd1
Loss with DTZ 101
Kf1
Loss with DTZ 1
Kf2
Loss with DTZ 1
This is a blessed loss.
Mate can be forced, but a draw can be achieved under the fifty-move rule.
KQRBvKPP.pgn
Histogram: KQRB winning vs. KPP (log scale)
⋮
Longest KQRBvKPP phases
KQRB winning with DTZ 10
KQRB winning with DTZ 103 (frustrated)
KQRB losing with DTZ 102 (frustrated)
KQRB losing with DTZ 3
KQRBvKPP statistics
1,107,233,835,838 (99.0%)
56,632 (0.0%)
7,853,095,818 (0.7%)
1,852,930 (0.0%)
3,410,913,266 (0.3%)
KQRBvKPP.json
(?)