Syzygy endgame tablebases
White to move
Black to move
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White is winning with DTZ 466
Kc2
Win with DTZ 465
Nb4
Draw
Nc3
Draw
Kb1
Draw
Kb2
Draw
Kd1
Draw
Kd2
Draw
Ra6
Draw
Rb6
Draw
Rc6
Draw
Rd6
Draw
Rf1
Draw
Rf7
Draw
Rf8
Draw
Rg6+
Draw
Rh6
Draw
Ne7
Draw
Nh6
Draw
Rf2
Loss with DTZ 101
Rf5
Loss with DTZ 101
Re6
Loss with DTZ 1
Rf3+
Loss with DTZ 1
Rf4
Loss with DTZ 1
This is a cursed win.
Mate can be forced, but a draw can be achieved under the fifty-move rule.
KRNNvKRB.pgn
lichess.org
Histogram: KRNN winning vs. KRB (log scale)
Longest KRNNvKRB phases
KRNN winning with DTZ 100
KRNN winning with DTZ 467 (frustrated)
KRNN losing with DTZ 131 (frustrated)
KRNN losing with DTZ 35
KRNNvKRB statistics (unique positions)
White wins:
148,149,759,530 (30.4%)
Frustrated white wins:
67,656,780,595 (13.9%)
Draws:
216,928,468,966 (44.5%)
Frustrated black wins:
26,361,463,087 (5.4%)
Black wins:
28,700,380,078 (5.9%)
KRNNvKRB.json
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