Syzygy endgame tablebases

Invalid position

The given position is not a legal chess position.

Histogram: KRRR losing vs. KPP (log scale)

Longest KRRRvKPP phases

KRRRvKPP statistics

1,124,592,428,712 (98.8%)
578,952 (0.0%)
11,993,528,700 (1.1%)
825,168 (0.0%)
1,949,366,604 (0.2%)
KRRRvKPP.json (?)