[Event "K+R+6P vs K+R+5P"] [Site "Cleanchess.com"] [Date "1972.01.01"] [Round "0"] [White "Ivkov"] [Black "Lombard"] [Result "1-0"] [EventType "game"] [EventCountry "MKD"] [FEN "8/p1k2p1p/1p1R1P2/2p1P1P1/2P5/1P3KP1/1r6/8 w - - 0 1"] 1.e6 $1 { A similar idea, but here the rook is sacrificed. After 1...Kxd6 2. exf7 wins, since the f6-pawn denies the black king access to e7. White's doubled pawns in this case are stronger than a rook, a good example of the changeable relative value of pieces and pawns. Black resigned. } ( 1.e6 Kxd6 2.exf7 $18 ) {#r} 1-0