[Event "13th ECC qual. group 6"]
[Site "Heraklio GRE"]
[Date "1997.10.11"]
[Round "2"]
[White "Petrik, Karol DNBR"]
[Black "Bogdanovski, Vlatko ALKS"]
[Result "0-1"]
[WhiteElo "2225"]
[BlackElo "2480"]
[ECO "B02"]
[EventDate "1997.??.??"]
[Annotator "Finkel,A"]
[PlyCount "98"]

1.e4 Nf6 2.e5 Nd5 3.g3!? {The idea of grandmaster Rozentalis.} 3...d6 4.
exd6 
    ( 4.c4 Nb6 5.exd6 exd6 6.d4 Be6 $132 )
4...cxd6 
    ( 4...exd6 5.Bg2 Nf6 6.d4 d5 7.Nf3 Be7 8.O-O O-O 9.Ne5 Nbd7 10.Nc3 c6 
    11.f4 += {Rozentalis-Apel/ Germany/1994/} )
5.Bg2 Nf6 
    ( 5...Nb6 6.b3 {><Nb6} )
6.d4 
    ( 6.b3 g6 7.Bb2 Bg7 8.Ne2 O-O = {/^h1-a8:<->c} )
6...g6 7.Ne2 
    ( 7.b3 $142 {/\Bb2,Nd2,Ngf3,h3+/ = [+]} )
    ( 7.c4 Bg7 8.Nc3 O-O 9.Nf3 Nc6 {/\Bg4,e5} )
7...Bg7 8.O-O O-O 
    ( 8...d5 9.h3 O-O 10.Nd2 Nc6 11.c3 e5 ~ {~~ 
    Rozentalis,E-Horvath,C/Debrecen 1992} )
9.c3?! {Passive continuation after which white hardly can hope to get any 
opening advantage.Much more logical is 9.c4!?:} 
    ( 9.c4 Nc6 10.Nbc3 Bf5 
        ( 10...Bg4 11.Be3 Qd7 12.f3 Bh3 13.d5 Ne5 14.b3 += Bxg2 15.Kxg2 e6
        16.Rc1 exd5? 
            ( 16...Rfe8 += )
        17.Nxd5 Nxd5 18.Qxd5 Rfe8 19.Bf4! +/- {Rozentalis, 
        E-Yermolinsky,A/Rakvere 1993 (36)} )
        ( 10...a6 11.b3 Rb8 
            ( 11...Qc7 {/\Re8,e5} 12.Bb2 Re8 13.Rc1 Bg4 ~ )
        12.h3 Bd7 13.d5 
            ( 13.Be3!? {/\Qd2} )
        13...Na5 
            ( 13...Na7?! 14.Be3 b6 15.a4 Qc7 += )
        14.Bb2 $142 
            ( 14.Be3 b5 $132 )
            ( 14.Nd4?! Qc8 {><Nc3,Ph3} 15.Kh2 
                ( 15.Qe1 Bxh3 16.Qxe7 Bxg2 17.Kxg2 Qc5! {/\Re8 })
            15...b5 16.Rb1 $8 bxc4 17.b4 Nb7 18.Be3 Nd8 -/+ {
            Rozentalis,E-Hjartarson,J/ Tilburg 1994 (40)} )
        )
    11.h3 h5 
        ( 11...a6 12.b3! Rb8 13.Be3 h5 14.d5 Na5 15.Nd4 Bd7 16.a4 Qc8 17.
        Kh2 += {Rozentalis,E-Pribyl Josef/It (open), Schaan 
        (Liechtenstein) 1996 (41)} )
    12.Be3 Qc8 13.Kh2 e5 14.Rc1 Re8 15.Nb5 Qb8 16.d5 += {
    Savic,M-Stevanovic,G/JUG-chT Nis 1994 (33)} )
9...Nc6 10.Na3 Bf5 11.Nc4 Qc8 = 12.Re1 
    ( 12.d5 Nb8 13.Ne3 Bh3 14.Bxh3 Qxh3 15.Nf4 Qc8 16.Qe2 = )
12...Re8?! 13.Ne3 
    ( 13.Nf4!? Qc7 14.Ne3 Bd7 15.Ned5 Nxd5 16.Nxd5 Qd8 17.Qb3 += )
13...Bh3 14.Bxh3 
    ( 14.Bh1 e5!? 15.dxe5 dxe5 16.Nd5 Nxd5 17.Bxd5 Qc7 =+ )
14...Qxh3 15.Nf4 Qd7 16.Nfd5?! {White is playing without plan trying just 
to exchange the pieces,which is not very clever strategy;nevertheless his 
position is quiet solid and it's not so easy for black to breakthrough.} 
16...Nxd5 17.Nxd5 e6 18.Nf4 Na5! {Preparing b5} 19.b3 b5 20.Be3 
    ( 20.a4 b4! 21.cxb4 Nc6 22.Bb2 Nxb4 23.Rc1 Rec8 24.Qd2 a5 =+ )
20...Qb7! {The position still remaines equal,but black has clear plan how 
to increase the pressure while white has no real target to play against.} 
21.Rc1 Rac8 22.Qd2 Nc6 {Transferring the knight to d5 from where it will 
attack the pawn on c3.} 23.Nd3 
    ( 23.d5 Ne5 24.Kg2 Ng4! 25.f3 Nxe3+ 26.Rxe3 e5 27.Ne2 Bh6 =+ )
23...Ne7 24.Bh6 Bh8 25.Bg5 Nf5!? =+ {Threatening to destroy white's center
by a5 and b4.} 26.g4 
    ( 26.a3 Qd5! )
26...Ne7 27.Bf4 Red8 28.Qe2 Rd7 29.Bd2 Rdc7 30.Nf4 Nd5 31.Qf3 {Inspite of 
the fact that black has achieved almost everything is still not so 
simple:white's only weakness is a pawn on c3 and without the knights it's 
not easy to attack it.} 31...Nxf4 32.Qxf4?! 
    ( 32.Qxb7!? Nh3+ 33.Kg2 Rxb7 34.Kxh3 a5 35.a3 =+ )
32...Qd5 33.Qe4? {If the previous move of white was inaccuracy this one is
decisive mistake after which white's position becomes hopeless.After} 
    ( 33.Rcd1 a5 
        ( 33...b4?! 34.c4 Qa5 35.Qxd6 Qxa2 36.Qg3 Bxd4 37.Bxb4 = )
    34.Qe4 Qxe4 35.Rxe4 d5 36.Re2 =+ {white keeps good drawing chances.} )
33...Qxe4 34.Rxe4 b4 -/+ 35.c4 d5 36.Rf4 a5! -+ {The arising ending is 
lost.} 37.c5 g5 38.Rf3 Bxd4 39.Bxg5 Rxc5 40.Rd1 Be5 41.Kg2 Rc2 42.Bf6 Bxf6
43.Rxf6 Rxa2 44.Rd4 Re2 45.Rdf4 Rc7 46.g5 Re5 47.h4 Rd7 48.Rd4 Re4 49.Rxe4
dxe4 0-1

