[Event "K+R+4P vs K+R+4P"] [Site "www.masterchessopen.com"] [Date "1969.01.01"] [Round "0"] [White "Gheorghiu"] [Black "Portisch"] [Result "0-1"] [EventType "game"] [EventCountry "MNC"] [FEN "8/8/p2p1k2/3P2p1/1P2r2p/2PR3P/6K1/8 b - - 0 1"] 1...Ke5 2.Kf3 Rf4+ 3.Kg2 { Or 3.Ke2 g4 4.hxg4 Rxg4 5.Kf2 Rg3! and according to Maric and Karpov, Black has a winning position. } (3.Ke2 g4 4.hxg4 Rxg4 5.Kf2 Rg3!) 3...g4 { Again, the important thematic method: the creation of a passed pawn. } 4.hxg4 Rxg4+ 5.Kh3 Rc4 { Now the transformation 5...Rg3+ 6.Rxg3 hxg3 would be a mistake, because capture of the g-pawn is without check, and after 7.c4! Kd4 8.c5 Kxd5 9.cxd6 Kxd6 10.Kxg3 White's king is able to reach the critical square c1. } (5...Rg3+ 6.Rxg3 hxg3 7.c4! Kd4 8.c5 Kxd5 9.cxd6 Kxd6 10.Kxg3) 6.Rd1 Rxc3+ 7.Kxh4 Rc4+ 8.Kg3 Rxb4 { The positional advantage is transformed into a material one, without White gaining any compensating strategic benefits. } 9.Ra1 Rb6! { The possible variation 9... Kxd5 10.Rxa6 Re4 11.Kf3 Re8 12.Ra1 introduces us to the subject of the next chapter, "Basic rook-and-pawn endgames," specifically rook and pawn against rook. Portisch avoids this, because if this specific position is correctly played, White achieves a draw. } (9...Kxd5 10.Rxa6 Re4 11.Kf3 Re8 12.Ra1) 10.Ra5 Kd4 11.Kf4 Kc4 12.Kf5 Kb4 13.Ra1 a5 14.Rb1+ Kc5 15.Ra1 Ra6! { The most active position for the rook. } 16.Ke6 a4 17.Rc1+ Kb4 18.Rb1+ Ka5! 19.Ra1 Rb6 { A regrouping of the pieces to assure optimum coordination. } 20.Ra2 Kb5 21.Ra1 { Or 21.Rb2+ Kc5 22.Rc2+ Kd4 23.Ra2 Ra6 24.Ra3 Kc4! followed by Kb4. } (21.Rb2+ Kc5 22.Rc2+ Kd4 23.Ra2 Ra6 24.Ra3 Kc4!) 21...Kb4! { After 22.Rb1+ Ka5 23.Ra1 Ra6! 24.Ra2 Kb4 25.Ra1 a3, the advance of the black passed pawn, supported by rook and king, is irresistible. } (21...Kb4 22.Rb1+ Ka5 23.Ra1 Ra6 24.Ra2 Kb4 25.Ra1 a3 $19) {#R} 0-1