[Event "Sousse Interzonal"] [Site "Sousse TUN"] [Date "1967.11.08"] [EventDate "1967.??.??"] [Round "18"] [Result "1/2-1/2"] [White "Samuel Reshevsky"] [Black "Borislav Ivkov"] [ECO "D31"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "56"] 1.d4 d5 2.c4 e6 3.Nc3 Be7 4.cxd5 exd5 5.Bf4 c6 6.e3 Bf5 7.g4 Be6 8.h3 Bd6 9.Nge2 Ne7 10.Bxd6 Qxd6 11.Nf4 Nd7 12.Bd3 Rc8 13.Rc1 O-O 14.Nce2 b6 15.Kf1 c5 16.Kg2 Nc6 17.Bb1 g6 18.g5 Rfd8 19.h4 Nf8 20.Qd2 Ne7 21.Ng3 Qd7 22.Nd3 Qd6 23.Ne5 cxd4 24.exd4 Rxc1 25.Rxc1 Rc8 26.Rxc8 Bxc8 27.Qf4 Qe6 28.Bd3 Nc6 1/2-1/2