Syzygy endgame tablebases
White to move
Black to move
JavaScript required for interactive board view.
White is losing with DTZ 92
Rb2+
DTM 133
Loss with DTZ 91
Kc1
DTM 61
Loss with DTZ 1
Ra2
DTM 59
Loss with DTZ 1
Rc2
DTM 59
Loss with DTZ 1
Kb2
DTM 57
Loss with DTZ 1
Kc2
DTM 57
Loss with DTZ 1
Rh2
DTM 57
Loss with DTZ 1
Nd7
DTM 55
Loss with DTZ 1
Rg2
DTM 55
Loss with DTZ 1
Re1
DTM 53
Loss with DTZ 1
Rf2
DTM 51
Loss with DTZ 1
Re6
DTM 29
Loss with DTZ 1
Ka2
DTM 25
Loss with DTZ 1
Re5
DTM 25
Loss with DTZ 1
Re3
DTM 21
Loss with DTZ 1
Re4
DTM 21
Loss with DTZ 1
Ka1
DTM 19
Loss with DTZ 1
Re7+
DTM 19
Loss with DTZ 1
Re8
DTM 19
Loss with DTZ 1
Na6
DTM 17
Loss with DTZ 1
Rd2
DTM 17
Loss with DTZ 1
Nc6
DTM 15
Loss with DTZ 1
KRNvKQ.pgn
lichess.org
Histogram: KRN losing vs. KQ (log scale)
Longest KRNvKQ phases
KRN winning with DTZ 17
KRN losing with DTZ 92
KRNvKQ statistics
27,985,439 (19.6%)
44,239,143 (30.9%)
70,833,332 (49.5%)
KRNvKQ.json
(?)