Syzygy endgame tablebases
White to move
Black to move
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Black is winning with DTZ 258
Kc4
Win with DTZ 257
Ka4
Draw
Kxa5
Draw
Ka6
Draw
Kc5
Draw
Kc6
Draw
Ra7
Draw
Rb7
Draw
Rc7
Draw
Rd7
Draw
Re1
Draw
Re2
Draw
Re3
Draw
Re4
Draw
Re5
Draw
Re6
Draw
Re8
Draw
Rf7
Draw
Rg7
Draw
Rh7
Draw
Nd1
Draw
Nd3
Draw
Ne4
Draw
Ng4
Draw
Nh1
Draw
Nh3
Draw
This is a cursed win.
Mate can be forced, but a draw can be achieved under the fifty-move rule.
KNNPvKRN.pgn
Histogram: KNNP losing vs. KRN (log scale)
Longest KNNPvKRN phases
KNNP winning with DTZ 58
KNNP winning with DTZ 127 (frustrated)
KNNP losing with DTZ 259 (frustrated)
KNNP losing with DTZ 100
KNNPvKRN statistics
215,419,506,184 (13.1%)
1,206,210 (0.0%)
982,111,004,800 (59.7%)
17,532,948,796 (1.1%)
430,012,807,542 (26.1%)
KNNPvKRN.json
(?)