[Event "It (open) (b)"] [Site "masterchessopen.com – Vienna (Austria)"] [Round "6"] [White "Ayatollahi Ehsan (IRI)"] [Black "Semper Alexander"] [Result "0-1"] [WhiteElo "1945"] [ECO "D32"] [Opening "QGD Tarrasch"] 1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 cxd4 5.Qxd4 Nc6 6.Qd1 exd5 7.Qxd5 Bd7 8.Nf3 Nf6 9.Qb3 Be6 10.Qxb7 Nb4 11.Qb5+ Bd7 12.Qe5+ Be7 13.Nd4 O-O 14.Bg5 h6 15.Bh4 Rc8 16.a3 Rc5 17.Qe3 Nbd5 18.Nxd5 Rxd5 19.Rd1 Ba4 20.b3 Bxb3 21.Qxb3 Qa5+ 22.Rd2 Rxd4 {#R} 0-1