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Peter Svidler vs Rustam Kasimdzhanov
Hoogovens Group A (1999), Wijk aan Zee NED, rd 6, Jan-23
Sicilian Defense: Kan Variation. Wing Attack (B43)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Jun-23-13
Premium Chessgames Member
  Once: Fritzie confirms that 27. Ref1 and 27. Rgf1 also lead to a strong advantage to white of more than +4. 21. Rxg5 is the strongest move although you do need to see 29. Qg7.
Jun-23-13  stacase: 27 Rook sacrifice was fairly obvious.
Jun-23-13  newzild: I anticipated the first four moves, but missed the obvious 31. Qxb7, prefering to give check with the queen.

Poor visualisation of the board!

No point for me.

Jun-23-13  DarthStapler: I got the first two moves
Jun-23-13  Abdel Irada: <newzild: I anticipated the first four moves, but missed the obvious 31. Qxb7, prefering to give check with the queen.

Poor visualisation of the board!

No point for me.>

I disagree. You may not have analyzed through the main variation, but you found much of it.

I suppose, if you wanted, you could borrow an idea from <LoveThatJoker> and award yourself fractional credit. In this case, for example, you might say you earned 0.6 points.

In any case, what you did find was not worthless. Give yourself credit for that.

Jun-23-13  goodevans: The whole concept from <19.g5> onwards looks brilliant and I can't see any obvious improvements for black that would have saved him. Does anyone have gone analysis of what happens after <23...Bxh1>?
Jun-23-13  Abdel Irada: <goodevans: The whole concept from <19.g5> onwards looks brilliant and I can't see any obvious improvements for black that would have saved him. Does anyone have gone analysis of what happens after <23...Bxh1>?>

White can meet that with 24. Rxe5, sealing the black king's intended line of escape. Then, depending on Black's continuation, he mates in any of several ways.

Jun-23-13  Gato: After 3'04 engine gives mat in 40.
Jun-23-13  fokers13: This is no sunday puzzle................
Jun-23-13  mistreaver: Sunday. White to play. 27.? Insane?
Since it is Sunday i will go for something crazy like: 27 Rxg5
It looks very tempting, the threat is mate on the move. Black has two defences
A) The primitive approach:
27... fxg5
28 Rf1+ Ke8
and now is the moment when one realizes that after say 29 Qg8+ Kd7
29 Qg7+ 30 Kc6
white has absolutely nothing and can resign.
Apart from that try, i don't see any other convincing move. 27 Bc4 and 27 Nxc5 are the only alternatives but they seem to be easily refuted. I will just check what was acctually played, this is too much for me. ---------------
Lol, instead of useless checks white can renew the mate threat with Qg7! Brilliant stuff.
Jun-23-13  anandrulez: <DarthStapler: I got the first two moves >The key is ofcourse finding that Qxb7 wins a Rook atleast with a mate threat because of Qf7 . Well played by Svidler .
Jun-23-13
Premium Chessgames Member
  chrisowen: Go back to what i call cup your terming queen cinch,

bet a rook g5 ment queen shipped over h7 sussed as,

altered 27.Rxg5 one bin flowed see made wind castleindeed knight a4 vantage very pocket blow,

affable mission it now in oaf queen a5 bout b3 time c5 off,

a gain g5! At light up the rook fxg5 28.rf1+ aka,

fleeing king has e8 only knight could also interpose a wave spark off hoofed in fetching 28...nf5 although oh you lash ar hungdrawn 29.Rxf5+

mated in three dervish b7 segmented hug hes queen in goofballs 29.Qg7 I missed giving food for,

thought d8 only about room to squeeze e8 ar buckles the trend in sight off a 31.qxb7 l0 win duplicitous kind you f7 end queen be effect fly in the face off,

danger f7 black is on shaky ground see bed in a4 or,

take glide a d7 mate go fin eg answer lies in,

weight ah dutifuls queen be epicentre 29.Qg7 bless,

your heart sic. fluned e1f ideal as tinker g7,

too out of my range.

Jun-23-13
Premium Chessgames Member
  Jimfromprovidence: <Abdel Irada>

I followed the same line as your 27 Rxg5 Nf7 28 Rg7 Bd5.


click for larger view

There is a devestating move by white in addition to your winning 29 Qg8+, that is 29 Bxe4!


click for larger view

Jun-23-13  Patriot: Time limit: 5 minutes
Material: Black is ahead 2 pawns

27.Rxg5 (threatening mate) fxg5 28.Rf1+ Ke8

Here I wasn't sure how to proceed. However, I'm not sure white has a choice but go for something crazy like Rxg5 (else lose without a fight).

Jun-23-13  Patriot: 29.Qg7! - A very subtle, yet powerful threat!
Jun-23-13  vlado23: why not 9.. Bxe3?
Jun-23-13  Shams: <vlado23> Click 'find similar games' and scroll down to white's 9th; you'll find a dozen or so games in that line.
Jun-23-13  jancotianno: Found the hard stuff very easily and took ages to realise that on move 31 the queen can just take the bishop it's weird how the brain can miss things like that.
Jun-23-13  sethoflagos: Just for interest:

27.Ref1 Qd8 - a desperate move but I can't find an improvement

28.Nxc5 Nf7 29. Ne6+ Ke7 30.Nxd8


click for larger view

Now take your pick

30...Raxd8 31.Rxf6 Bd5 (31... Kxf6 32.Rf1+ Ke5 33.Qxf7 Bc8 34.Qf6+ Kd5 35.Qxd8+) 32.Rgf1 Rf8 33.Bc4 Rxc4 34.bxc4 Be6 35.Qxe4


click for larger view

30...Rdxd8 31.Rxf6 Bd5 (31...Kxf6 32.Rf1+ Ke5 33.Qxf7 Kd4 34.Qc4+) 32.Rgf1 Rf8 33.Bxe4


click for larger view

30...Bd5 31.Nxf7 Bxf7 (31...Rf8 32.Nxg5+ Kd8 33.Qg7 Rg8 34.Ne6+ Bxe6 35.Qxf6+) 32.Rxf6 Rf8 33.Rgf1


click for larger view

On the face of it, this is at least a match for the move played.

Jun-23-13  Amarande: What's protecting Black? Not a lot. His Queen, Bishop, and Rooks are completely ill disposed to fend off a brisk attack, nor do they pose any serious counterthreats to the White King; only his King's side pawns and his Knight provide any real guardianship.

Meanwhile, White can blow open the pawn cover easily with Rxg5. It costs a Rook, but the second Rook is then immediately able to step into the attack with check. As a result, accept or not, Black's King comes under the immediate fire of the Queen and a Rook, while he has only the Knight to provide any last-ditch defence.

And so, it's really a day for Rxg5 first and ask questions later. The later move Qg7 does look to be necessary, but it's not hard to find, and it's also the sort of thing you can, as a general rule of lopsidedly overpowering attacking resources like this, worry about "when you get there." :)

Jun-23-13
Premium Chessgames Member
  numbersguy70: <nottogoodabeginner: often times I AM able to do the puzzle from the position given. The problem with me is I could never get to those positions in the first place.>

Everyone has that thought, but getting there is for most is a bit like poker. Play good cards, use the strategy you know, and see if things fall into place. Hook with chess is that it's rarely obvious when things fall into place.

Open lines for bishops and rooks. Fourth and fifth ranks for knights. These all bait your hook. I think it was Tartakower (who always had the best quotes, in my correct opinion) who said, "Get the knight to K5, and checkmate will happen all by itself."

Jun-23-13
Premium Chessgames Member
  numbersguy70: Takes stones to deliberately leave your king in the center against someone over 3 years into the World Championship cycle. I'm sure Rustam had a plan, but c'mon...
Jun-23-13  sethoflagos: <Amarande: .... nor do they pose any serious counterthreats to the White King>

Worth noting that even if it were black to move at the puzzle position, he has no material defence to Rfe1.

White essentially has a free move. I quite liked

27.h4 Rc8 28.Ref1 Rc7 29.Qh8+ Ke7 30.Rxf6 Ne8 31.Rf8 Bc6 32.Rxg5 Rd6 33.Bxe4


click for larger view

White has quietly solved the few problems he had without need for anything spectacular, and can pick off black's pieces at will.

Jun-23-13  tcoxon39: I think black was doing okay until 23...e4

It's not an obviously bad move, and I'm not sure what else to do. I think black's only hope is to try to put together an attack on the king. Maybe 23...c4

Jun-24-13  M.Hassan: "Insane"
White to play 27.?
White is 2 pawns down.

White benefits if <27...exd3 28.Re7 Qd8 29.Qg7#> therefore, keeps Rook e on e1 and moves the other Rook:

27.Rgf1 f5
28.Rxf5+ Nxf5
29.Qxf5+ Ke7
30.Rf1 exd3 (if)
31.Rf6+ Ke5
32.Qf5#
Let's check.

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