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Lev Polugaevsky vs Tigran V Petrosian
USSR Championship (1960), Leningrad URS, rd 14, Feb-16
Nimzo-Indian Defense: Normal Variation. Gligoric System Exchange at c4 (E54)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 1 OF 2 ·  Later Kibitzing>
Mar-13-04  Tigran Petrosian: Very nice game by Polu.
Mar-13-04  drukenknight: a famous game featured in Evan's book (Modern Chess Brilliancies). He says:

" 13...Qc7? The innocent offender. Correct is 13...Qd7 14 e4 Rad8 15 Bg5 QxKP..." citing Najdorf Smyslov, 1962 Havana.

I was thinking of something even before that. COmments?

Mar-13-04  Tigran Petrosian: I agree. Qc7 offers extra protection to f7.
Mar-16-04  drukenknight: Going over this game w/ crappy computer, it turns out that Evans' commentary barely scratched the surface of what is happening in this game. I dont know if he was going from a Russian source or the analysis is his own....

First off: 13...Qc7 seems to make no difference in the game. The big problem came later.

Second: What I was looking at was the desperado action following 12...Bxf3 which does seems to be fine for black and very interesting:

12.....Bxf3
13. Qxf3 Ne5
14. Qe2 Qe7
15. exf7+ Kh8
16. bxc3 Nxc4
17. Qxc4 Rxf7
18. Bb2 Raf8
19. Re1 Ne4
20. f3

Finally the key to the game was move 18, Evans says he cannot take the N because then "if 18...QxN then 19 P-K5 decides."

Does it?

18...Qxd8
19. e5 Qe8
20. e6 Rf6
21. exd7 Qxe2
22. d8=Q+ Rf8
23. Be3 Rxd8
24. Rxd8+ Kf7
25. Rd7+ Kf6
26. Rxb7

Mar-22-04  Tigran Petrosian: I mean Qe7.
Aug-03-04  arielbekarov: This is only a very quick reaction without any deeper analyse, and it must be a good reason for Petrosian NOT to take Polugaevsky's knight on d8. Instead is he moving 18. ... Ba6.
I am sorry, BUT I cannot understand why black not is taking the knight in move 18. I will look again, but if some more clever person than I can help, I would be happy ! Ariel
Aug-03-04
Premium Chessgames Member
  Chessical: arielbekarov: Petrosian may have analysed something along these lines:

<18...Qxd8> 19.e5 Qe7 (19...Qh4 20.e6 Re7 21.Rxd7) 20.e6 Rf6 21.Rxd7.

He cannot get out of the pin and move his N fast enough to avoid the e pawn.

Aug-03-04  arielbekarov: Thank you Chessical !
It looks quite reasonable. I will anyhow print it and take a look. It is like an adventure to analyse games and I am just a beginner in it. Botvinnik's statement : " Study your own games meticulously. That's the only way to become a master ! " It is not quoted word by word, but as I remember it.
Thank you !
Ariel
Aug-03-04  arielbekarov: <Chessical> Indeed, after having just looked again (a few minutes later), it wouldn't have helped him by taking 18 ...Qxd8.

But, I will see, if there was a way for Petrosian to save the game. I don't think so.

No, now I feel very energetic to work with this. I have always heard the importance of it, but I could never discipline myself to analyse my own games. On the surface, yes ! But analysing all possible lines. It's hard work, but the reward is, of course, worth gold ! Ariel

Aug-03-04
Premium Chessgames Member
  Chessical: arielbekarov: Amazingly, Petrosian may have been able to eat the e pawn after all:

18...Qxd8 19.e5 <Qe8> 20.e6 Rf6 21.e7 Rg6 22.f3 Kf7 23.Qc4+ Kxe7;

but it would have taken nerves of steel, (and possibly a steel stomach).

Aug-03-04  arielbekarov: <Chessical> I will study this carefully ! This is really interesting !

Good nerves are very helpful !
How chess mirrors life outside the world of chess. I can never stop being thrilled by this art, science and game. All in one !
Ariel

Aug-04-04  arielbekarov: Dear <Chessical> ,

I have taken a look with help of my chessboard, and I'm afraid the consequence of <18...Qxd8 19.e5 Qe8 20.e6 Rf6 21.e7 Rg6 22.f3 Kf7 23.Qc4+ Kxe7> will be 24.Re1+ Re6 25.Qxe6+ and then all hope is ...

I believe more in the line that <drukenknight> presented.

I take upon myself the right to defend my perhaps incorrect analyse, because of being in the beginning of this enormous interesting activity. Ariel

Aug-04-04  acirce: <24.Re1+ Re6 25.Qxe6+ and then all hope is ...>

24.Re1+?? Bxe1

Aug-04-04  arielbekarov: Yes ! You are right, the Bishop can still move. I tend to neglect some pieces. Thank you for telling, until my theory was rooted severly. What about 24. Bd2 or b4, BUT black will get out of the pin, I suppose. Thank you for the correction ! One has to look out !
Ariel
Aug-04-04  arielbekarov: <Chessical> Sorry for missing such a simple thing as a bishop. So, I guess your analyse is still going strong. Ariel
Aug-08-04  patzer2: I looked at the 18...Qxd8 line and verified Drukenknight's analysis with Fritz 8. Looks like 18...Qxd8?! has been justly condemned, and is actually a losing move.

After 18...Qxd8 19. e5 Qe8 20. e6 Rf6
21. exd7 Qxe2 22. d8=Q+ Rf8 23. Be3 Rxd8 24. Rxd8+ Kf7 25. Rd7+ Kg6 26. Rxb7 Qxb2 27. Rd1 Qxa2 28. Rxa2 Qb3 29. Rd6+ Kh5 30. h3!Bc3 31. Re7 Qb1+ 32. Kh2 Bf6 33. g4+ Kg6 34. g5 Fritz 8 assess the position as a clear win for White(+3.69 @ 17/40 depth & 1345 kN/s).

Aug-09-04  arielbekarov: I have only seen this particular "Frits 8" on photo. I haven't been dealing with any of these programs so far. It looks interesting to me ! So this is obviously what Petrosian calculated without computer !!

Only a little comment !
Aren't many users consulting like for instance "Fritz 8" too early ? Sometimes, after having played a game online. Some players immediately ask Frits for a brief analyse, and I think, there is a danger that we too quickly use computer aid, where we could pratice our brain instead. This is a computer question in general, so I know this particular game isn't the right place. But, <patzer2> you have have mentioned Frits, so the thoughts came quite naturally. Do you have, or anybody else a comment on my thoughts ?

Whatever, thank you very much for your contribution, because it shows what the great players are able to calculate. Greetings !
Ariel

Aug-09-04  patzer2: <arielbekarov> I usually look at the position and try to figure it out myself, and then only use the computer in really difficult positions to confirm my analysis or to look for other options.

I jokingly refer to my own resources (analysis without a computer) as MOWPB-1 (My Old Wood Pushing Branin - Version 1). I occasionally use Chess Master 9000, but have found Fritz 8 to be stronger and a much more user-friendly analysis tool. It finds most of the "brilliant forced combinations" within seconds, but sometimes struggles to find the best continuations in unclear and closed positions. To get really reliable stuff from Fritz 8, you have to be patient and let it run as high as 19 to 20 depth in unclear positions.

I agree that one should first try to solve the problems on their own before using the computer. Otherwise, there is a temptation to let the computer do all the calculation without thinking for yourself (much like calculators have made people lazier when it comes to understanding and performing basic mathamatics computations).

Aug-10-04  arielbekarov: <patzer2> Indeed, I think anything what we have can be used in at least two ways. Your way of using the computer sounds great !

I must find a name for my brain as well. I think I have one, a brain , I mean, but sometimes I do wonder ?

Perhaps I will call for you, when I have some more questions about the different programs. Thanks !
Ariel

Aug-10-04  patzer2: <arielbekarov> You certainly do have a brain! Your amusing comment reminds me of a line from the Wizard of Oz, where the scarecrow who thinks he doesn't have a brain is awarded a "diploma" because many of those in the highest levels of education have no more brains than the scarecrow. But they have the one thing he doesn't have -- a diploma!! At least in Chess titles like Expert, Master or International Master or Grand Master must be truly earned.

However, sometimes I find myself agreeing with the Wizard in concluding that a Doctorate Degree or diploma in higher education doesn't necessarily mean the recipient has more brains than the scarecrow.

Aug-10-04  iron maiden: <patzer2> I also agree. It's sort of like knowing a lot of opening theory: it's only useful if you have the technique to put that theory to use.
Aug-11-04  arielbekarov: <patzer2> Thank you for your generosity !

Yes ! This is from the film with Judy Garland as a very young girl. It's a great one ! Long time passed without seeing it.

This interests me a lot ! But I will take up this discussion on perhaps Kibitzer's café. I can only tell, if a violinist wants to have a seat in a symphony orchestra, he can bring ten brilliant diplomas, but the conversation might be something like this :

- Very, very nice diplomas ! You must be quite a violinist !

- Yes ! I guess so.

- So, take up your violin and play
something what you know and then we
will let you play something that you
are not prepared for.

- ( with surprised face ) I didn't
bring my violin ............

Ariel

May-20-09  numbknight: 18. ... Qxd8 19. e5 Bc6 20. e6 Re7 21. Bg5! Is why Tigran didn't take the knight on d8. Analyis by Chesslab, http://www.chesslab.com/PositionSea...
May-20-09  numbknight: ps, i think that 11...bxc3? is a blunder.

11. ... exd5 12. Nxd5 Nxd5 13. Bxd5 Bxd5 14. Rxd5 Qe7 15. Bd2 appears to

Take not that
12...fxe6? is a blunder.

12. dxe6 fxe6
13. Bxe6+ Kh8
14. bxc3 Qe7
15. Bc4

Aug-29-10  sevenseaman: ..13. Qd7 may be a tad sounder than Qc7, in the end, Polu was the form guy of the day.Polu going for the QR rather than the KR seems subtly advantageous in that the N could stick it out in the 8th rank to increase mating chances.


click for larger view

Its a very competently played game and Polu has a very dominating grip from here.

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