[Event "Olympiad"] [Site "masterchessopen.com Lugano (Switzerland)"] [Round "0"] [White "O'Riordan Kenneth"] [Black "Nejjar Abderrahman"] [Result "1/2-1/2"] [ECO "E47"] [Opening "Nimzo-Indian: 4.e3 O-O 5.Bd3"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 c5 6.Nf3 d5 7.O-O Nc6 8.a3 dxc4 9.Bxc4 Ba5 10.Qd3 Bb6 11.Na4 cxd4 12.Nxb6 Qxb6 13.exd4 h6 14.Bf4 Nd5 15.Bg3 Bd7 16.b4 Rac8 17.Rac1 Nce7 18.Rfd1 Ba4 19.Re1 a6 20.h3 Qd8 21.Bh4 Qd6 22.Bg3 Qd8 23.Bh4 Qd6 24.Bg3 Qd8 {#d} 1/2-1/2