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Anatoly Karpov vs Kiril Dimitrov Georgiev
Tilburg (1994), Tilburg NED, rd 5, Sep-??
Queen's Gambit Declined: Tartakower Defense. General (D58)  ·  1-0
ANALYSIS [x]

FEN COPIED

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Given 24 times; par: 32 [what's this?]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 3 ·  Later Kibitzing>
Apr-09-11  tbentley: 29.Bxf7+ Rxf7 30.Neg5 hxg5 31.Nxg5 Rf8 32.Re8 Qxe8 33.Rxe8 Ne5 34. Rxf8+ Bxf8 35. Qe6 Nf3+ (Bxd6 is similar) 36. Nxf3 Bxf3 37. Qxg6+ Rg7 (37...Bg7 38. d7 Rxd7 39. Qe8+) 38. Qe6+ Rf7 (38...Kh7 39. Qf5+; 38...Kh8 39. d7 Rxd7 (39...Be7 40. Qxe7 Rxe7 41. d8=Q+) 40. Qxd7) 39. d7 Be7 40. Qxb6 and there are several variations, but it looks like 41. d8=Q Bxd8 42. Qxd8 and eventually the queen will pick up the c pawn too. Except the variation 40...Rf8 41. Qg6+ Kh8 42. Qe8.

Position after 40. Qxb6:


click for larger view

Apr-09-11  sevenseaman: <David2009:POSTSCRIPT: As no-one else has posted Black's winning defence here it is (courtesy Crafty EGT): 29.Bxf7+ Rxf7 30.Neg5 hxg5 31.Nxg5 Rf8 32.Re8 (so far as in the game) 32...Qxe8 33.Rxe8 Ne5!!

click for larger view

turning the tables. Black now wins on material. If 34. d7 c5 Unless someone can find something for White here? (I haven't checked with an engine).>

Interesting. I've gone over it twice; Black winning.

I will delve deeper.

Reg Crafty EGT. How do you generate a position diagram, from a game as well as from a new position as in a puzzle and then set it up for interactive practice? I am new to it and did not find the D/L option.

Apr-09-11  David2009: Karpov vs Kiril Georgiev, 1994 postscript: <tbentley>: Congratulations! I stand corrected. <tbentley> versus Crafty EGT goes: <29.Bxf7+ Rxf7 30.Neg5 hxg5 31.Nxg5 Rf8 32.Re8 Qxe8 33.Rxe8 Ne5 34. Rxf8+ Bxf8 35. Qe6 Nf3+ 36.Nxf3 Bxf3 37.Qxg6+ Rg7 38.Qe6+ Rf7 39.d7 Be7 40.Qxe7 Rxe7 41.d8=Q+ Kf7> and now presumably 42.Qd2 Re6 43.h3 Ke7 44.g4 Bc6 45.a5 bxa5 46.Qxa5 Kd6 to reach


click for larger view

I doubt I could win this unaided (except by a slow process of trial and error) but no doubt an engine could. Here's a link to the position at move 38 of this variation http://www.chessvideos.tv/endgame-t... and one to the final position (the diagram above): http://www.chessvideos.tv/endgame-t... Enjoy looking for the wins!

Postscript to postscript: <sevenseasman> visit this link: crafty chessforum. To capture diagrams from a game, simply right-click on the position reached. Hope this helps: otherwise post a question on my forum. (Must go).

Apr-09-11
Premium Chessgames Member
  Domdaniel: <David2009> Your defensive idea - 32.Re8 Qxe8 33.Rxe8 Ne5 - is tricky and trappy, but White still wins.

Your main idea, I presume, is that if White tries to recoup material via 34.Rxf8+ Bxf8 35.Nxf7?


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... then 35...Nf3+ causes some embarrassment, and costs White his Queen (36 K moves, 36...Nd2+).

In that line Black certainly gets an edge, and once things simmer down, might indeed win 'on material'.

But you can only win 'on material' in Quiet positions. Highly unbalanced material combinations -- Q vs R/B/N for example are inherently unstable.

Kasparov won such games several times with an active Queen, while Smyslov famously tied Botvinnik's Queen in knots with three minor pieces. I got into a Queen (me) vs R/B/N game with a GM once (the late Tony Miles) and I assumed I was losing. I was surprised to be offered a draw - he'd assessed the position more clearly, and saw that my Queen could cause problems.

So let's not play the greedy 35.Nxf7.
Instead, 35.Qe6 gives White a continuing initiative and a large advantage, with nobody winning on material count but White far ahead where it really matters.


click for larger view

For example, 35.Qe6 Nf3+ 36.Nxf3 Bxf3 37.d7 Be7 38.Qxg6+ Kf8 39.Qxb6 ... where Black's moves are virtually forced. He still has Rook and two Bishops for the Queen, but White's passed pawns are crushing.

Apr-09-11  Koblenz: Cool, found it in few seconds, until move 32
(something between intuition and luck... and quick analysis)
Apr-09-11  tacticalmonster: <David 2009> After 29 Bxf7+ Rxf7 30 Neg5 hxg5 31 Nxg5 Rf8 32 Re8! Qxe8 33 Rxe8 Ne5, White has the quiet move 34 Qe6!


click for larger view

Materially White has only Q and P vs R and two B, but two things work heavily in White favor: (1) a giant d6 passer (2) Black'e exposed king

After 34 Qe6!, White threatens 35 Nxf7 and 36 d7 crushing.

a) 34...Nf3+ 35 Nxf3 Bxf3 36 Rxf8!+ Bxf8 (36...Kxf8 37 Qc8#) 37 d7 Be7 38 Qxg6+ Rg7 39 Qxb6- White soon emerge with Q and 3 P vs R and B, a winning material advantage

b) 34...Rxe8 35 Qxe8+ Rf8 36 d7! Nxd7 (36...Bf6 37 Ne6! Nxd7 38 Nxf8 Nxf8 39 Qxa8 ) 37 Qxd7

Now White wins in all variation:

b1) If R move off the back rank then 38 Qe8+ Rf8 39 Qxg6 with forced mate and blcoking with Bf8 drops the a8 bishop

b2) both B cannot move without forced mate

b3) BK cannot move either and White threatens 38 Qe6+ Kh8 39 Qh3+ Kg8 40 Qh7#

Apr-09-11
Premium Chessgames Member
  kevin86: A few sacs and a pin set off this battering-ram attack on black's king.
Apr-09-11
Premium Chessgames Member
  Jimfromprovidence: I could not find a win after 29...Kh7. I saw up to 30 Neg5+ Kh8, below, but could not find a clear winning path.


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Rybka freeware, however, finds 31 Qe6!


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This move threatens 32 Qxg6 (seeing 33 Qh7#). And black cannot take the g knight with 31...hxg5, because of Qh3+!

Still, after 31..Bxf3 32 Nxf3 Qb7, I don't know what happens next.


click for larger view

Apr-09-11
Premium Chessgames Member
  patzer2: For today's Saturday puzzle solution, Karpov's 29. Bxe7+!! treats us to a rare double pin on the enemy King, or to be technically accurate a double "absolute" pin.

Here's a move-by-move look with Fritz:

<29. Bxe7+!! Rxf7 > Makes a sham sacrifice of the Bishop to set the first pin by the Queen of the Rook on f7.

If 29...Kh8, then 30. Qe6! (better than 30. Bxg6 ) is the strongest winning move. From here play might continue 30...Bxe4 31. Rxe4 Nf6 (diagram below)


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32. Ne5! Nxe4 33. Nxg6+ Kh7 34. Nxf8+ Rxf8 35. Qg6+ Kh8 36. Rxe4 Qa8 37. Ba2 Qb7 38. Re7 .

<30. Ng5! hxg5 31. Nxg5> Offers up a second piece as part of the sham sacrifice just to pile on and attack the pinned piece a second time. Clearly Karpov had calculated this combination to a winning advantage, as two pieces would have been too much for a solid player like him to offer up for an unclear speculative attack.

<31...Rdf8> is forced to defend the twice attacked pinned Rook.

If 31... Ne5, then White wins after 32. Rxe5! (not 32. Nxf7?? c4! 33. Qb5 Qb7! 34. Re4 Nf3+ ), when play might continue 32... Rdf8 33. Nxf7 Bxe5 34. Nxe5+ Kg7 (diagram below)


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35. Nxg6! Kxg6 36. Qe6+ Rf6 37. Qg4+ Kh6 38. Re5 Qe8 39. Rxe8 Be4 40. Rh8+ Bh7 41. Qh4+ Kg6 42. Qxh7+ Kg5 43. Qh5#.

<32 Re8!> Now Karpov sets the second and decisive pin, which also attacks the Queen and threatens a wicked double attack (e.g. 32. Re8! Rxe8 33. Qxf7+ Kh8 34. Rxe8+ winning the Queen).

<32...Qxd6> is a desperate but futile attempt to hold.

Best according to Fritz is 32... c4, when White has a clear win after 33. Qxc4 Ne5 (diagram below)


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34. R1xe5! Qb7 (diagram below)


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35. Qxf7+! Qxf7 36. Nxf7 Bxe5 37. Rxf8+ Kxf8 38. Nxe5 Be4 39. Nd7+ Kf7 40. Nxb6 Ke6 41. d7 Ke7 42. a5 Bd3 43. f4 .

<33. Qxf7+!> The queen is perfectly safe in capturing the piece as the double absolute pin on the King makes the Black Rook's protection of the pinned Rook a mere illusion. By the way, this is the only clear winning move, as for example the tempting 33. Nxf7?? risks throwing away the win and losing to 33...Qd5! to .

<33...Kh8 34. Ne6> 1-0

Black resigns as the mate threat forces him to give up the Queen with 34...Qxe6 35. Qxe6 , or suffer an even greater disadvantage after 34...Bh6 35. Nxf8 Nxf8 36.Rxa8 .

P.S.: Karpov was not one to make speculative sacrifices like Tal, but obviously he was capable of some impressive sham sacrifices in a deep combination such as this one.

Apr-09-11
Premium Chessgames Member
  agb2002: From an Indian Defense, I suspect.

White has a bishop and a knight for the bishop pair.

Black threatens to win a pawn with 29... Bxe4 30.Rxe4 Qxd6.

The convergence of the white pieces on the black king side suggests 29.Bxf7+:

A) 29... Rxf7 30.Neg5

A.1) 30... hxg5 31.Nxg5

A.1.a) 31... Rdf8 32.Nxf7

A.1.a.i) 32... Rxf7 33.Re8+ Qxe8 34.Rxe8+ Bf8 35.Rxa8 + - [Q+2P vs B+N].

A.1.a.ii) 32... Kh7 33.Ng5+ Kh8 (33... Kh6 34.Qc4 Kxg5 35.Qh4+ Kf5 36.Qf4#) 34.Qc4 Bh6 35.Qh4 Kg7 36.Re7+ + -.

A.1.b) 31... Ne5 32.Rxe5

A.1.b.i) 32... Bxe5 33.Qxf7+ Kh8 34.Qh7#.

A.1.b.ii) 32... Qb7 33.Qxf7+ Qxf7 (33... Kh8 34.Re8+) 34.Nxf7 Kxf7 35.Re7+ Kf8 (35... Kf6 36.R1e6+ Kf5 37.g4+ Kxg4 38.Rxg7 + - [R+P vs B]) 36.d7 Bc6 37.Re8+ Rxe8 38.Rxd8+ Kf7 39.d8=Q + -.

A.1.c) 31... Qb7 32.Qxf7+ Kh8 33.Re8+ Nf8 (33... Rxe8 34.Rxe8+ Nf8 35.Rxf8+ Bxf8 36.Qxf8#) 34.Qxb7 Rxe8 (34... Bxb7 35.Rxd8 + - [2R+2P vs 2B]) 35.Rxe8 Bxb7 36.d7 + -.

A.2) 30... Rdf8 looks similar to A.1.a but even more favorable for White.

B) 29... Kh7 30.Bxg6+ Kxg6 31.Qc2

B.1) 31... Bxe4 32.Qxe4+ Kh5 (32... Kf7(6) 33.Qe6#) 33.g4#.

B.2) 31... Kh7 32.Nf6+ Kh8 33.Qh7#.

B.3) 31... Kf7 32.Neg5+ hxg5 (32... Kf6 33.Re6#) 33.Nxg5+ Kf6 34.Re6+ Kxg5 35.Qg6#.

B.4) 31... Nf6 32.Neg5+ Ne4 33.Nxe4 + -.

C) 29... Kh8 30.Bxg6 Bxe4 31.Bxe4 Qxd6 32.Bb1 followed by Qc2 with a winning attack (32... Nf6 33.Ne5 with the double threat Nf7+ and Ng6+).

Apr-09-11
Premium Chessgames Member
  FSR: Looks pretty easy: 29.Bxf7+ Rxf7 30.Neg5 hxg5 31.Nxg5 Rf8 32.Nxf7 Rxf7 33.Re8+. What am I missing?
Apr-09-11
Premium Chessgames Member
  takchess: After seeing the answer and coming back to the puzzle after 4 hours. I set my chess clock for 20 minutes and gave it a long think. I'm trying to teach myself some patience and calculation muscle. An interesting experiment.

i did see the danger of allowing black to gain a tempo with Qg7 as well as the knight position on f6.

Apr-09-11
Premium Chessgames Member
  FSR: OK, the immediate 32.Re8 is even better than my line.
Apr-09-11
Premium Chessgames Member
  agb2002: 33.Qxf7 in my lines A.1.b.i and A.1.b.ii is a hallucination and 32.Nxf7 instead of 32.Re8 in A.1.a is a blunder that allows Black equalize after 32... Qb7 33.Ng5+ Qd5.
Apr-09-11
Premium Chessgames Member
  Once: The deliciously opinionated Nimzowitsch coined the phrase "overprotection", and several generations of chess players drive themselves to distraction trying to work out exactly what he meant. I mea, just listen to these words of wisdom:

"...the contact established between the strong point and the overprotector can only be of advantage to both parties. To the strong point because the prophylactic induced by such a process affords it the greatest security against possible attack; to the overprotector since the point serves him as a source of energy, from which he may continually draw strength."

No - me neither. I can just about understand the bit about the security against attack, buty the "source of energy"? Er ... nope. Zip. Nada. Nuffink.

But then it occured to me that if Nimzo had been born a few decades later, he would surely have been influenced by the artistic movements of the time. Most noticeably, the Hollywood summer blockbuster.

And that might have made him think in a slightly different direction. Instead of overprotection, we might have had the concept of over-attacking.

What do I mean by over-attacking? It's bringing a gun to a knife fight. It's the one good moment in the Star Wars prequels when Darth Maul unleashes his two-bladed light sabre. It's Crocodile Dundee facing down a punk with a switchblade by saying: "Naaah, that's not a knife ... <pulls out immense bowie knife> ... Now THAT's a knife."

Or in chess, it has to be our old friend the reloader. Attack a square once, the other guys defends, then attack the same square for a second time. Now that's a knife.

And for today's POTD, Karpov unleashes that most rare of weapons - a triple reloader. The white queen and bishop reload on f7, the two white rooks reload on e8 and the two white knights reload on g5.

Or as Neo said to Trinity: "We need guns...

... lots of guns."

Apr-09-11  morfishine: Absolutely nailed the first 3-moves. Feel chagrined that I considered, albeit fleetingly, <32.Re8> only to discard it and move on. One must not discard winning moves. Excellent puzzle.
Apr-09-11  theodor: great game from Karpov!
Apr-09-11  falso contacto: just knew the game.
Apr-09-11
Premium Chessgames Member
  patzer2: <David2009> Thanks for the interesting study position for today's game. You often seem to come up with some variations that are difficult to win in these puzzles. <tacticalmonster> great solution to David's problem with <After 29 Bxf7+ Rxf7 30 Neg5 hxg5 31 Nxg5 Rf8 32 Re8! Qxe8 33 Rxe8 Ne5, White has the quiet move 34 Qe6!.>

I struggled a bit in David's variation but after 34. Qe6! finding the win was a lot easier.

Apr-09-11  Slurpeeman: <David 2009> Yes there is inded a win (which I missed because I only considered Rxe5 instead of Rxf8+ due to Nf3, it just didn't occur to me to move the queen out of the way).

So I found the win in the endgame position bentley found, and my line starts with g5, then h-pawn moves up, while the f-pawn moves once to f3 where it defends against devastating checks via Rh1+. I don't have the exact move order yet since I couldn't remember all checks and pawn moves I played, but Black ends up having to sac his Rook for one of passed pawns so it comes down to Q+p vs B+p. An hour too late, and I would've discarded Karpov's combination as unsound.

Apr-09-11  solskytz: (to Domdaniel) well, to me actually, 29. Bxf7+ Rxf7 30. Neg5 hg 31. Nxg5 Rf8 32. Re8 Qxe8 33. Re8 Ne5 34. Rxf8+ Bxf8 35. Nxf7 doesn't seem all that wrong.

Did you examine 35...Nf3+ 36. Qxf3 Bxf3 37. d7 Be7 (looks quite forced) 38. d8=Q+ Bxd8 39. Nxd8? white is a pawn up, can easily stop the c-pawn with his knight on c2 or c4 (the white squares), and has a devastating k-side majority. If white is winning here, Nxf7 can't really be considered weak, right?

Apr-09-11  sevenseaman: A light-veined cameo for your tired mind after the draining Karpov-Georgiev!


click for larger view

w

White plays and mates in 3 moves.

Apr-09-11  TheBish: Karpov vs Kiril Georgiev, 1994

White to play (29.?) "Very Difficult"

I have no time today, but I'm going to guess 29. Bxf7+(!) Rxf7 30. Neg5 hxg5 31. Nxg5 Rf8 32. Re7 as being a main line (maybe game).

Just enough time to check!

Apr-09-11  TheBish: Very close! "Missed it by that much!", as Maxwell Smart (Get Smart) used to say. May have seen this in the distant past, but can't remember.
Apr-09-11  WhiteRook48: I got really close but I ended up inverting the move order, I tried 29 Neg5 first... black can play 29...Bxf3. Thus I failed the puzzle
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