Syzygy endgame tablebases

Tablebase draw

Ra6Draw Rb1Draw Rb2Draw Rb3Draw Rb4Draw Rb5Draw Rb8Draw Rd6Draw Re6Draw Rf6Draw Rg6+Draw Rh6Draw Kd8Draw

Rc6DTM 21Loss with DTZ 1 Rb7DTM 15Loss with DTZ 1

KRvKR.pgn lichess.org

Histogram: KR losing vs. KR (log scale)

Longest KRvKR phases

KRvKR statistics (unique positions)

White wins:
401,517 (14.9%)

Draws:
1,892,778 (70.2%)

Black wins:
401,517 (14.9%)

KRvKR dependencies

To probe all KRvKR positions, these tables and their transitive dependencies are also required:

KRvKR.txt KRvKR.dot