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Efim Geller vs Albert Kapengut
USSR Championship (1971), Leningrad URS, rd 10, Sep-28
Gruenfeld Defense: Exchange Variation (D85)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
Mar-26-06  Alex S.: Nxg6+ would be brilliant if Qxg6 didn't pin the white Queen to checkmate at g2.
Mar-26-06  WarmasterKron: <ReikiMaster> No, I meant hxg6. I hadn't noticed Qxg6 which renders the knight sacrifice rather pointless.

Never mind, at least tomorrow's Monday.

Mar-26-06  dakgootje: Missed it, went for the losing Nxg6
Mar-26-06  tefjlives: I came up with 22. f3. It is actually a brilliant move, b/c it moves the queen off the diagonal so you can sac the knight on g6. Only slight problem is that Qxe3 is check.
Mar-26-06  Cogano: Hi folks & I hope you're all doing well. My first time ever getting a Sunday puzzle. I'm so happy. I missed Friday's & yesterday's. But, it was otherwise a very good week for me, in that I got all the others. Enjoy the rest of your weekend folks.
Mar-26-06  EmperorAtahualpa: I actually guessed the first move correctly, but that's more luck than wisdom. :)
Mar-26-06  Cogano: Ah come on <Emperor>. Don't be so hard on yourself & don't be so modest. I, for one, completely trust in your abilities. :) Way to go for getting it my friend! :) Take very good care & enjoy what's left of your weekend.
Mar-26-06  joeaverage: <tefjilves> I also thought 22. f3 and I even saw the Qxe3 check. Unfortunately, after 23. Kh8, black can play Qxe4 since the bishop no longer protects the knight. It doesn't look too good for white. It's tough to figure out a weekend puzzle without a physical board and pieces in front of me.
Mar-26-06  independentthinker: Wow - I got the move, but completely missed black's reply! A good lesson here - make sure you check forcing replies. I made my move and immediately thought: black has to move his queen, without considering black coulc counter punch by taking the knight. I'm happy though - got my first Sunday puzzle.
Mar-26-06  Organizer: Geller's positional play was superb!
If ... BxQ, then Bd4x! Then all black can do is block at g7 with the B or R.

Either leaves a mating play by white's remaining rook.

Mar-26-06  kevin86: Put me in for Ng6+? Missed again.:(
Mar-26-06  Nezhmetdinov: Got the first move then thought - ah yeah, that'll be fine then. I wish I could be bothered to analyse right through.... Big problem in my game generally....
Mar-26-06  Brown: <Eatman...As for 22. ... Qe5 then 23. Nxg6+ hxg6 24. Qh3+ Qh5 25. Rh4 should be easily winning>

For 22...Qe5 I had 23.Nxg6+ hxg6 24.Qh4+ Qh5 25.Qxe7, but I see your line is clearly better.

Mar-26-06  Hektor: I found that the most difficult part of this puzzle was to sort through this melee of rooks, knights, and bishops and calculate how to take advantage of black's overworked pieces. I got white's first 2 moves but for some reason overlooked the mate sequence that follows if black plays 25. ... Bxe4: my mind was too set on finding a way to steal a minor piece. This only goes to show the importance of keeping an open mind to all possibilities when playing chess. Nice puzzle selection!
Mar-26-06  Mendrys: I'll admit it. I briefly looked at sacking the queen but saw that it wouldn't come close to working. My wife, who doesn't know much about chess but always makes logical moves comes up and says "just move the rook by the queen" indicating Rd4, looked reasonable to me! We didn't really solve it though. The mate threat on g2 caused me problems.
Mar-26-06  ckr: I got 22,23,24 through a lot ov experimentation, then for 25. I played 25.Bd4+ (+3.25 Crafty) instead of 25.Qxe4 (+3.48 Crafty)
which was not at all a bad move, but then blew right by the win and blew it with

26.Rc8+ Bxc8 27.Qxe4 Rxe6 almost

Maybe next Sunday

Mar-26-06  Spohn: I saw 22.Rd4 and thought that 22...Qe5 was forced and decided that 23.Nxg6+ was good for the point. After 23...Rxf4 i tried not to look at the scoresheet while i figured out the answer but i cheated... good puzzle for sunday!
Mar-28-06  patzer2: White's sham sacrifice offer 22. Rd4! decisively exploits White's weakened castled position.
Oct-05-07  sanyas: Geller was a mind-bogglingly good tactician.
Jan-25-09  WhiteRook48: yep, and mighty good to draw Janosevic in 1968
Mar-22-09  WhiteRook48: 22 Rd4 is a real sacrifice
Nov-21-10  sevenseaman: ...22Rxf4 proves costly.
Feb-09-12  Naniwazu: The real mistake was 13...Bb7. Black should have played e6 to prevent d5.
Feb-09-12  drukenknight: Not sure I understand this at all; what if in the game (and solution) black plays 23...Bf8?
Feb-09-12
Premium Chessgames Member
  Sastre: 23...Bf8 24.Rxf8+ Rxf8 (24...Kg7 25.Rg8+ Kf6 26.Bxf4) 25.Bd4+ Rg7 26.Qxe4 Bxe4 27.Rc7 wins.
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