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Vladimir Georgiev vs Vladimir Petko
European Club Cup (2002), Halkidiki GRE, rd 1, Sep-22
Queen's Gambit Declined: Queen's Knight Variation (D31)  ·  1-0
ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Jun-30-06  Far1ey: Amazing
Jun-30-06  aazqua: <aazqua: Maybe these guys are brothers.> No offense. That was just stupid.

None taken. Next time I'll put (joke) in paranthesis to help you out.

Jun-30-06  Marco65: I KNEW Nxf7 had to be the solution, but I couldn't make it work.

In the end I decided that 20.dxe6 Qxe6 (other variations already considered by <al wazir>) 21.Nc6 Rxd1 (worse is 21...Qxh3?? 22.Nxe7+ Kf8 23.Rxd8+ Rxd8 24.gxh3 ) 22.Qxe6 fxe6 23.Nxe7+ Kf7 24.Rxd1 Kxe7 25.Rd7+ Kf8 26.Rxc7 was good enough for White.

Of course, 20.Nxf7 and 21.Bd7!! are more decisive. I don't regret having missed this, 21.Bd7 was very difficult to see.

Jun-30-06  alfilbueno: <al wazir> 20. dxe6 Rxd1 (20...fxe6 21. Rxd8+ Qxd8 22. Qxe6+ Kh8 23. Nf7+) 21. exf7+ Kf8 22. Rxd1 Qxh3 23. gxh3 Bxe5 24. Bxe5 Kxf7 and definitely White has an edge but the final has to be won (probably is better for White 22 Qxc8+ Rxc8 23 Rxd1 Bxe5 24 Bxe5 Kxf7, his pawn structure is not damaged).

I found 21 Bd7! after considering for fifteen minutes or so some lines, for instance 20 Bd7 Rxd7 21 dxe6 ... and 20 Nxf7 Kxf7 21 dxe6+ Kg8 22 Bd7 followed by Bg5. Then suddenly realized that the line with 20 Bd7, 21 dxe6 would be decisive if the Black king was at f7, and thought about the move order Nxf7 followed by Bd7, and it worked!

Jun-30-06  EmperorAtahualpa: I had a hunch 20.Nxf7 would be the right move, but I didn't see 21.Bd7 at all!!
Jun-30-06
Premium Chessgames Member
  jahhaj: I was trying to make up my mind between playing 20.Nxf7 and 20.Bd7, it didn't occur to me to play both!
Jun-30-06
Premium Chessgames Member
  Eggman: <<I looked at each one of the moves made (Nxf7, Bd7, dxe6, Bg5) several times, but never in the correct order.>>

I suppose that's why it's called a COMBINATION. It's a matter of COMBINING the moves in the right order.

Jun-30-06  dakgootje: first got the idea of Nxf7, calculated some moves but it didnt look very convincing, then looked for some other ideas and came up with Bd7, calculated some moves and it didnt look very convincing either. I forgot i had earlier on calculated Nxf7 and just totally forgot to consider to combine both moves -.-
Jun-30-06  RandomVisitor: <goldfarbdj>20. Bg5 f6 21.Bd7 Nf5 (21...Rxd7 22.Qxe6+; 21...fxe5 22.Qxe6+) 22. Bxe6+ or Bxc8 is decisive.
Jun-30-06  RandomVisitor: top 3 moves, 18-ply analysis:
1: Vl Georgiev - Vladimir Petko, ECC Halkidiki GRE 2002


click for larger view

Analysis by Rybka 2.0 Beta 8 mp:

1. (2.13): 20.Nxf7 e5 21.Nxd8 Qxh3 22.gxh3 Rxd8 23.Bxe5 Bxe5 24.Rxe5 Nf5 25.Re8+ Rxe8 26.Bxe8 Bc8

2. (2.01): 20.Bg5 Re8 21.Bd7 Qd8 22.dxe6 f6 23.Nf7 Qb8 24.Bxe8 Qxe8 25.Bh6 Bxh6 26.Nxh6+ Kg7

3. ± (0.91): 20.Bd7 Rxd7 21.Nxd7 Qxd7 22.dxe6 Qe8 23.Rd7 f6 24.Rxc7 Bc6 25.Qa3 Nf5 26.e7 Rc8

(, 30.06.2006)

Jun-30-06  zb2cr: Tricky one, but I got it. First Friday I've gotten in well over two months!
Jun-30-06  uksahasrabudhe: The position is pregnent with 20.Nxf7. But 21.Bd7 is absolutely crushing! as this continues the tempo, the rest is simply flowing; I call that GrandMaster stuff.
Jun-30-06  zb2cr: Just for extra detail, if 22. ... ♔g8; 23. exd7, ♕d8; 24. ♕e6+, ♔h8; 25. ♕xe7 .
Jun-30-06  uksahasrabudhe: I got all correct except Bd7! Thats why 19Ba4 has great foresight. This is a great puzzle.
Jun-30-06
Premium Chessgames Member
  benveniste: Third puzzle this week where I got the "wrong" winning move. My choice this time was the mundane 20. ♗g5.
Jun-30-06
Premium Chessgames Member
  pittpanther: Can black put up more resistance with 20 .. Kg8? It still looks bad after 21 ed Qf8 because white can play 22 Bg5 (though black can play Nc6 to defend the d8 square) or 22 Rxe7 followed by Bxc7 and the d8 square is a problem. However, I thought it put up more resistance than 20... Kf8 since that just dies against ed
Jun-30-06  apawnandafool: i've gotten everyone this week, why can't my games be more reflective of my puzzle-solving canüpice?
Jun-30-06  crwynn: Worked out everything but 24.Bg5; my only idea was to grab a few measly pawns - in the 22...Kf8 line, 24.Qxg7; if 22...Kg8 then 24.Bxc7. Obviously 24.Bg5 is the way to end the game.
Jun-30-06
Premium Chessgames Member
  al wazir: <alfilbueno>: I agree. My move isn't bad, but it's definitely not a game-winner. For one thing, black can answer 20. dxe6 with 20...f6. After 21. Nd7 or Bd7 black has a lousy game -- but he had that already.

<Fezzik>: I don't know whether it was Petko or Petkov who beat Topalov the year Veska became a grandmaster. I just used what <CG> has in the database.

Jun-30-06  zb2cr: <pittpanther>,

I don't think so. First off, I'm going to assume you meant 22. ... Kg8; 23. exd7, Qf8. (You had written 20. ... Kg8, which makes no sense.)

So after 23. ... Qf8; 24. Qe6+. I think that 24. ... Qf7 fails against 25. d8=Q+. White gets a crushing material edge. If 24. ... Kh8; 25. Qxe7. White doesn't care if his Bishop is hanging; 25. ... Qxf4; 26. d8=Q+, Qf8; 27. Qexf8+, Bxf8; 28. Re8.

Improvements?

Jun-30-06
Premium Chessgames Member
  kevin86: 21 Bd7 sets up a theme rarely used outside of chess problems. It forces black to lose control of the e6 square by forcing him to block it with his own forces.Then white captures the rook---and goes after the knight at e7.
Jun-30-06  Fezzik: Al wazir, just look at the gamescore that chessgames.com has. You should see clearly that the name on the scoresheet is Petkov.
Jun-30-06
Premium Chessgames Member
  Richard Taylor: I kind of got this I saw 20 Nxf7 -it looked winning but I went for

20 Bd7 Rxd7 21. Nxf7 Kxf7 22. dxe6+ Kg8 23. Qe6+ Kh8 (23. ... Qf7 loses) 24. Qxe7

I didn't see the line with Bg5 but it was findable. Not sure if my move order would also do the trick. Seems to transpose into what was played. f7 was an obvious target of course...

Jul-01-06
Premium Chessgames Member
  al wazir: <Fezzik: the name on the scoresheet is Petkov>

So?

Jul-01-06
Premium Chessgames Member
  patzer2: White's demolition of pawn structure with 20. Nxf7!! is followed up by the neat obstruction sacrifice 21. Bd7!, with decisive threats against the weakened Black position.
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