[Event "It (young masters) (knockout)"] [Site "Lausanne (Switzerland)"] [Round "2"] [White "Papa Severin (SUI)"] [Black "Karjakin Sergey (UKR)"] [Result "0-1"] [WhiteElo "2411"] [BlackElo "2576"] [ECO "B90"] [Opening "Sicilian: Najdorf"] { } 1.e4 { 1 } 1...c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e6 7.Bb3 b5 8.Bg5 Be7 9.Qf3 Qc7 { ?/= } 10.e5 ( 10.O-O-O Nbd7 11.Rhe1 Nc5 12.Nf5 exf5 13.Bxf6 fxe4 14.Nxe4 O-O 15.Qg3 g6 16.Bxe7 Nxb3+ 17.Qxb3 Qxe7 18.Qc3 f5 19.Nxd6 Qg7 20.Qxg7+ Kxg7 21.Re7+ Kh6 22.f4 g5 23.Nf7+ Kh5 24.Nxg5 h6 25.Nf3 Rg8 26.g3 Kg4 27.Ne5+ Kh3 28.Rd2 Rb8 29.Nf7 Rb7 { ...1/2-1/2, Herrera Irisberto 2478 - Dominguez Lenier 2613 , Holguin 2002 Ch Cuba } ) 10...Bb7 ( 10...dxe5 11.Ndxb5 axb5 12.Qxa8 O-O 13.Qf3 Bb7 14.Qh3 b4 15.Ne2 Nbd7 16.O-O h6 17.Bxf6 Nxf6 18.c3 Ne4 19.Bc2 Ng5 20.Qg3 f5 21.h4 Nh7 22.Rad1 Nf6 23.Nd4 Nh5 24.Qg6 exd4 25.Qxh5 Qc6 26.Qf3 Qb6 27.Qg3 dxc3 28.bxc3 Qc6 29.cxb4 Bxh4 30.Qh3 { ...1-0, Naumann Alexander 2507 - Nemet Ivan 2439 , Rostock 2002 It } ) 11.exd6 Bxd6 12.Qe3 Bc5 13.O-O-O ( 13.Rd1 Bxd4 14.Qxd4 Nc6 15.Qh4 Qe5+ 16.Be3 O-O 17.O-O Rfd8 18.h3 Qf5 19.Ne2 Ne5 20.Qf4 Qxf4 21.Nxf4 Nc4 22.Bxc4 bxc4 { 1/2-1/2, Kersten Uwe 2369 - Naumann Alexander 2485 , Bad Zwesten 2001 It (open) } ) 13...Nc6 ( 13...Nbd7 14.Bxe6 O-O 15.Bb3 Rae8 16.Qh3 b4 17.Na4 Bd6 18.Kb1 Ne4 19.Be3 Ndf6 20.Rhe1 Bc8 21.Nf5 g6 22.Nh6+ Kg7 23.Qf3 Bb7 24.Qe2 Bf4 25.Ng4 Nxg4 26.Qxg4 Bxe3 27.Rxe3 Qxh2 28.Rh3 Qxg2 29.Qxg2 Nd2+ 30.Kc1 Bxg2 31.Rh4 Bf3 32.Rg1 Nxb3+ 33.axb3 { ...0-1, Mueller Karsten 2505 - Wahls Matthias 2595 , Gladenbach 1997 Ch Germany } ) 14.Bxf6 gxf6 15.Nd5 ( 15.Ne4 Bxd4 { } 16.Rxd4 Nxd4 17.Nxf6+ Kf8 18.Qxd4 Rd8 19.Qh4 Qe5 20.c3 h6 21.f4 Qe3+ 22.Kb1 Rd2 23.Rd1 Be4+ 24.Nxe4 Qxe4+ 25.Kc1 Rxd1+ 26.Bxd1 Qe3+ 27.Kc2 Kg7 28.Bf3 Rc8 29.Qg4+ Kh7 30.f5 Rc4 31.Qh5 Kg7 32.fxe6 Qxe6 33.h3 Rf4 34.a3 Qg6+ { ...1/2-1/2, Lobron Eric 2540 - Novikov Igor A 2614 , Bad Wiessee 1999 It (open) } ) 15...Qd8 { } 16.c3 Nxd4 { N } ( 16...Na5 17.Nf4 Nxb3+ 18.axb3 e5 19.Nh5 Rg8 20.Qh6 Rg6 21.Ng7+ Rxg7 22.Nf5 Qa5 23.Nxg7+ Ke7 24.Rhe1 Bxf2 25.Nf5+ Ke6 26.Rd6+ { 1-0, Berger Steve 2320 - Zoch Werner Dr 2150 , Germany 2000 Bundesliga (2nd) North 1999/00 } ) 17.cxd4 Ba7 18.Nf4 Qd6 19.Nh5 O-O-O 20.Nxf6 { ?! } ( 20.Kb1 { !? } 20...Bxd4 21.Qc1+ Kb8 22.f3 { } ) 20...Bxd4 { } {#R} 0-1