Syzygy endgame tablebases
White to move
Black to move
JavaScript required for interactive board view.
Black is losing with DTZ 12
Kg4
Loss with DTZ 11
Re3
Loss with DTZ 7
Kg5
Loss with DTZ 7
Rb6
Loss with DTZ 3
Ra6
Loss with DTZ 1
Rc6
Loss with DTZ 1
Rd6
Loss with DTZ 1
Re1+
Loss with DTZ 1
Re2
Loss with DTZ 1
Re4
Loss with DTZ 1
Re5
Loss with DTZ 1
Re7
Loss with DTZ 1
Re8
Loss with DTZ 1
Rf6
Loss with DTZ 1
Rg6
Loss with DTZ 1
Rh6
Loss with DTZ 1
Kg6
Loss with DTZ 1
Kh4
Loss with DTZ 1
Kh6
Loss with DTZ 1
KRPPvKR.pgn
lichess.org
Histogram: KRPP winning vs. KR (log scale)
Longest KRPPvKR phases
KRPP winning with DTZ 90
KRPP losing with DTZ 15
KRPPvKR statistics (unique positions)
White wins:
16,090,955,994 (76.0%)
Draws:
3,663,202,728 (17.3%)
Black wins:
1,430,586,556 (6.8%)
KRPPvKR.json
(?)