A rook endgame.

[Look]

Hi,

I was watching a chess game between two engines. The following interesting rook endgame appeared on board. I thought you might be interested too :

[d]8/8/8/P5R1/8/3k2P1/r7/3K4 w - - 0 65

[jefk]

Ke1
https://syzygy-tables.info/?fen=8/8/8/P ... _w_-_-_0_1

[Dann Corbit]

Houdini + Nalimov, 0 seconds
8/8/8/P5R1/8/3k2P1/r7/3K4 w - - acd 63/126; acs 0 ; acn 1k; ce 32642 ; bm Ke1; pv Ke1 Ke4 Rb5 Ke3 Re5+ Kd4 Rf5 Ke3 Kf1 Kd4 g4 Ke4 Ke1 Ke3 Kd1 Kd3 Kc1 Kc3 Rc5+ Kb4 Kb1 Rg2 Rg5 Kb3 Kc1 Kc3 Kd1 Kd3 Ke1 Ra2 Rg8 Ke3 Re8+ Kf4 Ra8 Ke3 Kd1 Kd3 Kc1 Kc3 Rc8+ Kd4 Rd8+ Kc5 Ra8 Kb4 a6 Kb5 Rb8+ Kc5 Rc8+ Kb5 Kd1 Rxa6 Ke2 Ra3 Kf2 Kb6 Rc1 Rb3 Kg2 Ra3 Kh2;