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Wolfgang Unzicker vs Paul Keres
Alekhine Memorial (1956), Moscow URS, rd 10, Oct-24
Spanish Game: Morphy Defense. Chigorin Defense Panov System (C99)  ·  1-0
ANALYSIS [x]

FEN COPIED

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Given 15 times; par: 38 [what's this?]

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Kibitzer's Corner
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May-01-06
Premium Chessgames Member
  patzer2: <Fezzik> <Erimiro1> Thanks for pointing out that this game is a fitting tribute to GM Wolfgang Unzicker! who passed away Apr 20, 2006. As a German Lawyer and Judge who played Chess as a pastime, he was one of the greatest "amateurs" of all times.
May-01-06  Sleepyeyeguy: Monday puzzles make me happy
Yay for rook sacs!
May-01-06  kavalerov: <durnstein> After your Kh7 line, 36. Bd5, pinning the knight on the queen, wins: 36. ♗d5 ♕d7 (or whatever) 37. ♗xc6 ♕xc6 38. d7 and the d-pawn will become a ♕
May-01-06
Premium Chessgames Member
  kevin86: Of course not,38 ♘xc4?? ♕xb3. Of course,that is the move I played-so I get an F- for today. I hope this week will not be this bad. :(
May-01-06
Premium Chessgames Member
  YouRang: I got it, but only after spending a minute or so putting all the elements together: what's pinning this, what's protecting that, etc. Anyway, I was determined to not miss a Monday puzzle (I don't think I've missed one yet).

An off day for Keres.

May-01-06
Premium Chessgames Member
  al wazir: <durnstein: Got a more convincing line for White?> If I had, I would have said so. But spurred by your challenge I found the pin of the ♘, and then noticed that <kavalerov> had already posted it.

In any case, ♖ + ♗ + ♘ vs. ♕ ought to be enough to win in this position.

May-01-06  Castle In The Sky: This is just right for a Monday, just difficult enough to warm up a few neurons, but easy enough to solve in under two minutes. Good job Chessgames in honoring the recently deceased Grandmaster Unzicker.
May-01-06  Timetraveller: <durnstein, al wazir, and kavalerov> It's really much simpler than that in the Kh7 line: After 33...Nxa5; 34. Bxe6+, Kh7; 35. d7, Nc6; 36. d8=Q, Nxd8; 37. Bf5+ is now totally convincing as 37...g6 is met with 38. Rd7+
May-01-06
Premium Chessgames Member
  BishopofBlunder: <EmperorAtahualpa: *&^%$#$%^&*#$!!!! Can't believe I actually missed a Monday puzzle. :( I thought 38.Nxc4 would do the job.> You are not alone, EA. I went for 38.Nxc4 as well. I completely overlooked 38...Qxb3, raining on white's picnic.

But then, I have been away from solving the puzzle's for over a week now, so I have a built-in excuse... :)

May-01-06  euripides: <patzer> After 25...Qxe7 26 Ba2 is there a satisfactory way for Black to contest the c file ? It would be interesting to know whether Keres missed 26 Bxd6! or judged it the lesser evil for him.
May-01-06  Paintbucket: That was an easy one.
May-01-06
Premium Chessgames Member
  beenthere240: It's amazing that Black was never able to effectively break the pin along the b3-g8 diagonal. Makes you wonder if 26 ....Nd7 would have been better than ....f6. Also I think Patzer2's nomenclature is wrong and he meant to say 25 Bxe7?
May-01-06
Premium Chessgames Member
  patzer2: <Euripides> <After 25...Qxe7 26 Ba2 is there a satisfactory way for Black to contest the c file?> White's c-file control is hard to contest and it may be best to concede that and play for other off-setting advantages (i.e. share of the center and a little Kingside expansion or attack). However, if Black wishes to contest the c-file he just might have a chance here.

One possible line in a c-file fight here might go 25...Qxe7 26. Ba2 Nd7 27. Rc1 Nhf6 28. Bb1 Nb6 29. Qc7 Qxc7 30. Rxc7 Rc81 31. Rxc8+ Nxc8 =.

Anyway, I can definitely see your point. At best Black is fighting to hold the draw and defend against a simple but strong White position in the 25...Qxe7 line, whereas the game continuation is a bit more dynamic and better suited to Keres' active playing style. Indeed, Keres may have seen all this and chose to allow the Queen sacrifice as his best chance between two unpleasant alternatives.

May-01-06  euripides: <pater 25...Qxe7 26. Ba2 Nd7> 27 Qc7 may be more incisive. Then if 27...Nf6 White can play 28 Ne2 and it's still not easy for Black to contest the c file. Perhaps, as you suggest, Black should try to get f5 organised quickly.
May-01-06
Premium Chessgames Member
  patzer2: <euripides> If <25...Qxe7 26. Ba2 Nd7 27. Qc7>, then 27...Re8 28. Rc1 Nc5 = seems to hold for black. However, I suspect you're probably right about Black needing to try and get in a fairly early f5 and trying for a little Kingside expansion to offset the c-file control by White.
May-01-06  euripides: <patzer 25...Qxe7 26. Ba2 Nd7 27. Qc7 Re8> my thought was 28 b4 (preventing Nc5) but I see 28...Ndf6 then attacks e4. White could then try 29 Qc2 to be followed by Rc1 and Bb1 or Ne2, but Black can simply return with 29...Nd7. Or Black could try using the knights on the king's side after move 28. So maybe the whole thing doesn't work.

May-01-06
Premium Chessgames Member
  patzer2: <beenthere240> Thanks for the correction! I did indeed intend 25. Bxe7 Qxe7 in my previous post.
May-01-06  En prise: Thank you everyone for all the great analysis of today's puzzle. I got it but it did take a few minutes and it wasn't on the first move I looked at. I agree with obit in that even a Monday puzzle shouldn't be a "gimme". Nice job chessgames. I am also sorry to hear about GM Unzicker's passing. Imagine if he was a professional chess player!!!!
May-01-06  Joshua01: Even in his rare losses, I've always found his games very instructive.

For those who have not read it yet, his "Think like a Grandmaster" should be required reading for all chess players. One of those rare "theory" books with immediate benefits! Haven't really read anything for quite a while, but probably safe to say that this was among the best in my collection.

May-01-06  durnstein: <Timetraveller, al wazir, and kavalerov> Good points all. I suppose the comment by some of the other folks that Keres should been content with the conservative 25 ... Qxf7 is the best point. I admire his playing for the complications, though.

Kavalerov, Qxd7 would be particularly disastrous for Black: then Bg8+ followed by RxQ.

May-01-06  midknightblue: Boo Yea! bangin' out monday puzzles like nobody's business.
May-01-06  chessmoron: Does this line 33...Qd7 34. Bxc4-bxc4 35. Bb4-h5 work on black?
May-02-06  durnstein: <chessmoron> What was it you meant instead of 35. Bb4-h5, which doesn't exist??
Jan-10-09  WhiteRook48: Bb4-h5 is not a legal move.
Oct-16-14
Premium Chessgames Member
  Beancounter: An absolutely superb game by Unzicker.
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