[Event "13th ECC qual. group 2"]
[Site "Eupen BEL"]
[Date "1997.09.22"]
[Round "1"]
[White "Wilson, Jonathan BRBC"]
[Black "Koch, Jean-Rene CE92"]
[Result "1-0"]
[WhiteElo "2315"]
[BlackElo "2495"]
[ECO "A87"]
[EventDate "1997.??.??"]
[Annotator "Tyomkin,D"]
[PlyCount "74"]

1.d4 f5 2.g3 Nf6 3.Bg2 d6 4.Nf3 g6 5.O-O Bg7 6.c4 O-O 7.Nc3 Qe8 8.d5 
    ( 8.b3 )
8...a5 
    ( 8...Na6 )
9.Nd4 Na6 10.e4 fxe4 11.Nxe4 Nxe4 12.Bxe4 Bh3 13.Re1 
    ( 13.Bg2 Bxg2 14.Kxg2 Nc5 15.Re1 Qf7 16.Be3 c6 17.Nf3 Bxb2 18.Rb1 Bc3 
    19.Rf1 Bf6 20.Bxc5 dxc5 21.dxc6 bxc6 22.Qe2 = {Lukacs,P-Dao Thien Hai/
    Budapest FS10 GM 19931/2-1/2(34)} )
13...Nc5 14.Bh1 Qa4? 
    ( 14...Qf7 {Tyomkin,D} 15.Be3 Rae8! 
        ( 15...e5 16.dxe6 Nxe6 17.Qd2 Rae8 18.Nxe6 
            ( 18.Bxb7? Bxd4 19.Bxd4 c5 -+ )
        18...Bxe6 19.Rac1 
            ( 19.Qxa5?! {Dautov} 19...b6 20.Qd2 Bxc4 =+ )
            ( 19.Bxb7?! {Dautov} 19...Rb8 20.Bd5 Bxd5 21.Qxd5 Qxd5 22.cxd5
            Rxb2 = )
        19...a4 N 
            ( 19...b6 20.b3 Kh8 = {- Van der Sterren,P-Nikolic, P/Ter Apel
            1994/CBM 40/[Dautov] (42)} )
        20.b3 axb3 21.axb3 b6 = 
            ( 21...c6? 22.Qxd6 
                ( 22.Bg2? Rd8 = {- Otero,E-Valdes,L/Hermanos Saiz 1992/EXT
                97} )
            22...Bxc4 23.Rxc4 Rxe3 24.Qxf8+! Bxf8 25.Rxe3 +/- )
        )
    16.Qd2 b6 17.b3 
        ( 17.Nc6?! Nd7 
            ( 17...e6! 18.Bxc5 $140 ? bxc5 )
        18.Bd4 Nf6 19.Re2 Bd7 = {Hirsch,J-Michalek,J/Brno Morava-C 
        1991/0-1(43)} )
        ( 17.Rab1 Kh8 18.b3 Bd7 19.a3 e5 20.dxe6 Nxe6 21.Bd5 Re7 22.Nxe6 
        Bxe6 23.Bg5 Bf6 24.Bxf6+ Qxf6 25.Bxe6 Rxe6 26.Rxe6 Qxe6 = {
        Sakurai,L-Quinteros,M/Villa Ballester op 1994/0-1 (57)} )
    17...Kh8 18.Rac1 Bd7! 19.h4 Qf6 20.Ne2 e6 21.dxe6 Nxe6 = {
    Akopian,V-Vyzmanavin,A/Novosibirsk 1993/1-0(60)} )
15.b3 Qb4 
    ( 15...Nxb3 16.Nxb3 
        ( 16.Bb2 Nc5 )
    16...Bxa1 17.Nxa1 Qxc4 18.Qb3 Qxb3 19.Nxb3 Rf7 20.Nd4 += {in this 
    position two light piece stronger than the rook and twoP })
16.Be3?! 
    ( 16.Rxe7!? N Bf6 $142 
        ( 16...Qc3 17.Be3 Rae8 
            ( 17...a4 18.Rc1 Qd3 19.b4 Rae8 20.Rxe8 Rxe8 21.bxc5 Rxe3 22.
            Ne6! +/- )
        18.Rc1 Qd3 19.Rxe8 Rxe8 20.Qxd3 Nxd3 21.Rd1 Nb4 22.a3 +/- )
        ( 16...Rae8 17.Rxe8 Rxe8 18.Bd2 Qb6 19.Be3 +/- )
    17.Re3 
        ( 17.Rxc7?? Bxd4 )
    17...a4 18.a3 
        ( 18.Bb2 axb3 19.axb3 Na4! 20.Rxa4 Rxa4 21.Nc2 
            ( 21.Bc3 Qxc3 22.Rxc3 Bxd4 )
        21...Bxb2 22.Nxb4 Ra1 ~= )
    18...Qb6 19.b4 Nb3 20.Nxb3 axb3 21.Rb1 Bd4 22.Rbxb3 Bxe3 23.Bxe3 += )
    ( 16.Bb2? Na4 )
    ( 16.Rb1? Nd3 )
16...a4 $36 17.a3 Qc3 18.Rc1 
    ( 18.b4?! Nb3 19.Nxb3 axb3 20.Rc1 Qb2 $36 )
18...Qb2 19.Rb1! N 
    ( 19.b4? {Tyomkin,D} 19...Nb3 20.Rb1 Qc3 
        ( 20...Qxa3 21.Nxb3 axb3 22.Rxb3 Qa6 23.Bd4 )
    21.Nxb3 axb3 22.Qxb3? 
        ( 22.Rc1 = )
    22...Rxa3! -/+ {Komarov,D-Piskov,Y/ Douai 1993} )
19...Qxa3 
    ( 19...Qc3? 20.Nb5 )
20.Nb5 Qa2 21.Re2 
    ( 21.b4 Na6 
        ( 21...Nb3? 22.Re2 )
    )
21...axb3 22.Bxc5 Bg4!? 
    ( 22...dxc5!? 23.Rxa2 bxa2 24.Ra1 $132 )
23.f3 Rxf3 24.Bd4 Rxg3+ 25.hxg3 Bxe2 26.Qc1 
    ( 26.Qxb3 Qxb3 27.Rxb3 Bxc4 28.Rb4 Bxb5 29.Bxg7 Kxg7 30.Rxb5 {and this
    position about a draw} )
26...Rf8 27.Bg2 Qc2?? 
    ( 27...Bxd4+ 28.Nxd4 Bxc4 29.Rb2 Qa7 30.Rd2 b5! $132 {black has 5! 
    pawns for a knight,but white has a good counterplay ( 30...Qa5 31.Ne6 
    ) ( 30...Qc5 31.Kh2 )} )
28.Bxg7 +- Kxg7 29.Nd4 Qxc1+ 30.Rxc1 b2 31.Rb1 Bxc4? 32.Ne6+ Kg8 33.Nxf8 
Kxf8 34.Rxb2 b5 35.Bf1 Bxd5 36.Rxb5 c6 37.Rb8+ Kg7 1-0

