[Event "Palma de Mallorca Interzonal"] [Site "Palma de Mallorca ESP"] [Date "1970.12.08"] [Round "21"] [White "Samuel Reshevsky"] [Black "Borislav Ivkov"] [Result "1-0"] [ECO "A56"] [Opening "Benoni: 2...c5"] 1.d4 Nf6 2.c4 c5 3.Nf3 e6 4.Nc3 d5 5.cxd5 exd5 6.g3 Nc6 7.Bg2 Be7 8.O-O O-O 9.dxc5 Bxc5 10.Na4 Be7 11.Be3 Re8 12.Rc1 Bg4 13.Bc5 Ne4 14.Bxe7 Qxe7 15.h3 Bxf3 16.exf3 Nf6 17.f4 Rac8 18.Re1 Qxe1+ 19.Qxe1 Rxe1+ 20.Rxe1 Kf8 21.Rd1 Ne7 22.Nc3 Rc5 23.g4 h6 24.g5 Nh5 25.Bxd5 Nxf4 26.gxh6 gxh6 27.Bxb7 Nxh3+ 28.Kf1 Nf4 29.Be4 a5 30.Rd7 h5 31.Rb7 f5 32.Bf3 h4 33.a4 Neg6 34.Rb5 Re5 35.Ne2 Nd3 36.Bh5 Rxb5 37.axb5 Nge5 38.b3 h3 39.f4 Ng4 40.b6 Ne3+ 41.Kg1 Nc5 42.Bf3 Nc2 43.b7 Nd7 44.Bc6 Nb8 45.Bb5 Ke7 46.Kh2 Kd6 47.Kxh3 Kc7 48.Bd3 Ne3 49.Kg3 Kxb7 50.Kf3 Nd5 51.Bxf5 Kb6 52.Ke4 Nxf4 53.Kxf4 Kc5 54.Bc2 Kb4 55.Ke3 Nd7 56.Kd4 Nc5 57.Nc1 a4 58.Na2+ Ka3 59.b4 Nb3+ 60.Kc3 Kxa2 61.Bf5 Ka3 62.b5 Nc5 63.b6 Ka2 64.Kb4 Nb7 65.Kxa4 Nd8 66.Be4 Kb2 67.Kb4 Ka2 68.Bd5+ Kb2 69.Kc5 Ka3 70.Kb5 Kb2 71.Kb4 Kc2 72.Kc4 Kb2 73.Kb4 Kc2 74.Kc5 Kc3 75.Be4 Kb3 76.Bf5 Nb7+ 77.Kc6 Na5+ 78.Kb5 Nb7 79.Bc8 Nd8 80.Kc5 Ka4 81.Kd6 Ka5 82.Kc7 Kb5 83.Bh3 {#r} 1-0