[Event "K+R+2P vs K+R+2P"] [Site "www.masterchessopen.com"] [Date "1972.01.01"] [Round "0"] [White "Kholmov"] [Black "Vasiukov"] [Result "1-0"] [EventType "team"] [FEN "8/7k/1R3p2/1P4p1/P4r2/4K3/8/8 w - - 0 1"] { Time - the ability to perform a critical task in fewer moves than the opponent needs to prevent it or create counterplay - is the dynamic aspect of strategy. In rook endgames, even one extra tempo can be extremely important, especially in situations when both sides have passed pawns. White's pawns are further advanced, and thus have the advantage of extra tempi on their way to the last rank. This advantage is decisive: } 1.a5 Kg6 2.Rb8 Ra4 3.b6! Ra3+ 4.Kd2 Ra2+ 5.Kd3 Rxa5 6.b7 Kf5 { The alternative 6...Rb5 7.Rg8 leads to the same position as in the game. } (6...Rb5 7.Rg8+) 7.Ra8 Rb5 8.b8=Q Rxb8 9.Rxb8 Kf4 10.Ke2 Kg3 11.Rf8 Kg2 12.Rxf6 g4 13.Rg6 g3 14.Rg8 {#r} 1-0