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  • CHESS INFORMANT 70 1

    A04Rotstein,A 2455Greenfeld,A 2540

    Montecatini Terme 1997[Greenfeld,A]

    70/1 1.Nf3 c5 2.g3 b6 3.e4 Bb7 4.Nc3 Nf6 5.e5N

    [ 5.d3 g6!? ( 5...d6 - 39/1 )] 5...Ng4 6.Bh3 Nxe5!

    [ 6...h5 7.0-0 A) 7...d6 8.e6!? ( 8.exd6 Qxd6 9.Re1>

  • CHESS INFORMANT 70 2

    9...a5 10.a3 axb4 11.axb4 Rxa1 12.Qxa1 Na6 13.Qa3 Qc7 14.Re1 d5 15.c4 dxe4

    [ 15...d4 16.c5 ] [ 15...dxc4 16.Nxc4 ]

    16.Nxe4 [ 16.dxe4 c5 17.b5 Nb4 ]

    16...Nxe4 17.Rxe4 c5 [ 17...f6 18.d4 f5 ( 18...Bf5 19.Re1 e4 20.Nh4 ) 19.Re1 e4 20.Ne5 /\ g4, f3,>

  • CHESS INFORMANT 70 3

    17...Rad8 18.Rad1 Bc6!? [ 18...Bxf4?! 19.gxf4 /\ f5, /\ Re3-g3 ] [ 18...c5 19.Bxd6 ( 19.d5 e5 ) 19...Qxd6 ( 19...Rxd6 20.dxc5 bxc5 21.Ne5 Red8? 22.Rxd6 Rxd6 23.Qf4 Kg8 24.Nxf7 ) 20.dxc5!? ( 20.Ne5 )]

    19.e5 Ba3 20.Bxc6 Nxc6 21.Re4!? [ 21.Qf3 Na5 22.g4 c5 ]

    21...Qd7?! [ 21...Na5!= /\ c5 ]

    22.Qf3 Bf8 [ 22...Na5 ]

    23.Be3! [ 23.g4 Ne7 24.g5 Nf5 ]

    23...Na5 [ 23...Kg8!? 24.Rg4 Kh8 ]

    24.g4! -> Nc4 25.g5 Nxe3 26.fxe3!? [ 26.Qxe3 ]

    26...hxg5 27.Rg4 [ 27.Rf1 Qc6! ]

    27...Qe7 [ 27...Be7 28.Qxf7 Rf8 29.Qg6+- ]

    28.Rf1 Rd7 29.Qg3 [ 29.Nf2? f5 ]

    29...f6 [ 29...Qa3 30.Rxg5 Qxc3 31.Nf4+- ]

    30.e4 [ 30.exf6 gxf6 31.Nf4 Kh7 32.Ng6 Qd8 ] [ 30.h6!? gxh6 ( 30...c5 31.hxg7+ Bxg7 32.Nf4!? ) 31.exf6 Qh7 32.Ne5 Rd5 33.e4 Ra5 ]

    30...Qa3 [ 30...Qd8 31.h6! ( 31.exf6 gxf6 32.e5 f5 33.Rxg5 Qxg5 34.Qxg5 Rg7 ) 31...gxh6 ( 31...c5 32.hxg7+ Bxg7 33.exf6 Bxf6 34.e5 Bg7 35.Rxg5 cxd4 36.Rh5+ Kg8 37.Qg6+- ) 32.exf6 ] [ 30...c5!? 31.h6 ( 31.exf6 gxf6 32.Nf4 Kh7 33.Ng6 Qd8 ; 31.Kh2!? cxd4 32.exf6 gxf6 33.e5 ) 31...cxd4 ( 31...gxh6 32.exf6 Qh7 33.Ne5+- ) 32.hxg7+ Bxg7

    A) 33.exf6 Bxf6 34.e5 ( 34.Ne5 Bxe5 35.Qxe5+ Qg7 36.Rf6 dxc3 ) 34...Bg7 35.Rxg5 ( 35.cxd4 Rf8 ) 35...Bh6 36.Rg6 ( 36.Rh5 Qg7 ) 36...Qh7 ; B) 33.Kg2 dxc3 34.exf6 Bxf6 35.e5

    B1) 35...Rxd3 36.Qxd3 Qb7+ ( 36...Bxe5 37.Qg6 Qb7+ 38.Re4 ) 37.Rf3 ; B2) 35...Bg7 36.Rxg5 Kg8 37.Rh5 Rf8 38.Rfh1 Rf5 ;

    C) 33.Rf2 dxc3 34.exf6 Bxf6 35.e5

    Bg7 36.Rxg5 Kg8 37.Rh5 Rf8 ; D) 33.Nf4! gxf4 ( 33...Qf7 34.Qh3+ Kg8 35.Nh5 ) 34.Qh4+ Kg8 ( 34...Bh6 35.Qxh6+ Qh7 36.Qxf6+ Rg7 37.Kf2+- ) 35.exf6

    D1) 35...Qf8 36.fxg7 Rxg7 37.Rfxf4+- ; D2) 35...Qc5 36.Kh1 Rf8 ( 36...Ree7 37.fxe7 Rxe7 38.cxd4 )

    D2a) 37.fxg7 Rxg7 38.Rxg7+ Kxg7 39.Qg4+ ( 39.Rg1+ Kf7 40.Qxf4+ Ke8 41.Qb8+ Ke7= ) 39...Kh8! ( 39...Kf7 40.Qxf4+ Ke8 41.Qb8+ ; 39...Kh6 40.Qxe6+ Kh7 41.Rf2+- ) 40.Rg1 Qc7 41.Rg2 f3 42.Rh2+ Qxh2+ 43.Kxh2 f2= ; D2b) 37.Rfxf4! dxc3 ( 37...Qxc3 38.fxg7 Qc1+ 39.Rg1 Qxg1+ 40.Kxg1 Rxg7+ 41.Rg4+- ; 37...Rff7 38.fxg7 Rxg7 39.Rxg7+ Rxg7 40.Qd8+ Kh7 41.Rh4+ Kg6 42.Qe8+ Kf6 43.Rh6+ Ke5 44.Qxe6+ Kf4 45.Qf6+ Kxe4 46.Qxg7+- ; 37...Rxf6 38.Qxf6 Qh5+ 39.Kg2+- ) 38.Rxg7+ Rxg7 39.fxg7 Kxg7 40.Qg3+ Kh6 41.Rh4++- ;

    D3) 35...Qd8 36.Qh6 Ree7 ( 36...Qc7 37.Kh1 ) 37.Kh1 ( 37.Rfxf4 dxc3 38.fxg7 Rxg7 39.Qxe6+ Kh7 ; 37.cxd4 Rf7 38.fxg7 Rxg7 39.Qxe6+ Rdf7 40.Rxg7+ Kxg7 41.Qe5+ Kg8 42.Rf2 ) 37...Rf7 ( 37...dxc3 38.Rfg1 Qf8 39.Rh4+- ) 38.fxg7 Rxg7 39.Rfg1 Qf8

    D3a) 40.Qxe6+ Kh8 41.Qe5!? Rde7 ( 41...Kg8 42.cxd4 ; 41...dxc3 42.Rh4+ Kg8 43.Qe6+ Rdf7 44.Rxg7+ Qxg7 45.Rg4 ) 42.Rh4+ Kg8 43.Rxg7+ Qxg7 ( 43...Rxg7 44.Qd5+ Rf7 45.Qh5+- ) 44.Qb8+ Kf7 45.Qd8 Qg5 ; D3b) 40.cxd4 Rde7 41.Rxg7+ Rxg7 42.Qxe6+ ]

    31.exf6 Qxc3? [ 31...gxf6 32.e5 ( 32.Nf4 Kh7 33.Nh3 ) 32...f5 ( 32...Qxc3 33.exf6 ) 33.Rxg5

    A) 33...Rg7 34.Nf4 ( 34.Rxg7 Bxg7 35.Nf4 Rg8 ) 34...Rxg5 35.Qxg5 Qxc3/\ 36.Ng6 Kh7 37.Nf8 Rf8 38.Qg6 Kh8 39.Qh6 Kg8 40.Qe6 Rf7 36.Kh1!+- ;

    B) 33...Bh6 34.Rg6 Rh7 35.Rf2 B1) 35...Qxc3 36.Rg2 Qa1+

  • CHESS INFORMANT 70 4

    ( 36...Qxd4+ 37.Kf1 Qd8 38.Rxh6 ) 37.Kh2 Bg7 38.Nf4 Re7 39.Rf6 Kg8 40.Qf3+- ; B2) 35...Qf8 36.Rg2!? ]

    32.f7 Rc8 [ 32...Red8 33.Ne5 ( 33.d5!? ) 33...Qxg3+ 34.Rxg3 Rxd4 35.Nc6+- ] [ 32...Ree7 33.Ne5 ]

    33.d5! exd5 34.e5+- c5 35.Rf3 [ 35.Rxg5! c4 36.h6 g6 37.Rxg6 Qxd3 38.Rg8+ Kh7 39.Rh8+! Kxh8 40.Qg8# ]

    35...c4 36.Nf2 Qe1+ [ 36...Qc1+ 37.Kg2 c3 ( 37...Be7 38.e6 Rd6 39.Qe5 /\ h6 ) 38.Rxg5 c2 39.h6 Qxg5 40.Qxg5 c1Q 41.hxg7+ Bxg7 42.Rh3+ ]

    37.Kg2 Be7 [ 37...c3 38.Rxg5 c2 39.h6 c1Q 40.hxg7+ Bxg7 41.Qh3+ ]

    38.Rxg5! Bxg5 39.f8Q+ [ 39.f8Q+ Rxf8 40.Rxf8+ Kh7 41.Qxg5 ]

    1-0

    A13Marin,M 2530Ionov,S 2525

    Benasque 1997[Marin,M]

    70/5 1.Nf3 Nf6 2.c4 e6 3.g3 a6 4.Bg2 b5 5.b3 c5 6.Nc3 Qb6 7.0-0 Bb7 8.Bb2N

    [ 8.e3 - 54/9 ] 8...Be7

    [ 8...bxc4 9.bxc4 Qxb2 10.Rb1 Qa3 11.Rxb7 ]

    9.d4!? [ 9.e3 0-0 10.Qe2 ]

    9...cxd4 10.Qxd4 Qxd4 [ 10...Bc5 11.Qh4 ]

    11.Nxd4 Bxg2 12.Kxg2 Nc6! [ 12...bxc4 - 70/(5) ]

    13.Rfd1 /\ cb5 [ 13.Nxc6 dxc6= ]

    13...Rb8 [ 13...bxc4?! 14.Nxc6 dxc6 15.bxc4 Rb8 16.Na4 ] [ 13...Nxd4 14.Rxd4 bxc4 ( 14...Bc5 15.Rd3 bxc4 16.bxc4 Ke7 17.Na4 ) 15.Rxc4 d5 ( 15...0-0 16.Rc1 d5 17.Rc7 ) 16.Rc7! ( 16.Rc6 Kd7 17.Rb6 Rhb8 ; 16.Ra4 0-0 17.e4= ) 16...Bd6?!

    17.Rb7 0-0 18.Rc1 Rfc8 19.Na4 ] 14.Nxc6

    [ 14.Rab1?! 0-0= 15.e3?! Rfc8 ] 14...dxc6 15.cxb5 cxb5

    [ 15...axb5!? Suba,M ] 16.e3! 0-0 17.Ne2 Rfc8!

    [ 17...Rfd8 18.Rxd8+ Rxd8 19.Nd4 Rc8 20.a4 bxa4 ( 20...Rb8 21.axb5 axb5 22.Nc6 ; 20...b4 21.Rc1 ) 21.Rxa4 Ra8 22.b4 Nd5 23.b5 a5 24.Nc6 ]

    18.Rac1 Rxc1?! [ 18...Nd5 19.e4 Nb4 ( 19...Rxc1 20.Nxc1! >

  • CHESS INFORMANT 70 5

    A13Schwartzman,G 2510Serper,G 2550

    Los Angeles 1997[Serper,G]

    70/6 1.c4 e6 2.g3 d5 3.Nf3 dxc4 4.Qa4+ Nd7 5.Qxc4 a6 6.Qb3 b5 7.Bg2 Bb7 8.0-0 Ngf6 9.d3 Be7

    [ 9...c5 10.a4 ] 10.Nc3 0-0 11.a4 Nc5! 12.Qd1!?N

    [ 12.Qc2 b4! 13.Nb1 ( 13.Nd1 Bd5 ) 13...e5! 14.Nxe5? Bxg2 15.Kxg2 Qd5+ 16.Nf3 Nb3 17.e4 Nxa1-+ ]

    12...b4! 13.Nb1 e5! 14.Nbd2 [ 14.Nxe5? Bxg2 15.Kxg2 Qd5+ 16.Nf3 Nb3 17.e4 Nxe4!-+ ]

    14...e4 15.dxe4 Nfxe4 16.Nxe4 Qxd1 17.Rxd1 Bxe4 18.Be3! [] Rad8

    [ 18...Nb3? 19.Nd4! Bxg2 ( 19...Nxa1?? 20.Bxe4+- ) 20.Nxb3 /\ Bc5 ]

    19.Rxd8 [ 19.Nd4!? ]

    19...Rxd8 20.Nd4 Bf6 21.Bxe4 Bxd4 [ 21...Nxe4? 22.Nc6 Rd6 23.Nxb4 Bxb2 24.Rb1+- ]

    22.Rd1 Nxe4 23.Rxd4 Rxd4 24.Bxd4 c5 25.f3!

    [ 25.Be3 c4 ] 25...cxd4

    [ 25...Nxg3? 26.Bxc5 Nxe2+ 27.Kf1 Nf4 28.Bxb4 ]

    26.fxe4 P 3/d3 Kf8?? [ 26...f6? 27.Kf2 Kf7 28.e3 dxe3+ 29.Kxe3 Ke6 30.Kd4 ] [ 26...g5! 27.Kf2 Kg7 28.e3 d3! 29.Ke1 ( 29.e5? f5! 30.exf6+ Kxf6 31.e4 Ke5 32.Ke3 d2 33.Kxd2 Kxe4 34.Ke2 g4-+ ) 29...Kf6 30.Kd2 Ke5 31.Kxd3 h5!? 32.Kc4! Kxe4 33.Kxb4 Kxe3 34.Kc5 f5 35.b4 f4 36.gxf4 gxf4 37.b5 axb5 38.axb5 f3 39.b6 f2 40.b7 f1Q 41.b8Q Qf5+ 42.Kc6 Qe6+ 43.Kc5= ]

    27.Kf2 Ke7 28.e3 d3 29.Ke1 Ke6 30.Kd2 Ke5 31.Kxd3 a5

    [ 31...g5 32.g4!+- ] 32.Kc4 Kxe4 33.Kb5 f5 34.Kxa5 g5 35.Kxb4 Kxe3 36.a5 f4 37.a6 f3 38.a7 f2 39.a8Q f1Q 40.Qa7++- Kd2 41.Qd4+! Ke1 42.Qe3+ Kd1 43.Qxg5 Qe1+ 44.Ka3 Qe4 45.Qf4 Qd3+ 46.Kb4 Qd7 47.Kc3! Qc8+ 48.Qc4 Qh3 49.Qd3+ Ke1 50.g4 Qh6

    51.Qg3+ Ke2 52.Qe5+ Kf3 53.Qf5+ Ke2 54.Qc2+ Ke1 55.Qe4+ Kf1 56.Qf3+ Ke1 57.g5 Qg7+ 58.Kc2 Qg8 59.h4 Qe8 60.b3 Qe7 61.h5 Qe8 62.Qg3+ Kf1 63.Qd3+ Kf2 64.g6 hxg6 65.hxg61-0

    A16Gurevich,M 2620Nijboer,F 2605

    Antwerpen (open) 1997[Gurevich,M]

    70/7 1.c4 Nf6 2.Nc3 g6 3.g3 Bg7 4.Bg2 0-0 5.d3 d6 6.Rb1

    [ 6.Bg5 h6 7.Bd2 c6 8.e4 d5!? ( 8...Nbd7- 66/8 ) 9.cxd5 cxd5 10.exd5 Na6!? ]

    6...c6 [ 6...e5 - 12/50 ]

    7.e4!?N [ 7.Nf3 d5= ]

    7...d5!? [ 7...e5 ]

    8.exd5 cxd5 9.cxd5 [ 9.Nxd5 Nxd5 10.cxd5 ( 10.Bxd5 Nc6 ) 10...Qa5+ 11.Bd2 Qxa2 ]

    9...Na6!? /\ 10...Nb4,10...Nc7 10.Nge2 Bg4!? [ 10...Nb4 11.Nf4 g5 12.a3!? gxf4 13.axb4 fxg3 14.hxg3 Bf5 15.Bh6 ]

    11.h3 [ 11.0-0 Nb4 12.Qb3 Bxe2 13.Nxe2 Nbxd5 14.Qxb7?! Qa5! ]

    11...Bxe2 12.Kxe2!? [ 12.Qxe2 Nb4 13.0-0 Nfxd5 14.Nxd5 Nxd5 15.Bg5 Qd7 ]

    12...Nc7 [ 12...Qd7!? 13.Re1 Rfd8 14.Kf1 Nb4 ]

    13.Qb3 b5! /\ b4 [ 13...e6 14.Bg5!? Ncxd5 15.Nxd5 exd5 16.Rhe1! h6 17.Bxf6 Qxf6 18.Kf1 ] [ 13...Rb8 14.Be3 ]

    14.Be3!? >

  • CHESS INFORMANT 70 6

    [ 14.d6 Ne6 15.Be3 Rb8 16.Bxa7 ( 16.dxe7 Qxe7 17.Kf1 Rfd8 18.Rd1 h5! ) 16...Qd7 17.Be3 Qxd6 ]

    14...b4! [ 14...a5?! 15.d6 Qxd6 16.Bxa8 ] [ 14...Rb8 15.Bxa7 Rb7 16.Bd4 ]

    15.d6! [ 15.Qxb4 Ncxd5 16.Nxd5 Nxd5

    A) 17.Qb7 Nxe3 18.Qxa8 ( 18.fxe3 Qd6! ) 18...Qa5 19.Qe4 Nxg2 20.Qxg2 Bxb2! 21.Rhd1 Qxa2 22.Kf1 Bd4 ; B) 17.Bxd5 Qxd5 18.Qc4 Qd7!/\ Rfc8 ]

    15...Qxd6 16.Bxa8 [ 16.Ne4?! Nxe4 17.dxe4 Qa6+! ]

    16...bxc3 17.Bb7! >

  • CHESS INFORMANT 70 7

    21.Bb2 Nc4 22.Bd3 [ 22.Bxb7 Qd7 ( 22...Qd6 23.d4 c6 24.Qa6 Nd2 25.Qxc6 Nxb1 26.Rxb1 Qxc6 27.Bxc6 Rfc8 28.Be4 ) 23.Qa6 ( 23.d4 c6 24.Qa6 Nd2 25.Bxc6 Qf5 26.Qe2 Nxb1 27.Be4 Qb5 28.Qxb5 Rxb5 29.Rxb1 Rfb8-+ ) 23...Qxd2 24.Qxc4 Rxb7 ]

    22...Qd5 23.Bxc4 Qxc4 24.Ba1! [] [ 24.Rxe7 Qd3 ]

    24...e6 25.Rxb7 Rxb7 [ 25...Ra8 26.Rxc7 Rxa7 27.Rxc4 Rxa2 28.Rb4 Rxd2 29.c4= ]

    26.Qxb7 Qxa2 27.d4 Qc4 28.Bb2 h5?! [ 28...Rd8 29.Ra1 Bf8 30.Ra7 Kg7! 31.Kg2 ( 31.Qxc7?? Qxc7 32.Rxc7 Rb8-+ ) 31...Bd6 ]

    29.h4 Rd8 30.Ra1 Bf8 31.Ra7 Kg7 32.Kg2

    [ 32.Qxc7?? Qxc7 33.Rxc7 Rb8-+ ] 32...Bd6 33.Ba3! Qxc3 34.Bxd6 Rxd6 35.Qxc7 Qxc7 36.Rxc7 Rxd4 37.Ra7 Rd3 38.Ra6 Rd7 39.Kf3 Rb7 40.Kg2 Kf6 41.Kf3 Kf5 42.Ra5+ e5 43.Rc5 f6 44.R