Syzygy endgame tablebases
White to move
Black to move
JavaScript required for interactive board view.
Black is winning with DTZ 114
Kb3
Win with DTZ 113
Ka4
Loss with DTZ 3
This is a cursed win.
Mate can be forced, but a draw can be achieved under the fifty-move rule.
KQBNvKRB.pgn
Histogram: KQBN losing (log scale)
⋮
Longest KQBNvKRB phases
KQBN winning with DTZ 48
KQBN losing with DTZ 115 (frustrated)
KQBN losing with DTZ 17
KQBNvKRB statistics
349,433,234,278 (79.3%)
60,809,653,151 (13.8%)
13,774,567,561 (3.1%)
16,811,438,422 (3.8%)
KQBNvKRB.json
(?)
