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Peter Leko vs Viswanathan Anand
Cap D'Agde FRA (2003) (rapid), rd 3, Oct-25
Spanish Game: Marshall Attack. Modern Variation (C89)  ·  0-1

ANALYSIS [x]

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Given 25 times; par: 66 [what's this?]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Nov-11-04  rclb: doesn't 37... Qh3 win as well?
Nov-11-04  2ndNature: I'm surprised that there are not too many comments today... Was it too difficult for Thursday? People don't care any more?

As for myself, I enjoyed that one - it took me a while to find that 37...Ng3+ is winning. Too much other options to look at, I guess.

2ndNature

Nov-11-04
Premium Chessgames Member
  cu8sfan: <2ndNature> Yes, I thought it was difficult and I didn't find the solution. The combination is nice, though. I'm surprised how long Leko played on.

In the US today is a holiday so all the guys that access this site from the office exclusively won't be around.

Nov-11-04  Marco65: On the contrary I think <37.Kf2> is better, but the position is so critic that for sure I missed something.

a) 37...Re4? 38.Qg5 forces queen exchange, because if 38...Qh3?? 39.Qd8+ Kh2(f2) 40.Ng5+

b) 37...Qh4+ 38.Ke2 doesn't lead to anything in my opinion

c) <37...Nf6!> is best try. Now:

c1) 38.Rg1? Qh3 should win, Black is threatening Qxh2+ and Ng4+, and the white king can't go to the e file because of Re4

c2) 38.Re1? Ne4+ 39.Ke2 Qg2+ 40.Kd3 Rxf3

c3) but the odd <38.Qd3> might save White, or at least survive some more moves, e.g. 38...Ne4+ 39.Ke1. I couldn't find a winnind sequence for Black there

Nov-11-04  cuendillar: Found the combination to Qxe3, including the sidelines posted by kevin86 and stopped there. Does that count as solving it? I did not think it too hard for Thursday, maybe too easy.

On the other hand I start getting good at finding forced sacrificial combinations. I am however too lazy to take the time finding those tactics that include quiet moves...

Nov-11-04  Bogdanel: found the combination and went until 41...Qxe3.Need to brag a little , cause usually I'm weak at tactics (-:
Nov-11-04  cheski: <I'm surprised how long Leko played on.> Maybe because it was a Rapid, and he was giving Anand the chance to go wrong as well :-)
Nov-11-04  cheski: Anand might have played 40....Qh3+ rather than 40....Rh4+, you never know with Rapid. There's always hope.
Nov-11-04  DanielBryant: I found the first three or four moves.
Nov-11-04  artemis: <cuendillar> Ng3+ is a very thematic move, opening the king to a corridor mate, unless the knight takes. This type of sacrificial play is coming more naturally to me, but one of the difficulties when people look at the position is visualizing it well enough to find that when the knight saves the checkmate, the queen will be unblocked.

To everyone: If you calculate to a won position, then you solved the puzzle. Calculating the lines afterwards are useful to find if you actually did solve it, or if there is an oversight (i.e. if the knight +rook could force a win vs the queen). After 41. ... it is pretty clear that black is winning, since the Queen is dominating the second rank and can simultaneously hold white's pawns from promoting quickly while expediting his own pawn promotion must give black a won position.

Nov-11-04  dac1990: Ha! Got this one.
Nov-11-04  The King Returns: Does anyone think the following subtle move also wins: 37...Qh3

This move pins the white knight against the white queen, attacks thr rook (which now must be guarded somehow by white), and also presents the threat of 38...Ng3+, where the knight cannot be taken because of the pinned pawn on h2.

So, after 37...Qh3, I only see one realistic response from White: 38.Kg1. If White tries to protect the Rook and Knight by 38.Qe2, then 38...Ng3+ wins the white queen outright.

So, at this point, we have: 37...Qh3 38.Kg1

I see a possible continuation of

a) 38...Rg4+ 39.Kf2 (forced) Nf4

At this point, all of the "spite" checks by white must be worked out. I tried my best, and it looks like black can escape the series of white checks by the queen, with:

40.Qe8+ Kh7 41.Qe4+ Kh6 42.Qxc6+ g6 (note that 42. Qe6+ would lose the queen due to the black knight on f4)

So, after the line in a) above, the white king would be "stuck" on f2 for the moment. If 40.Ke1, then 40 ...Ng2+ forks the white king and queen! If white tries 40.Rg1, this also loses a few different ways 40...Rxg1, and then if white captures with the King, it's checkmate, or if white captures with the knight, he loses the queen outright, with 41...Qxe3.

So, after the a) line above white seems out of options, and might just move a pawn, say 40.a3. So, to continue the line from a) above, we would have:

b) 40.a3 Rg2+ 41.Ke1 (forced) Re2+

At this point, white must trade its queen for the rook and knight. Play would continue:

c) 42.Qxe2 Nxe2 43.Kxe2

This leads to a similar ending of black queen vs. white rook and knight. So, I guess this line is not better than what Anand played, and it's longer, and the black queen is not in as dominant a position at the end (on h3 at the end of the whole line).

Nov-11-04  Marco65: <The King Returns> I din't examine 37...Qh3 because after 38.Kg1 you have just the position of move 36, so your point actually is that 38...Rg4+ is better than 36...Qg4+ that was played.

But 37...Qh3 38.Kg1 Rg4+ 39.Kf2 Nf4 40.Rg1 Rxg1 41.Nxg1 Qxe3+ 42.Kxe3 should be won by White

Nov-11-04  Rawprawn: I got it as far as 41...Qxe3 then gave up as black clearly eats the pawns and wins.
Nov-11-04  donhart: Even the Monday puzzles have baffled me, much to my discouragement. Now I look at this Thursday puzzle and instantly see the solution without having to think. I now know exactly what Capablanca meant when he said, "I know at sight what a position contains. What could happen? What is going to happen? You figure it out; I know it!" Of course, I am not fooling myself. Even now, I am sure, the clouds of darkness roll over my little ray of sunshine, and my intellect is benighted once again. Still...
Nov-11-04  Sadgrinner: <artemis> "Ng3+ is a very thematic move, opening the king to a corridor mate, unless the knight takes..." May I ask what you mean by corridor mate? We might have

38. Kg1 Nf5+
39. Kh1 Nxe3

Which leaves black with a ridiculously won position, but it's still not mate or 'corridor mate'. What is?

Nov-11-04  aw1988: I think it's Ng3+. A possible line is 37...Ng3+!! 38. hxg3 Qh3+! 39. Kg1 Qxg3+ 40. Kh1 Rh4+! 41. Nxh4 (forced) and now Qxe3 with a won endgame.
Nov-11-04  aw1988: Four in a row!
Nov-11-04  fgh: Solved in less than 2 seconds.
Nov-11-04  azedex: Hi, guys,first time caller as they say. It's a bit intimidating to chuck in my comment as a 'doh' type player but I have followed Anand's play recently and I must say he seems to be playing with total authority. In fact he seems to breeze past everyone in his path. Is he the Renaissance Man or am I just not looking closely enough? Great contributions and analysis from everyone, I need it big time. Thanks.
Nov-11-04
Premium Chessgames Member
  tpstar: <azedex> Hello! Welcome aboard! Please don't feel intimidated at all - many of us are "D'oh!" type players. ;>) Several observers on this site believe Anand is truly the strongest player in the world right now, however he is locked out of the World Championship title system for the time being.
Nov-11-04  Dionyseus: I saw Ng3+ hxg3 Qh3+ Kg1 Qxg3+ Kh1 in my head, but stopped there because I saw that the white knight was blocking the h4 square for the rook. If only I had seen that white can't take the rook because black would then take his queen.
Nov-11-04  RisingChamp: By the Way I saw the whole thing,but <cheski> said Anand might have played 40 qh3+.So what? At the worst he has to repeat moves and then he can play Rh4+.Is there something I missed?
Dec-07-04  artemis: a corridor mate is like a back rank mate. In this case, the queen is acting as the pawns blocking the king's movement, and the rook would deliver #. It is either # or a won endgame for black. I concede that it is not a checkmate, but the move is forcing due to the theme of trapping the king in a corridor.
Aug-15-12  LoveThatJoker: Guess-the-Move Final Score:

Leko vs Anand, 2003.
YOU ARE PLAYING THE ROLE OF ANAND.
Your score: 100 (par = 65)

LTJ

PS. I'm honoured to have hit the century mark! Par is now 68!

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