Portisch, Lajos – Donner, Jan Hein Portisch, Lajos (2630) Donner, Jan Hein (2500) Result: 1-0 Metadata » Click to open. Date: 1971.??.?? Location: Amsterdam Tournament: IBM Round: Opening: A33 English (1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6), Symmetrical Submitted by: Published on: December 5, 2020 [Event "IBM"] [Site "Amsterdam"] [Date "1971.??.??"] [Round "2"] [White "Portisch, Lajos"] [Black "Donner, Jan Hein"] [Result "1-0"] [WhiteElo "2630"] [BlackElo "2500"] [ECO "A33"] 1.c4 c5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 cxd4 5.Nxd4 e6 6.g3 Qb6 7.Nb3 Bb4 8.Bg2 Ne5 9.Be3 Qc7 10.c5 Nc4 11.Qd4 Nxe3 12.Qxe3 Rb8 13.O-O Bxc3 14.Qxc3 b6 15.c6 O-O 16.Nd4 a6 17.Rac1 d6 18.Rfd1 e5 19.Nc2 b5 20.Rd2 Rb6 21.Nb4 a5 22.Nd5 Nxd5 23.Bxd5 Rb8 24.b4 a4 25.Qd3 Rd8 26.f4 Be6 27.Kh1 g6 28.e4 Bxd5 29.Qxd5 Kg7 30.Rf2 exf4 31.Rxf4 Re8 32.Rcf1 Re7 33.Rf6 Rf8 34.Rxd6 1-0 [Event "IBM"] [Site "Amsterdam"] [Date "1971.??.??"] [Round "2"] [White "Portisch, Lajos"] [Black "Donner, Jan Hein"] [Result "1-0"] [WhiteElo "2630"] [BlackElo "2500"] [ECO "A33"] 1.c4 c5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 cxd4 5.Nxd4 e6 6.g3 Qb6 7.Nb3 Bb4 8.Bg2 Ne5 9.Be3 Qc7 10.c5 Nc4 11.Qd4 Nxe3 12.Qxe3 Rb8 13.O-O Bxc3 14.Qxc3 b6 15.c6 O-O 16.Nd4 a6 17.Rac1 d6 18.Rfd1 e5 19.Nc2 b5 20.Rd2 Rb6 21.Nb4 a5 22.Nd5 Nxd5 23.Bxd5 Rb8 24.b4 a4 25.Qd3 Rd8 26.f4 Be6 27.Kh1 g6 28.e4 Bxd5 29.Qxd5 Kg7 30.Rf2 exf4 31.Rxf4 Re8 32.Rcf1 Re7 33.Rf6 Rf8 34.Rxd6 1-0 White to move: find the best move... click the ? for the solution Black to move: find the best move... click the ? for the solution Warning: This game can only be seen if JavaScript is enabled in your browser. No related posts.