Syzygy endgame tablebases
White to move
Black to move
JavaScript required for interactive board view.
Black is losing with DTZ 6
Rc1
Loss with DTZ 5
Rd1
Loss with DTZ 5
Re1
Loss with DTZ 5
Rb1
Loss with DTZ 3
Rf2
Loss with DTZ 3
Rf5
Loss with DTZ 3
Rf6
Loss with DTZ 3
Rg1
Loss with DTZ 3
Kc7
Loss with DTZ 1
Kc8
Loss with DTZ 1
Ra1
Loss with DTZ 1
Rf3
Loss with DTZ 1
Rf4
Loss with DTZ 1
Rf7
Loss with DTZ 1
Rf8+
Loss with DTZ 1
Rh1
Loss with DTZ 1
KRRBvKR.pgn
lichess.org
Histogram: KRRB winning vs. KR (log scale)
⋮
Longest KRRBvKR phases
KRRB winning with DTZ 62
KRRB winning with DTZ 111 (frustrated)
KRRB losing with DTZ 3
KRRBvKR statistics (unique positions)
White wins:
6,999,234,042 (85.3%)
Frustrated white wins:
58,627 (0.0%)
Draws:
1,192,835,879 (14.5%)
Black wins:
8,641,700 (0.1%)
KRRBvKR.json
(?)