Round Four: Sicilian Defense, Najdorf Variation
William O'Brien (USCF 1749) - Jim West (USCF 2200), Marshall Chess Club 6/2/2019
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.g4 b5 11.Bxf6 Nxf6 12.g5 Nd7 13.f5 Nc5 14.f6 gxf6 15.gxf6 Bf8 16.Rg1 b4
17.Nd5 exd5 18.exd5 Bd7 19.Re1+ Kd8 20.Nc6+ Bxc6 21.dxc6 Qa5 22.c7+ Kxc7 23.Bg2 Qb6 24.Qh5 Rd8 25.Bd5 Nd7 26.Qxf7 Bh6+ 27.Kb1 Rhf8 28.Qe7 Rde8 29.Qxh7 Rxe1+ 30.Rxe1 Rxf6
31.Qd3 Bf4 32.Qc4+ Qc5 33.Qb3 Bxh2 34.Bg2 Be5 35.Rd1 Rf2 36.Bh3 Rd2 37.Rf1 Qd5 38.Qxd5 Rxd5 39.a3 bxa3 40.bxa3 Rb5+ 41.Kc1 Bb2+ 42.Kd1 Ne5 43.a4 Ra5 44.Rf4 Rd5+ 45.Ke2 Bc3
46.Be6 Rd2+ 47.Kf1 Rxc2 48.Rh4 Rc1+ 49.Ke2 Re1+ 50.Kf2 Nd3+ 51.Kg3 Rxe6 52.Rc4+ Nc5 53.Rxc3 Re4 54.Kf3 Rxa4 55.Ke3 Rh4 56.Rc2 Rh3+ 57.Kf4 a5 58.Kg4 Rb3 59.Kf5 a4 60.Kf6 Re3
61.Kf5 a3 62.Kf4 Re4+ 63.Kf3 Ra4 64.Ra2 Nd3 65.Rc2+ Kd7 66.Rh2 Ne5+ 67.Ke3 Ng4+ 68.Kd2 Nxh2 69.Kc3 a2 70.Kb3 Ra8 71.Kc3 a1=Q+ 72.Kd3 Ra4 73.Kc2 Ra3, White resigns.
