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Laszlo Szabo vs Lajos Portisch
HUN-ch 14th playoff (1959), Budapest HUN, rd 7
Nimzo-Indian Defense: Normal Variation. Gligoric System Exchange at c4 (E54)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Sep-03-05
Premium Chessgames Member
  Sneaky: I pretty much had the right idea but I thought it would conclude 34.Rxf5 exf5 35.Re7. Is that valid?
Sep-03-05
Premium Chessgames Member
  jahhaj: I like this puzzle because unless you're a GM you aren't going to be able to see all the moves. But you can get it to a position where your judgement tells you that Black has no chance.

Then all you need is the confidence to back your judgement.

Sep-03-05  child of my tears: <Sneaky> Yes that's definitely valid. Qxd4 just puts mate off for a while.
Sep-03-05
Premium Chessgames Member
  Sneaky: <child of my tears> Thanks for the approval. Off-topic: I was wondering because of your name, you must be a Benoni player, right? Aren't you afraid of the Taimanov attack?
Sep-03-05
Premium Chessgames Member
  jahhaj: <sneaky, child of my tears> Aren't you forgetting that the Queen is en prise after 34...exf5. It might be winning for White with another move but 35.♖e7 loses to 35...♖xh6

Or maybe you're talking about a different line? I'm thinking that Sneaky meant 34.♖xf5 instead of 34.♕g6+ as played in the game.

Sep-03-05
Premium Chessgames Member
  Sneaky: You're right, I was so pleased in noticing that the knight was pinned that I overlooked the obvious. My line makes no sense at all.
Sep-03-05
Premium Chessgames Member
  jahhaj: <Sneaky> OT but why does being called child of my tears make you a Benoni player? It can't be that bad can it? Personally I'm afraid of playing the Taimanov Attack (or the flick-knife as we call it round here). But then again I so dislike the Benoni that I sometimes play 3.♘f3.
Sep-03-05
Premium Chessgames Member
  Sneaky: "Ben oni" is Hebrew for "Child of My Tears", sorry for drifting off topic, let's take this over here Benoni Defense (A56)
Sep-03-05
Premium Chessgames Member
  kevin86: White threatens mate in two places by the rook-if black captures the rook-the other rook does the dirty deed.
Sep-03-05  ransom: Could someone help me see why black could not play 33...Kf7? It seems to cover the threats and allows the king to eventually escape to the queenside.
Sep-03-05  Saruman: <ransom> 33.-Kf7!? 34.Rxf5+ exf5 [Nf6 Qxf6+ Ke8 Bxe6( ) or 34.-Ke7 35.Qg7+ Kd8 36.Rf8#] 35.Qh7+ etc should be a draw for white but no more. So I can't answer it either.
Sep-03-05  atrifix: <jahhaj> <In real games I play such moves on feel rather than trying to calculate them precisely. I've learned that if I do try precise calculation I'll make a mistake anyway, so intuition is better.>

Rather like saying that you do not try to anticipate your opponent's next move because you usually make mistakes when doing so, or that you do not play chess because you have learned that you usually make mistakes. Calculation and intuition both complement each other and are inseparable.

<Maybe I should buy Jacob Aargaard's book on chess calculation, has anyone read that?>

Yes--the book is on the whole good, if rather standard (main advice: solve tactical puzzles, endgame studies, and pawn endings; don't try to solve 2 similar lines at the same time when calculating but instead compare them, etc.). I can recommend the book, anyway. I really have not found anything better than Kotov's suggestion in Think Like a Grandmaster of playing over annotated GM games and working out the variations for yourself when they get very complex. Kasparov's books work very well for this. Also check out the Inner Game of Chess by Soltis if you haven't yet. It's a little disorganized but mostly original.

Sep-03-05  snowie1: 18...Ra/c8? taking aim at the backward pawn which he grabbed 33...Rxc3, and left his King alone on the 8th rank. White was viggling on to checkmate while Portisch was left to plucking pawns.
Sep-03-05  patzer2: As <Marius> and <child of my tears> point out, the reply 32...Kf7!? makes White's win a bit difficult. I must admit all I could initially find was a draw by repetition.

So I turned to my trusty computer and Fritz 8 for help in finding the following winning lines:

33... ♔f7!? 34. ♕h7+ ♔f6

[(A) 34... Kf8 35. Rxf5+ exf5 36. Re7 Nxe7
37. Qf7#;

(B) 34... Ke8 35. Rxf5 Ne7 36. Rf7 Rc7 (36... Kd8 37. Rxe7 ) 37. Qg7 Bd5 38. Qf8+ Kd7 39. Bxd5 Rxd5 40. Rxe7+ Kc6 41. Qa8+ Qb7 42. R1xe6+ Rd6 43. Rxc7+ Kxc7 44. Re7+ Rd7 45. Rxd7+ Kxd7 46. Qxb7+ ]

35. g4! ♕c7

[(C) 35... Rxc3 36. R1e4 Rc1+ (36... fxe4 37. g5#) 37. Kg2 Qc7 (37... fxg4 38. Rg5 Kxg5 39. Rxg4+ Kf6 40. Qg7+ Kf5 41. Qg6#) 38. g5+ Kxg5 39. Rg4+ Kf6 40. Rg6#

(D) 35... Rc7 36. Qh8+ Kg5 37. gxf5 exf5 38. h4+ Kf4 (38... Kg6 39. h5+ Kf7 (39... Kg5 40. Rxf5+! Kh4 (40... Kxf5 41. Qe5#) 41. Kg2 Ne3+ 42. Rxe3) 40. Qh7+ Kf8 41. Re8#) 39. Rxf5+! Kxf5 40. Bc2+ Kf4 41. Qe5+ Kxf3 42. Bd1#]

36. ♖xe6+ ♖xe6 37. ♕xf5+ ♔g7 38. ♖xe6 ♕f7 39. ♕g5+ ♔f8 40. ♗xd5 ♗xd5 41. ♖f6 (41. ♕xd5 is Fritz 8's preference) 41... ♖xc3 42. ♖xf7+ ♗xf7 43. f4) 34. ♕g6+ ♔h8 35. ♖xf5 ♕xd4+ 36. ♔h1 .

Sep-03-05  Happypuppet: 33... Kf7 seems like a tough defense to crack. My best guess is 34. Qh5+.

e.g.
34... Kf6 35. g4 fxg4 36. Qg5+ Kf7 37. Rf5+ Ke8 (37... exf5 38. Re7+ Kf8 39. Qg7#) 38. Qg7.

I didn't look that hard at the other moves... I'm just kind of intuitively thinking (or futily hoping?) that White has a somewhat easy continuation.

Perhaps we should get some software in on this. @_@

Sep-03-05  ransom: thank you patzer2
Sep-03-05  atrifix: 33... Kf7 34. Qh7+ Kf6 35. R1e4! wins. if 35... fxe4 36. Rh5 and Rh6+ mates.
Sep-03-05
Premium Chessgames Member
  jahhaj: <atrifix> I think its too slow, after 35...♖c7 it looks to me like Black's king is going to escape to the quuen side.

BTW appreciated your comments on books on chess calculation. The only book I had previously read on this was Kotov's and I didn't get on with that. Just too difficult and I don't think his methods are for everyone. Apparently after it was published one famous GM (I don't remember who) went round accosting other GM's saying 'Do you think like a tree? I don't think like a tree'.

Sep-03-05
Premium Chessgames Member
  jahhaj: <atrifix> Just put my computer onto 35.♖1e4 and looks like you are right.
Sep-03-05  patzer2: <Happypuppet> <33...Kf7 34. Qh5+> is a pretty good <best guess>. Fritz 8 assesses 33...Kf7 34. Qh5+ Kf6 35. g4! Ke7 (other moves lose quickly) 36. gxf5 Kd8 37. Bxd5 Bxd5 38. fxe6 Bxe6 39. Qg5+ Kc7 40. Rc5+ Kb7 41. Rxe6 Rxc5 42. Qe7+ Rc7 43. Qxd6 Qxd6 44. Rxd6 (+1.44 @ 14 depth & 1328kN/s). This should be sufficient for an endgame win.

<atrifix> Indeed, your <33... Kf7 34. Qh7+ Kf6 35. R1e4!> also wins. For example after 35...Qc7 36. Rxe6+ Rxe6 37. Qh6+ Ke7 38. Qxe6+ Kf8 39. Re5 , White will regain the piece with a clear win in sight.

So, after 33...Kf7, it appears White can win with either 34. Qh7+! or 34. Qh5+! And that <artifix>'s followup 33... Kf7 34. Qh7+ Kf6 35. R1e4! may win as decisively and with fewer complications than in the 33... Kf7 34. Qh7+ Kf6 35. g4! line.

<ramsom> You're welcome. Hope you found the analysis and exchanges helpful. <artifix> and <Happypuppet> thanks for the alternative winning lines after 33...Kf7!?

Sep-03-05
Premium Chessgames Member
  al wazir: <patzer2: If 20. Bxf6, then 20... Nf5 turns the tables and wins for Black.> Thanks, I saw 20...Ng6 but I didn't think of Nf5.
Sep-03-05  suenteus po 147: Interesing puzzle. I saw 32.Bxh6 first, completely on instinct, but I'll be darned if I could ever have come up with 34.Qg6+ and 35.Rxf5 on my own.
Sep-03-05  brainzugzwang: It should be pointed out, I think, that if Black tried 36... Qf2 in the game's actual final position to defend the mate threats (instead of taking the f5 rook), White still mates after 37.Rh5+ Kg8 38.Qd8+ Qf8 39.Rg5+, followed by 40.Qxf8 and mate within a couple of moves. Maybe obvious, but I was looking for alternatives to 36...exf5, which even I could see led to the one-move mate.
Sep-04-05  gulliver: This is for child of my tears. As I am a born Israeli and speak heabrew , it is a novelty for me to discover that child of my tears means ben oni. I always thought it has another meaning - ben oni. on means in hebrew power usually the power of a man and also in the context of a male's sexual ability. Therefore a farm that breeds oxes ( the cow's male) might be called in Israel On farm. That's because they take the semen of the ox to inject it to cows and control the breeding of them
Sep-04-05  atrifix: <jahhaj> "I don't think like a tree. Do you think like a tree?" has been attributed mainly to GMs Anatoly Lein and the late Tony Miles, and I agree. Kotov's book is a little dated. But I thought his suggestion of trying to guess the variations for yourself in complicated annotated games and comparing your annotations with the author's was a particularly good one. Aagaard's book is good, but simpler and more run-of-the-mill.
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