In three previous games against the same opponent, I played 19...Nd7 20.Qxb6 Nxb6 and lost the endgame each time.
Round Six: Sicilian Defense, Najdorf Variation
Ed Kopiecki (FIDE 1959) - Jim West (FIDE 2091), Marshall Chess Club 10/15/2012
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7 9.O-O-O Nbd7 10.Bd3 b5 11.Rhe1 Bb7 12.Qg3 O-O-O 13.Bxb5 axb5 14.Ndxb5 Qb6 15.e5 Nc5 16.exf6 gxf6 17.Bh4 Rhg8 18.Qe3 Rxg2 19.Kb1 Rxh2
20.Bf2 Qa6 21.Qd4 f5 22.b4 Bc6 23.Bg1 Rg2 24.Qc4 Bxb5 25.Nxb5 d5 26.Qf1 Rxg1 27.Qxg1 Qxb5 28.Qd4 Ne4 29.Rd3 Qxb4+ 30.Qxb4 Bxb4 31.Rg1 Bc3 32.Rh1 Kd7 33.Rxh7 Rb8+ 34.Kc1 Bb2+ 35.Kd1 Nf2+ 36.Kd2 Nxd3 37.cxd3 Ke7
38.Kc2 Rh8 39.Rxh8 Bxh8 40.Kb3 Bd4 41.a4 Kd7 42.Kb4 Kc6 43.a5 Be3 44.a6 Kb6, White resigns.
