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s
Download PGN  Download PGN
Riordan, Charles (2305) - Zierk, Steven C (2306) - North American op 19th (4), Las Vegas, 2009
B33
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Bg5 a6 8.Na3 b5 9.Nd5 Be7 10.Bxf6 Bxf6 11.c4 b4 12.Nc2 a5 13.Be2 O-O 14.O-O Bg5 15.b3 Ra7 16.Qd3 f5 17.Nde3 Bxe3 18.fxe3 Ne7 19.Rad1 Ra6 20.exf5 Rxf5 21.Rxf5 Bxf5 22.e4 Be6 23.c5 Rc6 24.Qb5 h6 25.Bc4 Bxc4 26.Qxc4+ Kh7 27.Ne3 Qb8 28.Qf7 Qa7 29.Ng4 Qxc5+ 30.Kh1 Ng8 31.Rf1 Rc7 32.Qf5+ Kh8 33.h3 Qb5 34.Rf2 Qe8 35.Ne3 Nf6 36.Nc4 Qc6 37.Qg6 d5 38.Nxe5 Qe6 39.Ng4 Rc1+ 40.Kh2 Qd6+ 41.e5 Nxg4+ 42.Qxg4 Qxe5+ 43.g3 Kh7 44.h4 h5 45.Qf5+ Qxf5 46.Rxf5 Rc2+ 47.Kh3 g6 48.Rxd5 Rxa2 49.Rd7+ Kg8 50.Ra7 Ra3 51.Kg2 Kf8 52.g4 hxg4 53.Kg3 a4 0-1
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