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Lajos Portisch vs Joel Benjamin
Szirak Interzonal (1987), Szirak HUN, rd 11, Jul-31
Benoni Defense: Classical Variation. General (A70)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
Oct-07-13  whiteshark:

[Event "izt, Szirak 44/76 (Portisch,L)"]
[Site "izt, Szirak 44/76 (Portisch,L"]
[Date "1987.??.??"]
[Round "?"]
[White "Lajos Portisch"]
[Black "Joel Benjamin"]
[Result "1-0"]
[ECO "A60"]
[Annotator ",mginsbur"]
[Plycount "109"]
[Eventdate "1987.??.??"]
1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 exd5 5.cxd5 Bd6 6.Nc3 Bc7 7.Nd2 ( 7.d6 Ba5 8.Bf4 O-O 9.e3 Nc6 10.Be2 Bxc3+ 11.bxc3 Qa5 12.Qc2 b6 13.O-O Ba6 14.c4 Rfe8 ) 7...d6 8.Nc4 a6 9.a4 Nbd7 10.Bg5 O-O 11.e4 Re8 12.Bd3 Rb8 13.Ne3 h6 14.Bh4 Ne5 Black is fine. 15.O-O Bd7 16.Bc2 Ng6 ( 16...b5 17.axb5 axb5 18.Ra7 g5 19.Bg3 c4 20.Ra1 Bb6 21.h3 b4 22.Ne2 Rc8 23.Nd4 b3 24.Bb1 Nd3 25.Bxd3 cxd3 26.Qxd3 Nxe4 27.Ne6 Bxe6 28.dxe6 Rxe6 ) 17.Bg3 b5 18.axb5 axb5 19.f3 c4 ( 19...Nh5! 20.Bf2 Nhf4 ) 20.Ne2 Nh5 21.Bf2 Bb6 Black is better. 22.g3 Ne5 23.Kg2 b4 ( 23...Nf6! 24.Nd4? Nd3 25.Bxd3 Bxd4 ) 24.Re1 ( 24.Ba4! ) 24...Rc8 25.Ng1 Nf6 ( 25...b3 26.Bb1 Nf6!? The soild choice. ( 26...g5?! 27.f4? gxf4 28.Qxh5 fxe3 29.Bxe3 Ng4 30.Bxb6 Qxb6 31.Re2 c3 32.bxc3 Rxc3 Black is completely winning. ) ) 26.Rc1 Bc5 ( 26...b3! 27.Bb1 Ba5 28.Rf1 c3! ( 28...Bb5?! 29.Ne2 c3 30.Nxc3 Bxf1+ 31.Nxf1 Bxc3 32.bxc3 Much technical work left; black only somewhat better. ) 29.bxc3 ( 29.Qxb3 Rb8 30.Qa3 cxb2 31.Rc2 Bb5 32.Rd1 Bb6 33.Rxb2? Bxe3 34.Bxe3 Nc4 Black wins. ) 29...b2 30.Rc2 Ba4 Black wins. ) 27.Nf1 Bxf2 28.Kxf2 Qb6+ 29.Kg2 Ra8 ( 29...b3 30.Bb1 c3 31.Rxc3 Rxc3 32.bxc3 Rc8 33.Qd4 Qa5 34.Ne2 Bh3+ 35.Kxh3 Nxf3 36.Qf2 Nxe1 37.Qxe1 g6 38.Kg2 ) 30.Bb1 Rec8 ( 30...Qc5 ) 31.Ne3 c3 32.b3 Ra3 Black still way on top. 33.h3 Bb5 ( 33...g5 34.f4 gxf4 35.gxf4 Ng6 36.f5 Nf4+ 37.Kf3 N6h5 38.Ng2 c2 39.Rxc2 Rxb3+ 40.Re3 Rxe3+ 41.Nxe3 Ra8 Black is completely winning with the Ra3 threat. ) 34.f4 Ned7 35.Nf3 Re8 ( 35...Nc5 36.Nf5 Rd8 37.N3d4 Bd7 38.Ne3 Qb7 39.Nc4 Ra6 Black has done a lot of retreating but still has a good game! ) 36.Nf5 Nc5? ( 36...Qc5! This move keeps control. ) 37.e5 dxe5 ( 37...Nxb3 38.exf6 White wins ) 38.fxe5 Q Now white is all right. 38...Nxd5 39.Qxd5 Bc6 40.Qd4 Rxb3 41.e6 f6 42.e7? ( 42.Bc2 Ra3 43.e7 ) 42...Bxf3+ 43.Kxf3 c2+ 44.Kg4 Qc6? ( 44...cxb1=Q 45.Rxb1 Rxb1 46.Qc4+ ( 46.Rxb1?? Qe6 47.Rxb4 Qe2+ 48.Kh4 g5# ) 46...Ne6 ( 46...Kh7?? 47.Qf7 ) 47.Rxb1 ( 47.Rxe6 Rc1!! 48.Qe4 Qc5 49.Nxh6+ Kh8 50.Nf7+ Kg8 51.Nh6+ Perpetual check!!! Draw. ) 47...Kh7 48.Rxb4 Qa5 ) 45.Kh5!! cxb1=Q 46.Rxb1 Qf3+? ( 46...Kh7!! 47.Qg4 Qf3! 48.Rbd1 g6+ 49.Kh4 ) 47.Kg6 Rd3 48.Qxc5 Rd5 49.Rf1 Rxf5 50.Qxf5 Qxg3+ 51.Kh5 Rxe7 52.Rg1 Qc3 ( 52...Qb8 53.Kh4 Re5 54.Qd7 Re7! Black is worse but keeps battling due to white's bizarre king! ) 53.Rbc1 Now it's all over. 53...Re5 54.Rxc3 Rxf5+ 55.Kg6 1-0

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Mar-13-23
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