[Event "Olympiad (corr.)"] [Site "masterchessopen.com corr."] [Round "0"] [White "Cardenas C"] [Black "Landgraf Siegfried (GER)"] [Result "0-1"] [BlackElo "2109"] [ECO "B06"] [Opening "Modern"] 1.e4 g6 2.d4 Bg7 3.c4 c5 4.Nf3 cxd4 5.Nxd4 Nc6 6.Be3 Nf6 7.Nc3 Ng4 8.Qxg4 Nxd4 9.Qd1 Ne6 10.Rc1 d6 11.Bd3 Bd7 12.O-O a5 13.f4 Bc6 14.Bb1 O-O 15.Rf2 Nc5 16.e5 b6 17.Rd2 Qc7 18.exd6 exd6 19.Rxd6 Rfe8 {#R} 0-1