[Event "13th ECC qual. group 7"]
[Site "Krynica POL"]
[Date "1997.09.16"]
[Round "2"]
[White "Rozentalis, Eduardas POLW"]
[Black "Jansa, Vlastimil DAPR"]
[Result "1/2-1/2"]
[WhiteElo "2645"]
[BlackElo "2480"]
[ECO "B53"]
[EventDate "1997.??.??"]
[Annotator "Har Zvi"]
[PlyCount "64"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 a6 5.Bg5 
    ( 5.Be3 Nc6 
        ( 5...e5 6.Qd2 
            ( 6.Qa4+ Nc6 7.Bc4 Qa5+ 8.Nc3 Qxa4 9.Nxa4 b5 10.Bd5 Nge7 11.
            Nb6 Rb8 12.Nxc8 Rxc8 13.Bb3 Na5 14.O-O Nec6 15.c3 += {/+/- 
            Panchenko,A-Raskhovsky,N/ Tashkent 1980} )
        6...Nf6 7.Nc3 Qc7 8.a4 Bg4 9.Be2 Nbd7 10.h3 Bh5 11.Nh4 Bg6 12.Nxg6
        hxg6 13.O-O += {/+/- Antunes,A-Rodriguez,R/Manila (ol) 1992} )
    6.Qd2 e6 7.Nc3 Be7 8.O-O-O Qc7 9.Bf4 Ne5 10.Qd4 f6 11.Qa4+ Bd7 12.Bb5 
    Nc6 13.Qa3 e5 14.Nd5 +/- {Tseitlin,Mark-Zaichik,G/Krasnoirsk 1981} )
5...Nc6 6.Qd2 h6 
    ( 6...Nf6 7.Bd3 e6 8.c4 Be7 
        ( 8...h6 9.Bf4 d5?! 10.exd5 exd5 11.O-O Be7 12.Nc3 Bg4? 
            ( 12...dxc4 += )
            ( 12...Be6 += )
        13.cxd5 Bxf3 
            ( 13...Nxd5 14.Be4 )
        14.dxc6 Bxc6 15.Rad1 +/- {Kamsky,G-Lautier,J/Dortmund 1993;57/ 193
        [Kamsky,G]} )
    9.Nc3 b6 10.O-O Bb7 11.Rac1 h6 12.Bh4 g5 13.Bg3 Nh5 $36 {
    Grosar,A-Ehlvest,J/Moscow (ol) 1994;EXP 44} )
7.Bh4 g5 8.Bg3 Bg7 9.Nc3 
    ( 9.c3?! Nf6 10.Bd3 d5 11.exd5 Qxd5 12.O-O Bf5 13.Bxf5 Qxf5 14.Na3 O-O
    15.Nc2 Ne4 =+ {Tseitlin,Mark-Lerner,K/Moscow 1983} )
9...Be6 
    ( 9...Nf6 10.O-O-O Nh5 11.Nd5 Be6 12.Kb1 Rc8 13.c3 f5? 
        ( 13...O-O $132 )
    14.exf5 Bxf5+ 15.Bd3 {Rozentalis,E-Tyomkin,D/Beer-Sheva 1997;CBM 58} )
    ( 9...Bg4 )
10.Nd5?! 
    ( 10.Bd3 )
    ( 10.Be2 )
10...Nf6 11.Nxf6+ Bxf6 12.c3 Qa5! {black is already better,by actually 
doing nothing,white's bishop on "g3" is very bad,plus after g4 by black 
white does not really has a place for his knight} 13.Be2 
    ( 13.h3!? {just preventing g4} )
13...g4 14.Nh4 
    ( 14.Ng1 h5 )
14...Rd8! 
    ( 14...Qh5?! 15.h3! Bxh4? 16.hxg4 )
15.f4?! {I do not really know if white sacrifised a pawn here,or simply 
missed that after 15...Qh5 now he can not play 16.h3 because of 16...Bxh4 
17.Hxg4 Bxg3 check!,but if he wanted to sacrifise his pawn he could play 
0-0 and get better chances} 
    ( 15.O-O $142 !? Qh5 
        ( 15...d5 16.exd5 Rxd5 17.Qe3 Rh5? 18.Ng6 )
    16.Nf5 Bxf5 17.exf5 Qxf5 18.f3 ~= )
15...Qh5 16.Nf5 $8 
    ( 16.h3 Bxh4 17.hxg4 Bxg3+ )
16...Bxf5 17.exf5 Qxf5 18.h3 
    ( 18.O-O h5 -/+ )
18...gxh3 19.Rxh3 d5 
    ( 19...Rg8 20.O-O-O )
20.Bd3 
    ( 20.O-O-O Nb4! 
        ( 20...d4 21.c4 )
    21.Bc4 Rc8 22.Bb3 d4 $36 )
20...Qg4 21.Kf1 
    ( 21.Be2 Qg7 )
21...h5 
    ( 21...Rg8!? )
    ( 21...Bg7 22.Bf2 )
22.Re1 h4 23.Bh2 Rg8 24.a3 {to be honest the position is not simple,but 
the question is not who is better,but how can black convert his advantage 
into a win} 24...Kf8 
    ( 24...Na5!? )
25.f5 d4 26.c4 
    ( 26.cxd4 Qxd4 )
26...Bg5 27.Qe2 Be3?! 
    ( 27...Qxe2+ 28.Bxe2 Bf6 -/+ )
28.Qxg4 Rxg4 29.Be2 Rg5 
    ( 29...Re4?? 30.Bf3 )
30.Bd3! 
    ( 30.Rxh4 Rxf5+ 31.Bf3 Kg7 -/+ )
30...Rg4 {just going for a draw it was possible to play 30...Rh5 when 
after 31.b4 white has compensation but I think black is still better} 
    ( 30...Rh5 31.b4 )
31.Be2 Rg5 32.Bd3 Rg4 1/2-1/2

