[Event "Donner mem-A"] [Site "Amsterdam, Netherlands"] [Round "3"] [White "Paul van der Sterren"] [Black "Ivan Sokolov"] [Result "1/2-1/2"] [WhiteElo "2605"] [BlackElo "2625"] [ECO "E15"] [Opening "Queen's Indian: 4.g3"] 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.b3 Bb7 6.Bg2 Bb4+ 7.Bd2 Be7 8.Nc3 O-O 9.O-O Na6 10.e3 d5 11.Qe2 c5 12.Rfd1 Nc7 13.Ne5 Bd6 14.Be1 Qe7 15.f4 Rfd8 16.g4 Nfe8 17.g5 f6 18.gxf6 Nxf6 19.Bh4 Qf8 20.Bf3 Nce8 21.cxd5 exd5 22.Qg2 cxd4 23.exd4 Bb4 24.Rac1 Nc7 25.Ne2 Nce8 26.Ng3 Rac8 27.Qh3 Nd6 28.Nh5 Nxh5 29.Bxh5 Rxc1 30.Qe6+ Kh8 31.Rxc1 Qxf4 32.Bxd8 Qxc1+ 33.Kg2 Qd2+ 34.Kh1 Qc1+ 35.Kg2 Qb2+ 36.Kg3 Ne4+ 37.Kh3 Qc3+ 38.Kg2 Qc2+ 39.Kh1 Qb1+ 40.Kg2 Qc2+ 41.Kh1 Qc1+ 42.Kg2 Qd2+ 43.Kh3 Qe3+ 44.Bf3 Qh6+ 45.Qxh6 gxh6 46.Bh5 Kg7 47.Kg2 Bc3 48.Nf3 Nf6 49.Bxf6+ Kxf6 50.Kf2 Bc8 51.Ke3 Bb2 52.Ne5 Bc1+ 53.Kf2 Bf4 54.Nc6 a5 55.Bf3 Bxh2 56.Bxd5 Bd6 57.Be4 Bf5 58.Bxf5 Kxf5 59.Kf3 h5 60.Na7 h4 61.Nb5 Ke6 62.Kg4 Be7 63.Kf4 Kd5 64.a3 Bxa3 65.Nxa3 Kxd4 66.Nb5+ Kc5 67.Nc7 b5 68.Ne6+ Kd5 69.Nc7+ Kc6 70.Ne6 b4 71.Ng5 h6 72.Nf3 Kd5 73.Ke3 h3 74.Kd3 h5 75.Ke3 Kc5 76.Kd3 Kb5 77.Ke3 h4 78.Kf2 Kc5 79.Ne5 Kb5 {#d} 1/2-1/2