[Event "21st World Open"] [Site "Philadelphia, PA USA"] [Date "1993.07.04"] [EventDate "1993.06.29"] [Round "8"] [Result "1/2-1/2"] [White "Aleksander Wojtkiewicz"] [Black "Gennadi Lvovich Zaichik"] [ECO "E69"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "59"] 1.Nf3 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.d4 d6 6.O-O Nbd7 7.Nc3 e5 8.h3 c6 9.e4 Qb6 10.c5 dxc5 11.dxe5 Ne8 12.e6 fxe6 13.Ng5 Nc7 14.f4 c4 15.Kh2 e5 16.Qe2 Qa6 17.f5 h6 18.Ne6 Nxe6 19.fxe6 Rxf1 20.exd7 Rf8 21.dxc8=Q Raxc8 22.h4 b5 23.Be3 Rf6 24.Nd1 Rd8 25.Nf2 Rfd6 26.h5 gxh5 27.Qxh5 Qb7 28.Rf1 Qf7 29.Qe2 Qg6 30.Bh3 1/2-1/2