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Jan Timman vs Oscar Panno
Mar del Plata (1982), Mar del Plata ARG, rd 4, Feb-12
Queen's Gambit Accepted: General (D20)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Dec-28-13  Patriot: White is down a pawn. Black threatens 34...Qxf6.

White is poised very aggressively, while black is in an almost completely defensive posture with except to the attack on white's knight.

One very forcing candidate comes to mind, while another defends: Rxe6 or Qf3.

34.Rxe6 fxe6 35.Qxe6

Here white threatens primarily 36.Qe7.

35...Kg7 and I don't see any progress.

Now trying, 35.Rxe6

35...Kg7 and I don't see progress here either.

So 34.Rxe6 is wrong, or I'm missing something here. Let's try 34.Qf3:

34.Qf3

34...Kg7 35.Nxh7 Kxh7 36.Qxf7+ Ng7 37.Re7 Qf8 38.Rh4+

34...Kg7 35.Nxh7 Nd4 36.Rxd4 Qxd4 37.Qf6+ Kxh7 38.Qxf7+ Kh6 and this looks bad for white!

I don't know, and it's getting very late! There is probably a quiet move somewhere, like 34.Rxe6 fxe6 35.Qxe6 Kg7 36.Ng4.

Dec-28-13  Steve.Patzer: After 38. Nf6+ Kh8 what happens?
Dec-28-13  Amadori: First 4 moves on a "very difficult". Hey, there's hope for me!
Dec-28-13  Shams: <Steve.Patzer> Good question. I'm sure others can find stronger but 39.Qe5 Rf8 40.g4 looks very strong, intending g4-g5/Re7. If 40...h6 41.h4 g5 42.hg hg 43.Qxg5 1-0. The knight is such a beast on f6.
Dec-28-13  Moszkowski012273: 36.Rh4... is a stronger continuation.
Dec-28-13  morfishine: We will need to examine some candidates

(1) <34.Rxe6> fxe6 35.Rxe6 Qd4 36.Rd6 (or 36.Re8+ Rxe8 37.Qf7 Qxf6 38.Qxf6+ Kg8 with a drawn position) ...Qxd6 37.Qf7 Qxf6 38.Qxf6+ Kg8 draws

(2) <34.Nxh7> Kxh7 35.Rxe6 fxe6 36.Rxe6 Qd5 37.Re7+ Kg8 38.Qe3 Qf7 39.Rxf7 Kxf7 40.Qf4+ and also drawn (though netting one more pawn than the line startaing with 34.Rxe6)

(3) <34.Qf3> Qe7 35.Rh4 h5 36.Rhxh5+ gxh5 37.Qf5 This looks very strong but Black can defend after 37...Kg7

We must re-examine the candidates for improvements

(1) <34.Rxe6 fxe6> and now not 35.Rxe6? but <35.Qc3!> Besides defending the Knight, the threat of exposed check is difficult, if not impossible for Black to defend


click for larger view

I don't see a defense for Black. After 35...Kg7? White forces the win with 36.Nh5+ Kh6 (36...Kf7 37.Qg7+ Ke8 38.Nf6+) 37.Qg7+ Kg5 38.Re5+

*****
PM: Great finish by White! I thought 35...Qe7 was impossible due to 36.Nd5+ attacking the Black Queen, Black simply plays 36...Qg7; 37.Rxe6 was very nice

*****

Dec-28-13  Whillz: Beautiful play by timman.... I'm rooting for him today against Karpov
Dec-28-13  Cheapo by the Dozen: My first thought was

34 Qf3 Kg7
35 Rh4 Qxf6
36 Rxh7+

But Black has too many defenses such as 35 ... Nf8 or perhaps even the ugly-looking 35 ... g5.

Then I looked at

34 Rxe6 fx36
35 Something x e6

But either way, it looks like Black can play Qf8, give a bit of material back, and have a solidly defensible position.

So I feel stumped.

Dec-28-13
Premium Chessgames Member
  agb2002: White is one pawn down.

Black threatens 34... Qxf6.

White can avoid the threat and incorporate the queen into the attack with 34.Rxe6, removing one of two defenders, 34... fxe6 and now:

A) 35.Qxe6

A.1) 35... Qf8 36.Rh4

A.1.a) 36... h5 37.Nxh5 gxh5 38.Rxh5+ Kg7 39.Rg5+ Kh8 (39... Kh7 40.Qg6+ and mate in two) 40.Qe5+ Kh7 41.Qe4+ and mate in two.

A.1.b) 36... Qg7 37.Nxh7 Qxh7 (else 38.Ng5+) 38.Rxh7+ Kxh7 39.Qf7+ Kh6 40.g4 and White seems to have the better ending. For example, 40... b5 41.f4 Rh8 42.g5+ Kh5 43.Qd7 and 44.Qd7#. Or 40... Rf8 41.Qxb7 Rab8 42.Qxc6 and if 42... Rxb2 then 43.Qc1+ wins one rook.

A.2) 35... Rc8 36.Rh4 (36.Qf7 Rc7 but not 36... Qc7 becase of 37.Re8+) 36... Rc7 (36... h5 36.Qf7 followed by Qxg6 winning) 37.Qe5 Qe7 unclear.

B) 35.Qc3

B.1) 35... Kg7 36.Ne8+ Kh6 (36... Kf7(8) 37.Qg7+ Kxe8 38.Rxe6+ Qe7 39.Qxe7#) 37.Qe3+ Kh5 (37... Qg5 38.Rh4#; 37... g5 38.Rh4+ Kg6 39.Qxe6+ Qf6 40.Qxf6#) 38.Ng7#.

B.2) 35... Qc7 36.Ne8+ wins.

B.3) 35... Qe7 36.Rxe6

B.3.a) 36... Qxe6 37.Ne8(h5)+ and mate in two.

B.3.b) 36... Qf7 (or 36... Qg7) 37.Qe5 followed by Re7 winning. If 37... a4 38.Re7 Ra5 then 39.Qxb8+ wins.

I think I'd play 35.Qc3 instead of 35.Qxe6.

Dec-28-13  Gato: Hello morfishine ;

(3) <34.Qf3> Qe7 35.Rh4 h5 36.Rhxh5+ gxh5 37.Qf5 This looks very strong but Black can defend after 37...Kg7

36 : If the other raw takes the pawn there is a mate.

Dec-28-13  gofer: I don't think this is very difficult (to start with)...

<24 Rxe6 fxe6>
<25 Qxe6 ...>

White is threatening Qe7 mating as 26 ... Qxe7 27 Rxe7 leads to the classic "R + N mate in the corner". So defenses like, b5, Rc8, Ra7, Qc7 etc are all too slow.

25 ... Kg7
26 Nxh7! ...

26 ... b5, Rc8, Ra7, Qf8, Qc7 etc
27 Rg4 winning

26 ... Kxh7
27 Qf7+ ...

27 ... Kh8
28 Qxg6 mating

27 ... Kh6
28 Re6 Qg5
29 h4! winning (but there are lots of variations!)

<25 ... Qf8>
<26 Nxh7! Kxh7>
<27 Rh4+ Kg7>
<28 Qd7+ Qf7>
<29 Rh7+ Kxh7>
<30 Qxf7+ >

~~~

But I have got the wrong second move so no wonder I am not thinking it was that difficult...

Dec-28-13  gofer: A really beautiful finish by Timman! I wasn't even close...
Dec-28-13  morfishine: <Gato> Yes, of course
Dec-28-13
Premium Chessgames Member
  Penguincw: Great followup after 34.Rxe6.
Dec-28-13
Premium Chessgames Member
  kevin86: Black stepped headlong into checkmate.
Dec-28-13  beenthere240: It's interesting -- I felt that 34 Rxe6 was the way to go, so I just made the move and played it out, guessing the continuations. And those moves were easy to find over the board.
Dec-28-13  beenthere240: On another note, I wonder if black looked at 28...f6, which weakens his position, but appears to win the exchange.
Dec-28-13
Premium Chessgames Member
  Jimfromprovidence: I diverted from the text with 38 Rf6.


click for larger view

Black can voluntarily give up his queen after 38...gxh5 39 Rxf7 Kxf7.


click for larger view

White should be able to pick up 1 or both of the h pawns from here.

Black's other choice is to play either 38...Qc7 (used below) or Qe7. Now white can follow with 39 Qc4+ Kh8 40 Rf7!, below.


click for larger view

The threat is 41 Qc3+ with a forced mate. Now black has no choice to give up his queen for the rook and knight.

Dec-28-13  vajeer: Another possible continuation is 35...Qf8 on which White can reply 36. Rh5. Then,

A1. 36...h6
37. Ng4+ Kg8
38. Rxh6 Kf7
39. Rh7+ Ke8
40. Nf6+ Kd8
41. Qe4+ Kc8 leads to Qe7#

A2. 36...h6
37. Ng4+ Qg7
38 Rxh6+ Kg8
39. Nf6+ Kf8
40. Qc5+ Kf7
41. Rh7 is winning for White

B. 36...h5
37. Nxh5+ Kg8 (or Kh7)
38. Nf6+ wins

Dec-28-13  vajeer: I just realized that my above analysis was flawed, because 36....Qg7 seems to hold. The right continuation after 35...Qf8 seems to be 36. Nxh7+
Dec-28-13  PJs Studio: I never considered 34.Rxe6 because the idea is squirrelly IF white DOESN'T see the followup 35.Qc3!! White must see that it's a winning net or he can't go in for the rook sac. More proof that when GM's are lost in thought over the board, they aren't thinking about baseball.

A Very strong game by a super GM. My crappy idea of Rh5 allows ...Nf8!

Dec-28-13
Premium Chessgames Member
  Mendrys: Completely overlooking the fact that White's Knight is en-prise I went for 34. Rh4 h5 35. Rexh5+ gxh5 36. Rxh5+ Kg7 37. Qc3 If the queen were on c1 instead of d1 this would be winning. Alas, in the game 34...Qxf6 would quash everything.
Dec-28-13  Dezaxa: 32... Reb8 seems to be the fatal error. Any reason why not 32... Re7 ?
Dec-28-13  Olavi: <Dezaxa> After 32...Reb8, black can at least try to evict the Nf6 with ...Qd8. After 32...Re7 and presumably 33.R1e4, with the pin on the e-line, white probably follows up with Qg3-h4 or something. Such at least are the thoughts during a game, perhaps in some time trouble. And indeed, if white didn't have the combo 34.Rxe6, black might be fine.
Dec-28-13  PJs Studio: ?? Wow! Is that Galic ^?

Steve.Patzer made a great observation...

I computer checked some of Panno's moves and ...38Kh8! Is far better. Possibly black can hold a draw?? However, NO ONE HERE OTB would want to play Kh8. It is counterintuitive to place one's king INTO a discovery. Chess (especially for us wood pushers) is a feel game at times. So... we can't blame Panno for 38...Kf8

My program also showed 38.Rf6 is faster than 38.Nf6+ Yet...still...these are bright men playing without the help of a ten move horizon. Very nice feel by Timman. A great player before computers could even beat a USCF expert.

Exciting and forceful game.

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