[Event "It (open)"] [Site "masterchessopen.com - Schwarzach (Austria)"] [Round "5"] [White "Umansky Mikhail (GER)"] [Black "Dubkov Andrej (GER)"] [Result "1-0"] [WhiteElo "2481"] [BlackElo "2319"] [ECO "A84"] [Opening "Dutch: 2.c4 Nf6"] 1.d4 f5 2.c4 Nf6 3.Nf3 g6 4.g3 Bg7 5.Bg2 O-O 6.O-O d6 7.Nc3 Nc6 8.d5 Ne5 9.Nxe5 dxe5 10.c5 h6 11.b4 ( 11.a4 g5 12.a5 a6 13.Ra3 Bd7 14.b4 e4 15.f3 exf3 16.Bxf3 Rb8 17.e4 fxe4 18.Nxe4 Nxe4 19.Bxe4 Rxf1+ 20.Qxf1 Qf8 21.Rf3 Bd4+ 22.Kg2 Qg7 23.Bf5 Bxf5 24.Rxf5 Rf8 25.Rxf8+ Qxf8 { Larsen,B-Rodi,L/Pinamar 2001/CBM 82/1/2-1/2 (38) } ) 11...g5 12.Bb2 Qe8 ( 12...a6 13.e4 ( 13.a4 e4 14.Qb3 e6 15.Rfd1 exd5 16.Nxd5 Nxd5 17.Bxg7 Kxg7 18.Qxd5 Qxd5 19.Rxd5 Be6 20.Rd4 Kf6 21.f3 exf3 22.Bxf3 c6 23.Rad1 Ke5 24.Rd6 Rf7 25.R1d3 Re7 26.b5 axb5 27.axb5 cxb5 { Izsak,G-Danner,G/Budapest 1995/EXT 97/1/2-1/2 (45) } ) 13...f4 14.Nb1 g4 15.Re1 f3 16.Bf1 Nh7 17.Nd2 Qe8 18.Nc4 Qh5 19.d6 Be6 20.dxc7 Rac8 21.Qc2 Rxc7 22.Rad1 Ng5 23.Kh1 Nh3 24.Rd2 Rd7 25.Red1 Rfd8 26.Rxd7 Rxd7 27.Rxd7 { Cvitan,O-Somlai,L/Mendrisio 1999/EXT 2000/1/2-1/2 (27) } ) 13.Qb3 Kh8 14.Rad1 a6 15.b5 e4 16.f3 exf3 17.exf3 e5 18.Rfe1 g4 19.f4 ( 19.b6 { !? } ) 19...e4 20.b6 c6 21.dxc6 Qxc6 22.Qb4 Be6 23.Rd6 Qe8 24.Red1 ( 24.Nxe4 { ! } 24...fxe4 25.Bxe4 { +?? } ) 24...Qe7 25.Bf1 Rac8 26.Ne2 Ne8 27.Nd4 Bd7 { ? } ( 27...Nxd6 28.cxd6 Qd7 29.Nxe6 Qxe6 30.d7 { +?? } ) ( 27...Bxa2 { ! } 28.Rxh6+ Kg8 29.Qa3 Bxh6 ( 29...Bd5 30.Rh5 Qd7 31.Be2 Rd8 32.Rg5 { ? } ) 30.Qxa2+ Kh7 31.c6 { ? } ) 28.Rxh6+ { +?? } {#r} 1-0