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Svetozar Gligoric vs Fridrik Olafsson
Portoroz Interzonal (1958), Portoroz SLO, rd 6, Aug-13
Spanish Game: Morphy Defense. Modern Steinitz Defense Fianchetto Variation (C76)  ·  0-1

ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
Nov-07-07  zb2cr: <leow>, in your suggested line following 40. ... Qe6, White is up by a Rook and has the luxury of at least 3 winning moves:

44. Re7+ as suggested by <rhedrich>. 44. Rxg6 as suggested by <Gryz>. Or, simplest of all, 44. d7, Kxe6; 45. d8=Q with a simple win.

Nov-07-07
Premium Chessgames Member
  Jimfromprovidence: There’s a beautiful queen sacrifice that leads to a pawn promotion available to black if white elects to play on after the forced exchange of his queen for a rook.

The position after 40… Qc6 41 Qf1 Qc2 42 d7 Rxd7 43 Rxg6+ Kh7 44 Ra6 Rd1 45 Ra7+ Kg6 46 Ra6+ Kg5 47 Ra1 Rxf1+ 48 Rxf1 looks like this...


click for larger view

Black then continues 48… f4 49 h3 f3 50 Re1 e3 51 Rxe3 Qc1+ 52 Kh2 Qxe3! 53 fxe3 f2 54 g4 f1=Q

The subsequent position is the following...


click for larger view

Nov-07-07  TheaN: 3/3

At least... I played the line of the game exactly. After

40....Qc6 41.Qf1 (Qxc6 Rd1# / Qe2 Qc1+) Qc2 with Rc1. RandomVisitor pointed out that Kg7 is more accurate but is a lot harder to see XD.

Nov-07-07  zanshin: <PKNJ: 40 ... Qb7 also works, doesn't it?>

Here's some Fritz 10 analysis (21-ply). 40...Qb7 is good for White because it gives time to move the King safely while allowing an attack on the Black's King. Black needs to keep an eye on his g-pawn as well as against a check on the 7th rank after Re6:

1: Svetozar Gligoric - Fridrik Olafsson, Portoroz izt 1958


click for larger view

1. (-6.98): 40...Qc6 41.Qf1 Qc2
2. (1.92): 40...Kg7 41.Rxg6+
3. (8.92): 40...Qb7 41.h3 Kg7 42.Re6 Rd1+ 43.Kh2

Nov-07-07  SickedChess: took me 5 seconds to get it! quite easy like a monday puzzle!
Nov-07-07  YouRang: <Jimfromprovidence> <The subsequent position is the following...>

Er, black would probably want to promote to a BLACK queen. ;-)

Nov-07-07  pshuk: what about 40. Qf7 ?
Nov-07-07
Premium Chessgames Member
  kevin86: This one was quite obvious. Black wants to break the pin on his rook so he could deliver a lethal blow on the first rank. So he finds a spot where the queen can make threats of her own. The only hope of a defense is 41 ♕f1 after which black moves the queen down to focus for an attack at d1. There is no escape!
Nov-07-07
Premium Chessgames Member
  kevin86: <pshuk> 40... ♕f7?? is an egregious error. White would counter with 41 ♕c8+ and the queen will be captured WITH CHECK when the black king movto the second rank.AND,even the rook would fall afterward.
Nov-07-07  mworld: Nice, an easy one for wednesday :)
Nov-07-07  znprdx: <zanshin: <PKNJ: 40 ... Qb7 also works, doesn't it?>> Did you look at my Qc2 resource?
Nov-07-07
Premium Chessgames Member
  fm avari viraf: The first thing that came to my mind was 40...Qf7? but White simply wins with 41.Qc8+ & the second was 40...Kg7 then 41.Rxg6+. But finally, I saw White's vulnerable back rank & so 40...Qc6! should win as White will lose his Queen to stave off the mate.
Nov-07-07
Premium Chessgames Member
  Jimfromprovidence: <YouRang>
<Er, black would probably want to promote to a BLACK queen. ;-)>

Sorry. It's foggy in Southern California this morning.

The (corrected) subsequent position is the following...


click for larger view

Nov-07-07  zanshin: <znprdx: Did you look at my Qc2 resource?>

<znprdx> Qc2 did not show up in the top 3 replies. If I slide forward 1-ply to this move, then we have the following quicky (18-ply) analysis where Black regains the advantage:

1: Svetozar Gligoric - Fridrik Olafsson, Portoroz izt 1958


click for larger view

1. (-0.66): 41...Qc6 42.Qb1 Kg7 43.Re6 Qb6 44.Qa1+ Qd4 45.Qxd4+ Rxd4 46.f3 exf3 47.gxf3 h5 48.f4 Kf7 49.Re7+ Kf6 50.Re8 Rxd6

2. (-0.50): 41...Qa6 42.Qb1 Kg7 43.Re6 Qb6 44.Qa1+ Qd4 45.Qxd4+ Rxd4 46.f3 exf3 47.gxf3 Kf7 48.Re7+ Kf6 49.Rh7 Rxd6 50.Rxh6 Kg7

3. (-0.32): 41...Rd2 42.Qc1 e3 43.h4 exf2+ 44.Kh2 f1Q 45.Qxf1 Qe4 46.Rxg6+ Kh7 47.Rg3 Rxd6 48.Rf3 Qxh4+ 49.Kg1

Nov-07-07  znprdx: in retrospect <PKNJ> and <zanshin> isn't it a bit counter-productive to be analyzing the less than best move?, clearly since Qc6 as played is to the point.
Nov-07-07  YouRang: <Jimfromprovidence><Sorry. It's foggy in Southern California this morning.>

California? Hmmm, for some crazy reason I thought you were from Providence. :-)

Nov-07-07
Premium Chessgames Member
  Jimfromprovidence: <YouRang> <California? Hmmm, for some crazy reason I thought you were from Providence. :-)>

I’m bi-coastal. Spent my formative years in New England. Then on to grad school at UC-Santa Barbara. Decided to stay and it's been 20+ years out here. You never can forget your roots, though, especially if you were raised in that part of the country.

Nov-07-07  sandmanbrig: Why can't white play 39 Qxc4+ followed by 40 Qc3 ? Am i missing something?
Nov-07-07  zanshin: <znprdx: in retrospect <PKNJ> and <zanshin> isn't it a bit counter-productive to be analyzing the less than best move?, clearly since Qc6 as played is to the point.>

<znprdx> Not necessarily. Sometimes I analyze alternative moves just to see if indeed the best move was played. I often use engine analysis on classic chess games to see if maybe the masters missed anything. Sometimes moves marked !! Fritz assesses as 2nd best (at least at <=20 ply).

Nov-07-07  unorthodox: What's wrong with ...Rd1+?
Nov-07-07  scolley: 40...Rd1+ cannot be played, the Rook is pinned to the King...
Nov-07-07
Premium Chessgames Member
  whiteshark: Glic missed a lot of good moves from 30 onwards.
Nov-08-07
Premium Chessgames Member
  Breunor: Patzer,

Thanks for the help! It looks like Gligoric self destructed between moves 35 and 40. I guess he was in bad time trouble?

Breunor

Jun-04-12  Call Me TC: <...in 1958 I was a half point behind Tal in the Interzonal in Portoroz. I might have been first because I lost a completely winning game against Olafsson in his time-pressure. Three times I had a win and then I still had a draw, but I played fast because of his flag. But it didn't fall (laughs) and I lost.> (NIC interview, 1989)
Aug-11-16  zydeco: <sandmanbrig> 39.Qxc4+ Kg7 40.Qc3 and black's rook becomes desperado. Say 40....Ra3 41.Rxg6+ Kxg6 42.Qxa3 Kf6. Black wins the d-pawn. White has an advantage in the endgame but it's probably a draw. In any case, an improvement on Gligoric's line.
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