[Event "?"] [Site "masterchessopen.com Mar del Plata (Argentina)"] [Round "0"] [White "Graf-Stevenson Sonja (GER)"] [Black "Luckis Marcos"] [Result "1/2-1/2"] [BlackElo "2270"] [ECO "E32"] [Opening "Nimzo-Indian: Classical, 4...d6"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d6 5.Bg5 Nbd7 6.e3 b6 7.Nf3 Bb7 8.Be2 Qe7 9.O-O Bxc3 10.bxc3 h6 11.Bh4 g5 12.Bg3 Ne4 13.Nd2 Nxd2 14.Qxd2 h5 15.f3 O-O-O 16.a4 a5 17.e4 e5 18.c5 dxc5 19.d5 Nf8 20.Qb2 Ng6 21.Be1 h4 22.Rb1 Nf4 23.Rf2 f5 24.c4 g4 25.fxg4 fxe4 26.Bc3 Rhe8 27.Re1 h3 28.g3 Ng2 29.Ref1 Ba6 30.Rf7 Qg5 31.Bd2 Qg8 32.R1f5 Rd6 33.Qc2 Kb8 34.Qxe4 Bc8 35.R5f6 Rxf6 36.Rxf6 Qg7 37.g5 Bd7 38.Bg4 Bxg4 39.Qxg4 e4 40.Bc3 Ka7 41.Kf2 Qh7 42.Ke2 Re7 43.Rh6 Qf7 44.Bf6 Qe8 45.Bxe7 Qxe7 46.Rh8 Qe5 47.Qxh3 Qb2+ 48.Kd1 Qb3+ 49.Kc1 Qxc4+ 50.Kb2 Qb4+ 51.Kc1 Qe1+ 52.Kb2 Qd2+ 53.Kb1 Qd1+ 54.Kb2 Qxd5 55.Qc8 {#d} 1/2-1/2