[Event "13th ECC qual. group 7"]
[Site "Krynica POL"]
[Date "1997.09.16"]
[Round "2"]
[White "Macieja, Bartlomiej POLW"]
[Black "Sergeev, Vladimir DAPR"]
[Result "1-0"]
[WhiteElo "2470"]
[BlackElo "2455"]
[ECO "B17"]
[EventDate "1997.??.??"]
[Annotator "Blatny,P"]
[PlyCount "55"]

1.e4 c6 2.Nc3 d5 3.d4 dxe4 4.Nxe4 Nd7 5.Bd3 Ndf6 6.Ng5 g6 
    ( 6...Bg4 7.N1f3 Bh5 
        ( 7...e6 8.h3 Bxf3 9.Nxf3 Bd6 10.O-O Qc7 11.Qe2 Bf4 12.Bxf4 Qxf4 
        13.Rad1 Ne7 = {1/2-1/2 Nunn,J-Christiansen,L/Szirak izt 1987 (40)}
        )
    8.c3 e6 
        ( 8...Qc7 9.Qc2 h6 10.Ne6 Qd6 11.Nxf8 Bxf3 12.Ng6 Bxg2 13.Rg1 Qxh2
        14.Rxg2 Qxg2 15.Nxh8 Qh1+ 16.Bf1 Qe4+ 17.Qxe4 Nxe4 18.Bc4 e6 19.
        Bf4 Ke7 20.O-O-O b5 21.Be2 Ngf6 22.f3 Nh5 23.Be5 Neg3 24.Bd3 Rxh8 
        -+ {0-1 Riemersma, L-Van der Wiel,J/NLD-ch 1987 (39)} )
    9.Qb3 Qc7 10.Ne5 Bd6 11.Nc4 Be7 12.Ne5 Nd7 13.Nxd7 Qxd7 14.O-O Nf6 15.
    Re1 Rd8 16.Ne4 Nxe4 17.Bxe4 Qc7 18.g3 Rd7 19.Bf4 Qc8 20.Qa4 a6 21.Qa5 
    {Van der Wiel,J-Karpov,A/Optiebeurs 1988/CBM 07/ 1/2-1/2 (41)} )
    ( 6...h6 7.N5f3 e6 
        ( 7...Bf5 8.Ne5 Bxd3 9.Qxd3 Qd5 10.f3 Nd7 11.Nxd7 Qxd7 12.Bf4 e6 =
        {Winge,S-Angqvist,T/Rilton Cup 1987/1-0 (42) })
    8.Ne2 Bd6 9.c4 Ne7 10.Bd2 O-O 11.Qc2 c5 12.g4 Nc6 13.h4 Nxg4 14.Ng5 
    hxg5 15.Bh7+ Kh8 16.hxg5 Nh6 17.gxh6 g6 18.Bxg6 fxg6 19.Qxg6 Rg8 20.
    Qh5 cxd4 {1/2-1/2 Herlihy,B-Greenwood,A/AUS-chJM 1995/EXT 97} )
7.h3 
    ( 7.N1f3 Nh6 8.Bf4 Bg7 9.Qd2 Nd5 10.Ne6 Bxe6 11.Bxh6 Bxh6 12.Qxh6 Qa5+
    13.c3 O-O-O 14.O-O Qc7 15.g3 Nf6 16.Ng5 Qd7 17.Rfe1 Ng4 18.Qh4 Bd5 19.
    Nxf7 Bxf7 20.Rxe7 +- {1-0 Babrikowski,P-Seibicke,R/OLO-A 1994/GER 08 
    (28)} )
7...Bg7 8.N1f3 Nh6 9.O-O Qc7 10.Re1 O-O 11.Qe2 Nd5 
    ( 11...e6 12.Bd2 
        ( 12.Ne4 = )
        ( 12.Ne5!? )
    12...Nd5 13.Qf1 
        ( 13.c4 Nf4 14.Bxf4 Qxf4 {><Pd4} )
    13...Nf4 14.Bxf4 Qxf4 15.c3 
        ( 15.Re4 Qd6 16.Rae1 Nf5 17.c3 h6 -+ )
    15...Nf5 16.Re4 Qc7 17.Re2 = )
12.c4 Nb4 
    ( 12...Nf4 13.Bxf4 Qxf4 14.Qxe7 Nf5 15.Bxf5 Qxf5 +/- )
13.Bb1 
    ( 13.Bd2 Nxd3 14.Qxd3 Bf5 =+ )
13...e6 14.Ne4 
    ( 14.Bd2!? )
14...Nf5 15.Bg5 
    ( 15.Bd2 Na6 16.Bc3 Rd8 17.Rd1 Qb6 ~ )
15...Nxd4 16.Nxd4 Bxd4 17.Qd2 c5 
    ( 17...Qb6 18.Be7 
        ( 18.c5 Bxc5 19.Bf6 
            ( 19.Nf6+ Kh8 
                ( 19...Kg7 20.Bh6+ Kh8 
                    ( 20...Kxf6 21.Qg5# )
                21.Bxf8 Bxf8 ~ )
            20.Qf4 Nd5 21.Qh4 Nxf6 22.Bxf6+ Kg8 23.Qh6 Bxf2+ 24.Kh1 +- )
        19...Re8! 
            ( 19...Nd5 20.Qh6 Bxf2+ 21.Kh1 Nxf6 22.Nxf6+ Kh8 23.Qxf8# )
        20.Be5 Nd5 21.Nxc5 Qxc5 22.Re4 )
    18...Na6 19.Bxf8 Qxb2 20.Bc2 Kxf8 21.Rab1 Qxa2 22.Qxd4 Qxc2 23.Qh8+ 
    Ke7 24.Rbd1 +- )
18.Bf6 Bxf6 19.Nxf6+ Kg7 20.Qc3! e5 21.Rxe5! +- Qd8 
    ( 21...Kxf6 22.Rxc5+ +- )
22.Nxh7 f6 
    ( 22...Kxh7 23.Rh5+ Kg8 24.Rh8# )
23.Nxf8 fxe5 
    ( 23...Qxf8 24.Rg5! +- )
    ( 23...Kxf8 24.Bxg6 fxe5 25.Qf3+ Ke7 26.Qf7+ Kd6 27.Rd1+ +- )
24.Nxg6 Qd1+ 25.Kh2 Qd4 26.Nxe5 Qxf2 27.Nf3+ Kg8 28.Qf6 1-0

