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Viktor Korchnoi vs Garry Kasparov
Kasparov - Korchnoi Candidates Semifinal (1983), London ENG, rd 6, Dec-04
Queen's Gambit Declined: Tarrasch Defense. Pseudo-Tarrasch (D30)  ·  0-1

ANALYSIS [x]

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Given 19 times; par: 129 [what's this?]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Mar-05-06  Benzol: <numcrun> To me it looks like Kasparov will soon win Korchnoi's Rook.

After 78.♔f8 ♔g5 the Rook doesn't have many squares to flee to.

The Black King covers h6,h5,h4 and f6 the Black Queen covers h7,h3,e6,d6 and c6.

If 79.♖h2 then ♕d6+ forks the White pieces and the Rook is lost.

If 79.♖h1 then ♕c8+ 80.♔moves and 80...♕b7+ again forks and wins.

If 79.♖b6 or 79.♖a6 then either 79...♕d8+ or 79...♕c8+ and again the fork wins the Rook.

If 79.♖h8 then 79...♔g6 80.♖g8+ ♔f6 and White cannot avoid mate.

Jun-07-06  KingG: Here's an old N.Y Times article on this game: http://query.nytimes.com/gst/fullpa...
Jun-07-06
Premium Chessgames Member
  keypusher: Thanks <kingG>!
Jun-08-06  hitman84: <KingG>great thanks!

What a game by the great GAZZA!

Jun-08-06  MrMelad: why not 12. Bxd5 ?
Jun-08-06  borisbadenoff: <MrMelad: why not 12. Bxd5 ?> Are you serious? How about 15. .. Nbxd5 or 15. .. Nfxd5
Jun-08-06  KingG: <borisbadenoff> What are you talking about? He said 12.Bxd5, not 15.Bxd5.

<MrMelad> The problem with 12.Bxd5 is it severely weakens the light squares around White's king, and since Black still has his light squared bishop, things could become dangerous for White. Additionally, he probably can't hold on to the pawn anyway.

For example, after 12.Bxd5 Nxd5 13.Qxd5 Nxe5 14.Qxe5 Bf6 15.Qe4 Bh3, and now White has problems with his king, and his extra pawn is under attack. Even if White can hold on to the pawn, Black has more than enough compensation: two bishops in an open position, better development, White's weak light squares, ... It's all bad for White.

Jun-09-06  borisbadenoff: <KingG: <borisbadenoff> What are you talking about? He said 12.Bxd5, not 15.Bxd5.> Easy man. I made a misread can happen to anyone can't it?
Jun-09-06  goldenbear: Korchnoi is undoubtedly guilty (I say this without computer aid so if I'm wrong... sue me) of not seeing in front of his nose. Obviously (to me), with 15.Nb5! White has an enormous, probably insurmountable, advantage. That move does so many things for White that I can't believe it wasn't played here. I'm dumbfounded. Am I missing something?
Jun-09-06  euripides: <golden> if 15 Nb5 I think Black can play 15...Bf5. Now if 16 Nc7 Rac8 and White may have trouble saving the knight e.g. 17 Rc3 Bd6 18 Rac1 Na2. If 16 Rc7 axb5 17 Rxa8 Rxa8 18 Rxe7 Ra1+ 19 Bf1 Bh3 Black wins. White no doubt has something better but it doesn't look terrific for him.
Jun-09-06  goldenbear: <euripides> In your line, I think White has to play the sharp 17.g4 with, apparently, a roughly equal game. Consideration of that line does lead to the conclusion that 15.Bd2 (threatening Nb5) is probably the best move. However, 15.h3 (also threatening Nb5) comes into consderation as well. In that case, the reply 15.Bf5 looks to me like runs into 16.Rc7. This is all a bit complicated but maybe Black has already equalized.
Jun-22-06  MrMelad: Though late - thank you <KingG> it was informative.
Feb-23-08  Bodia: According to endgame tablebases 63.Rd1 and draw.
May-21-15
Premium Chessgames Member
  Jonathan Sarfati: <Dick Brain>, Goldsby's page is helpful in principle, but his analysis is definitely pre-tablebase. Run his positions through http://www.k4it.de/?topic=egtb&lang...
Sep-16-17  Albion 1959: I recall at the time that move 63.d5 was the losing move and that Rd1 would have drawn. There was plenty of analysis to support this, but I wonder if this is correct today ? Now that there are powerful search engines that could probably play this ending with more precision, maybe it was still a win for black ? This was a turning point in the match. Korchnoi was leading at the time, but with this win Kasparov levelled the match, gained confidence and went onto crush Korchnoi to win easily in the end:
Sep-17-17
Premium Chessgames Member
  beatgiant: <Albion 1959>
Tablebases confirm, with mathematical certainty, that 63. Rd1 is a draw and 63. d5 loses.
Aug-14-19  Patzer Natmas: Game featured in "New in Chess- Tactics Training- Garry Kasparov "

Solve for black on move 63...

Nov-14-20  fisayo123: Wow, what a fabolous endgame!

Korchnoi on Kasparov before the match :

"Kasparov is a player with a single knockout blow. But if you can successfully parry his first assualt, and be the first to land a blow, Kasparov might lose confidence and start to falter."

After Korchnoi's surprise win in game 1. Kasparov ties it with this win here and then proceeds to win 3 more games without reply. So he parried Korchnoi's blow and never faltered.

Aug-10-22  N.O.F. NAJDORF: 78. Kg8 Kg5 79. Rh7 (Rh2 80. Qd8+ Kg7 81. Qc7+) Qe8+ 80. Kg7 Qg6+ 81. Kh8 Qf6+ 82. Kg8 Kg6 83. Rd7 Qe6+

78. Kf8 Kg5 79. Rh8 Kg6 80. Rg8+ Kf6

78. Kf8 Kg5 79. Rh1 Qc8+ 80. Kf7 Qb7+

Aug-29-23
Premium Chessgames Member
  Eggman: <<Najdorf>> In your first line above 82...Kg6?? allows 83.Rh6+!
Aug-29-23
Premium Chessgames Member
  Eggman: Korchnoi could have played a few more moves. 78.Kg8 would have given a position that occurred in Gelfand vs Svidler, 2001 (after 94.Kh2 there), a game which Svidler didn't manage to win. Granted, the latter was a rapid game.
Jul-05-24
Premium Chessgames Member
  Sally Simpson: Before playing 20...Rfc8 here;


click for larger view

...Kasparov offered Korchnoi a draw. In hindsight it should have been accepted but Korchnoi was happy with the way match had been going so far and with this position.

Taking the draw would have meant Garry was still trailing 1-0 instead of tying the match and...you never know...he may have taken a big risk in the next few games to tie the match and gone 2-0 down and we would never have got the Moscow Marathon etc.

This game shattered Korchnoi, in the next game (a Kasparov win) according to Ray Keene Korchnoi looked drowsy and played catatonic. Korchnoi then went onto to lose two of the remaining four games and we got the Moscow Marathon.

Jul-06-24  Olavi: <Sally Simpson> With a lot of hindsight. This position (Kasparov says it was with 19...Bf5 that he offered a draw) was exactly what he wanted against this upstart, who, as he asserted, had only a single knock-out blow, and if that is parried, then...: an ending with the initiative. Korchnoi was not one to think of drawing his way to 6,5 points.
Jul-06-24
Premium Chessgames Member
  Sally Simpson: Hi Olavi,

The draw offer move I got from the Keene and Lawson book. It's moot but I'd go with Kasparov for the exact move. Despite Korchnoi's single knock out blow comment the two players got on very well smiling and analysing together at the end of the games.

Agreed Korchnoi would not have taken a draw there unless it was the last game of a match or tournament. Often it is the player whose draw offer was refused who soon loses control in trying to prove a point. In this game Korchnoi miscalculated but by then the draw offer was past and probably forgotten about.

At one point in this game Kasparov got so excited when making a move he knocked the Russian flag off the table. By then Korchnoi and the USSR had made up so I guess no chuckle from Korchnoi.

Jul-06-24  Olavi: It's true by this game Korchnoi should have tried to do a Petrosian on Kasparov, remembering their 1971 match...

But then he wouldn't have been Korchnoi.

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