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Roman Hernandez Onna vs Garry Kasparov
Banja Luka (1979), Banja Luka YUG, rd 4, Apr-??
English Opening: Great Snake Variation (A10)  ·  0-1

ANALYSIS [x]

FEN COPIED

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Given 21 times; par: 39 [what's this?]

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Kibitzer's Corner
Dec-21-05  EmperorAtahualpa: This appears to be the same game as R Hernandez vs Kasparov, 1979, but the game score is slightly different starting at move 19.

Which is the correct one?

Dec-21-05  TheParadigm: I would assume this one, because the other doesn't not seem to have as immediate a win for Black. This version gives mate on the move.
Nov-19-06  Gouki: can anyone say why kasparov played 3....c5?
Nov-19-06  Albertan: Gouki, Kasparov's 3rd move is an attempt by him to play a defense such as the Benoni or King's Indian (or even a Tarrasch Defense). By playing 3...c5 he creates tension in the center against the White c-pawn which forced Hernandez to decide whether to capture on c4 or close the center by playing the move he did (4.d5.,which is the most popular continuation for White in this position). My chessbase Enyclopedia of Chess Openings program evaluates this opening as a King's Indian Defense and not and English Opening (which is given as the opening under the players names above). It assigns an Encyclopedia of Chess Openings code of E76 to this game (which is the King's Indian Defense:Four Pawns Attack). For those of you not familiar with the Encyclopedia of Chess Openings, Wikipedia, the free encyclopedia defines it as " A sequence of opening moves that is considered standard (often cataloged in a reference work such as the Encyclopedia of Chess Openings) is referred to as "the book moves", or simply "book". These reference works often present these move sequences in simple algebraic notation, opening trees, or theory tables. A new move in the opening is referred to as a "theoretical novelty". When a game begins to deviate from known opening theory, the players are said to be "out of book". In some opening lines, the moves considered best for both sides have been worked out to 30-35 moves or more. Professional chessplayers spend years studying openings, and continue doing so throughout their careers, as opening theory continues to evolve."

For a list of openings as classified by the Encyclopedia of Chess Openings see:http://www.maskeret.com/mecca/openi...

Nov-19-06  Albertan: <Dec-21-05EmperorAtahualpa: This appears to be the same game as R Hernandez vs Kasparov, 1979, but the game score is slightly different starting at move 19. Which is the correct one?

Dec-21-05 TheParadigm: I would assume this one, because the other doesn't not seem to have as immediate a win for Black. This version gives mate on the move.>

Hello Emperor and Paradigm. I believe the moves given here are correct.They are identical to the moves given for this game in my Chessbase King's Indian disk.

Nov-19-06  Albertan: Hiarcs 10 preferred to play the move 8...e6 and gave this possible continuation: 9.O-O exd5 (chipping away at the white pawn center) 10.exd5 b6 11.Bd2 Ng4 12.Qb3 Re8 Hiarcs 10 preferred to recapture with the bishop on move 10 ie.10.Bxb5 Qb6 11.Bc4 Ba6 12.Qd3 Bxc4 13.Qxc4 with an advantage to White.

On move 11 Hiarcs suggested White play 11.Qb3 with this variation given by the program: 11...Nbd7 12.Nec3 Qb6 13.a4 Rfc8 14.Qc4 Qa5

For Black's eleventh move Hiarcs found the interesting 11...Nxe4!? after which play might have continued 12.Bxe4 Qa5 13.O-O Bxb5 14.Nxb5 Qxb5 =

Hiarcs 8 preferred playing 13...Na6 (to Kasparov's choice of 13...Qa5+) After 13...Na6 play might have continued 14.a4 Qb6 15.Ra3 Qc5 16.Be3 Qb4+ 17.Bd2 Qc5

Hiarcs 10 gave a poor evaluation to White's fifteenth move. It regards the position after 15.Qf3 to be equal. Instead Hiarcs suggests 15.Bd2 could have maintained an advantage for White however after the variation: 15...Na6 16.a3 Nb4!? 17.O-O Nxc2 18.Qxc2 Nc5 19.Be3 Nd3= it evaluates the position as equal.

Nov-19-06  Albertan: Hiarcs 10 (at 20 ply) gave a poor evaluation to the move 20.e5 Instead Hernandez could have played 20.Rab1 and after 20...Nxb2!? 21.Rxb2 Qxc3 22.Rfb1 Ra3 23.Bf2 Qd3 24.Qxd3 cxd3 Hiacs 10 evaluates the position as . After 21.fxe5 Hiarcs 10 gives Kasparov even more of an advantage. Instead the move 21.f5 appears to be better with this continuation possible: 21..Rab8 22.Qg4 (Worse is: Rab1 Nxb2 23.Qxc2 (Worse is 23.Rxb2 Qxc3 24.Rc2 Qd3 25.Bc5 fxg6 26.fxg6 ) 23...Nd3 24.fxg6 hxg6 ) 22...Rxb2 23.Qxc4 Nf4 24.Rf2 Rxf2 25.Kxf2 gxf5 26.Rb1 e4

According to Hiarcs 10, Hernandez made a mistake on move 22.His move of 22.Bh6 is given a poor evaluation by Hiarcs 10 (after which Kasparov is winning). However, even after 22.Rab1 and this continuation:22...Rfb8 23.Bd2 Qc7 24.b3 Bxh2+ 25.Kh1 Bd6 Black is up a pawn and white does not have sufficient compensation for it.

The Hernandez move of 23.Qf3? is given a very poor evaluation by Hiarcs 10. However even after the Hiarcs 10 suggestion of 23.Rab1 Ra6 24.Be3 Bxc3 25.bxc3 Rxb1 26.Rxb1 Qxc3 Black is winning

Nov-19-06  Albertan: Hernandez blunders on move 24 when he played 24.g4?? Instead an alternative suggested by Hiarcs 10 is 24.Nd1 with this continuation possible: 24...Qc5+ 25.Kh1 Nxb2 26.Rc1 Nxd1 27.Qe2!? (If 27.Rcxd1 then 27...Rxa2 28.Rde1 Qd1 ) 27...Nf2+!? 28.Rxf2 Qxd5 29.Qxc4 Qxc4 30.Rxc4 Ra4 is winning for Kasparov.

Kasparov missed an even stronger move on his 26th move (which Hiarcs 10 found) that being 26...Bd4 after which this continuation is possible: 27.Kh1 Nf2+ 28.Kg2(if 28. Rxf2 then this continuation is possible: 28...Rxf2 29.Qxc3 Bxc3 30.Rc1 Raxa2 ) 28...Qxf3 29.Kxf3 Ra3+ 30.Kf4 Be3+ 31.Ke5 Bxh6

Nov-19-06  Gouki: thanks for the detailed analysis <Albertan>. greatly appreciated :D
Nov-19-06  Albertan: Hi Gouki I am glad you appreciated my analysis thanks for saying so. :)

Feb-21-08  Malfurion: your analysis = engine number crunching. (rolls eyes)
Apr-08-08  percyblakeney: Hernandez wasn't one of the top players in Banja Luka 1979, but still only lost three of his fifteen games. In Las Palmas 1977 he had defeated both Tal and Larsen with black, so he was no weak opponent. Here Kasparov wins very easily on the way to his +8 -0 =2 start in his first strong international tournament.
Apr-08-08  percyblakeney: Hernandez wasn't one of the top players in Banja Luka 1979, but still only lost three of his fifteen games. In Las Palmas 1977 he had defeated both Tal and Larsen with black, so he was no weak opponent. Here Kasparov wins very easily on the way to his +8 -0 =2 start in his first strong international tournament.
Dec-01-10  apexin: In the ending white threatens mate
by Qf8+ Rxf8 Rxf8# and Qf7+.But
after 26.Be3 Hh4! black defends and wins.Also after 26.Kh1 now Qe4 pins white queen.
Dec-01-10  apexin: In the ending white threatens mate
by Qf8+ Rxf8 Rxf8# and Qf7+.But
after 26.Be3 Hh4! black defends and wins.Also after 26.Kh1 now Qe4 pins white queen.
Dec-10-15
Premium Chessgames Member
  whiteshark: <percyblakeney / apexin> What happened with your posts?
Dec-10-15
Premium Chessgames Member
  whiteshark: <percyblakeney / apexin> What happened with your posts?  
Dec-10-15
Premium Chessgames Member
  perfidious: <whiteshark> Same thing that sometimes happens with mine.

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