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Rauf Mamedov vs Davit Shengelia
Batumi (2001), Batumi GEO, rd 8, Jul-04
Sicilian Defense: Najdorf Variation (B90)  ·  1-0

ANALYSIS [x]

FEN COPIED

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sac: 39.Rf7+ PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
Apr-28-06  RandomVisitor: This whole combination is possible because of the weak move 37...c4.

If Black had played something like 37...a5, then he could play 43...Qe1+ 44.Ka2 Qe6+ 45.b3 a4 and hold on.

Apr-28-06  SickedChess: because all is forced I got it easily
Apr-28-06  LIFE Master AJ: I found 39.Rd7 almost right away, which Fritz says is winning easily. (I didn't bother to look for anything else.)
Apr-28-06  LIFE Master AJ: Good puzzle - thank you (to) Chess Games!

Apr-28-06  chiguire: I am sure that I am missing something, but why doesn't black play 37 ...Rxd6? If black plays 37 ...Qxd6 I can see desaster ahead for black, but I can't work out a sure win for white if black play 37 ...Rxd6.

Like I said, I am probably missing something, but if someone could enlighten me I would be very appreciative.

Apr-28-06  Castle In The Sky: <LIFE Master AJ> One move and going to Fritz does not count as problem solving, especially for a self-professed "strong" player.
Apr-28-06  YouRang: At first, I thought White might be grateful for a draw, and of course the perpetual check is there (shift queen between h6 and h7).

But then I found a potential win for White (not as good as the solution in the game). Let me know what you think:

39. Qh6+ Kg8
40. Ra7 Rxd6
41. Ra8+ Kf7
42. Rf8+

Apr-28-06  technical draw: <Castle In The Sky> Do not insult AJ. He is not a "strong" player he is a master just like you and I. We masters can see a position and know, via some mystic power, what the correct continuation is.
Apr-28-06  babakova: <chiguire> 37...Rxd6?? 38.Qc8+ Qf8 39.Re8 looks like good reason to me...
Apr-28-06
Premium Chessgames Member
  Mendrys: Drats! I looked at the line: 39. Rf7+ Qxf7 40. Qh8+ Qg8 41. Qf6+ Qf7 42. Qxd8+ Qe8 but didn't see a win for white. My endgames are usually horrible anyway wich is probably true of most patzers like me. Anyone have suggestions for good endgame books?
Apr-28-06  YouRang: I've been considering other variations in the <alternate line> I proposed, but still I see White winning. For example:

39. Qh6+ Kg8
40. Ra7 Qf1+
41. Ka2 Qf6
42. Qh7+ Kf8
43. Qe7+ Qxe7
44. dxe7+

Anyway, unless someone points out a flaw, I'm going to give myself credit for finding a solution. :-)

Apr-28-06  chiguire: <babakova> thanks for the correction; Before I posted the question I followed it out that far and then continued 39 ...Rf6, but I guess that leaves black with a rook and white with a queen.

Thanks for answering my question.

Apr-28-06
Premium Chessgames Member
  kevin86: I missed it,shucks!! I missed the fork on move 41-I thought it was a goof.
Apr-28-06  bugeyes: Yeah! This is only the third Friday puzzle I have ever solved well (In about a year and a half of trying!) This is also the first time I have solved them all from Monday through Friday! It makes a dummy like me feel pretty darn good. Thanks to all during this time who have helped me see new things through their postings! I couldn'ta done it widdout ya! Saturday, here I come! (now primed for an utterly desolating failure...) ;)
Apr-28-06  EmperorAtahualpa: Excellent puzzle in a position that seems so simple!

I sadly missed it. :( I was thinking of 39.Re6.

Apr-28-06  Open Defence: <<YouRang:>> in your <alternate line> what about 40..♖e8 that should defend against the subsequent ♕e7+ but does that allow White any mate ? its just a thought at the top of my head so I hope I didnt blunder
Apr-28-06  Montreal1666: <eaglewing:> <<Montreal1666> and <Patzer2> You asked: Why 43. ... b4?

Before b4, White's threat was 44. d7.
If White ignores b4, there might be a danger to either be perpetualled or lose the pawn d7. If ignored, Black should try to swindle like this:

43. Qc7 b4
44. d7 Qd1+
45. Ka2 b3+
46. cb cb+
47. Kxb3 Qd1 or e6+ >

Ok. Thanks

Apr-28-06  azchess: <YouRang>, black's move 40 in your line could be stronger... if: 40. ... Rxd6, 41. Ra8+ Kf7, 42. Qf8+ Ke6, 43. Qxf6+ Kxf6 and black is ahead with a passed pawn
Apr-28-06  YouRang: <Open Defence> Hmmm. Good point-- 40...Re8 appears to be Black's best defense. However, I *think* White can still end up better:

After 39. Qh6+ Kg8 40. Ra7 Re8,
41. Rxa6 Rd8
42. Qd2 Qf1+
43. Ka2 Qf7
44. Qd4 c3+
45. b3 Qe6
46. Rb6

And I think black's queenside pawns fall.

Apr-28-06  Open Defence: <After 39. ♕h6+ ♔g8 40. ♖a7 ♖e8,
41. ♖xa6 at the top of my head 41..♖e6
Apr-28-06  YouRang: <azchess> <black's move 40 in your line could be stronger... if: 40. ... Rxd6, 41. Ra8+ Kf7, 42. Qf8+ Ke6, 43. Qxf6+ Kxf6 and black is ahead with a passed pawn>

But in that line (the first one I mentioned above), it should go:

39. Qh6+ Kg8 40. Ra7 Rxd6 41. Ra8+ Kf7 42. <Rf8+> (not 42. Qf8+). The skewer wins the queen.

Apr-28-06  YouRang: <azchess> On the other hand, Black can improve with 39. Qh6+ Kg8 40. Ra7 Rxd6 41. Ra8+ <Rd8>. After exchanging rooks, White can take the g6 pawn (with check) and then the a6 pawn. White is better, but only by a pawn...
Apr-28-06  YouRang: <Open Defence> But after 41...Re6, I think 42. Ra8+ will be mate shortly.
Apr-28-06  fgh: I got this one complete. Nice puzzle.
Apr-28-06
Premium Chessgames Member
  Richard Taylor: I solved this - I found the key move immediately it is clear that White is winning - Black needed to do better against the English varition of the Najdorf - someone played f3 v me and I got a good game by getting d5 in... The combination played was excellent by White and also his overall attack was instructive.
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