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Boris Gelfand vs Sergey Karjakin
Amber Tournament (Blindfold) (2008) (blindfold), Nice FRA, rd 1, Mar-15
King's Indian Attack: Yugoslav Variation (A07)  ·  0-1

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
Mar-15-08  GMNick: Mate is coming after Qh4+.
Mar-15-08  Voltaic: good game from Karjako, black's Q skates only along the black squares since move 24.
Mar-15-08  percyblakeney: Karjakin seems to be quite good at blindfold chess, in his first competition in Bilbao he had a bit of a slow start but won 4 of his 5 games in the second half of the tournament. That's 5 wins in his last 6 games now.
Mar-17-08  notyetagm: Black to play: 42 ... ?


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Here the White c3-queen meets the threat of ... ♕d8-h4+ by <PREPARING TO BLOCK> the <CHECK> from h3, i.e., ... ♕d8-h4+ ♕c3-h3.

And what does Weteschnik teach us? <OBLIGATION RESTRICTS MOBILTY> <<<The White c3-queen cannot leave the 3rd rank, or else she will not be able to <INTERPOSE> the <CHECK> from the Black queen on h4.>>>

Hence this <OBLIGATION> to meet ... ♕d8-h4+ with ♕c3-h3 <RESTICTS> the <MOBILITY> of the White c3-queen to the 3rd rank. <<<So the White c3-queen only -appears- to control squares along the c-file.>>>

With this important tactical point in mind, that the White c3-queen neither attacks nor defends any squares along the c-file, Karjakin (Black) struck with 42 ... ♖b6-c6!.

Position after 42 ... ♖b6-c6!


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Karjakin uses the tactic <REMOVE THE GUARD>: he attacks the White c3-queen defender from a square (c6-square) to which she cannot go and still be able to meet the threat of ... ♕d8-h4+ by <INTERPOSING/BLOCKING> on h3.

Hence 43 ♕c3x♖c6??, taking the "free" Black c6-rook, is a horrible mistake that allows a forced mate in 6.

Mar-17-08  notyetagm: (VAR) Position after 42 ... ♖b6-c6! 43 ♕c3x♖c6??


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Here is a good calculation exercise: calculate the <MATE IN 6> that begins from the above position with 43 ... ♕d8-h4+ and all the shorter mates in the line.

Here is my solution:

43 ... Qd8-h4+ 44 Kh1-g1 (44 Bg2-h3 Qh4xBh3+ 45 Kh1-g1 Qh3-h2#) ... Bf4-e3+ 45 Rf1-f2 Qh4xRf2+ 46 Kg1-h2 (46 Kg1-h1 Qf2-g1#) ... Be3-f4+ 47 Kh2-h1 (47 Kh2-h3 Qf2-g3#) ... Qf2-e1+ 48 Bg2-f1 Qe1xBf1#

Here are the mating position in the order they occur:

Position after 45 ♔h1-g1 ♕h3-h2#


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Position after 46 ♔g1-h1 ♕f2-g1#


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Position after 47 ♔h2-h3 ♕f2-g3#


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Position after 48 ♗g2-f1 ♕e1x♗f1#


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This exercise is a -terrific- example of a kingside attack powered by an <OPPOSITE-COLORED BISHOP>. It is -remarkable- how completely and utterly defenseless White is in all of these variations on the <DARK SQUARES>.

When I saw Karjakin play 42 ... ♖b6-c6!, offering a whole rook(!) just to get in a <CHECK> on h4, I figured that he must have seen a mate on 43 ♕c3x♖c6??. At first I did not believe it, since the White king has two(!) pieces defending him, the White g2-bishop and White f1-rook. But alas these White piece defenders are -powerless- to stop the Black mating attack on the <DARK SQUARES>.

A textbook example of a mating attack on the squares of a particular <COLOR COMPLEX>.

Mar-17-08  notyetagm: To reiterate my last kibitz, the variation beginning 43 ♕c3x♖c6?? ♕d8-h4+ is the very -best- example I have ever seen of the power of an <OPPOSITE-COLORED BISHOP> kingside attack.
Mar-17-08  notyetagm: <FRITZ 11> shows that 44 ... ♗f4-h2+ mates one move faster than my given 44 ... ♗f4-e3+.

(VAR) Position after 44 ... ♗f4-h2+


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So based on this <FRITZ 11> correction, 43 ♕c3x♖c6?? allows a mate in 5, not in 6 as I suggested.

Again, note the -tremendous- attack along the <DARK SQUARES> by Karjakin's queen and <DARK-SQUARED> bishop.

Mar-17-08  scholes: What happens if 46 .. Kxh6
Mar-17-08  malthrope: <scholes: What happens if 46 .. Kxh6>

Sergey's 46... Kh8 is the most precise! (no checks and as <notyetagm> has previously demonstrated mate [and/or winning the Queen] is eminent!). At the very least it made Gelfand resign immediately - it must be good! ~lol~ :)

Mar-17-08  notyetagm: <malthrope: <scholes: What happens if 46 .. Kxh6> Sergey's 46... Kh8 is the most precise! (no checks and as <notyetagm> has previously demonstrated mate [and/or winning the Queen] is eminent!). At the very least it made Gelfand resign immediately - it must be good! ~lol~ :)>

Have you -ever- seen a better example of an <OPPOSITE COLORED BISHOP> attack?

Mar-17-08  malthrope: <notyetagm: <malthrope>-<scholes> Have you -ever- seen a better example of an <OPPOSITE COLORED BISHOP> attack?>

Hehehe <notyetagm> ;) It's always a treat to see a <BOOC> dominance in the Middlegame or Endgame even! In terms of 'Classic purity' (Q + B vs Q + B with <BOOC>) I've always been quite fond of this one...

Reshevsky vs Bronstein, 1953

"Whizz KID" (game of the day May-29-06)
Zurich 1953 · King's Indian, Fianchetto, Classical Variation, 8.e4 (E68) · 0-1

The way in which David weaves his web (creating such beautiful <zugzwang> possibilities) in this classic 'KID' endgame is nothing short of miraculous! :^) All the Best, - Mal

Mar-17-08  minasina: Here is Rybka(?) analysis samples for this game: http://chessok.com/broadcast/live.p...
May-20-08  minasina: …Rybka analysis relocated (see my previous message): http://chessok.com/broadcast/live.p...
Jul-12-09
Premium Chessgames Member
  whiteshark: Here is anaother 2008 Black win of Karjakin:

[Event "Odessa (rapid)"]
[Date "2008.??.??"]
[White "B.Gelfand"]
[Black "S.Karjakin"]
[Result "0-1"]
[ECO "A20"]

1. c4 e5 2. g3 c6 3. d4 e4 4. Nc3 d5 5. cxd5 cxd5 6. Qb3 Nc6 7. Qxd5 Qxd5 8. Nxd5 Nxd4 9. Nc7+ Kd8 10. Nxa8 Nc2+ 11. Kd1 Nxa1 12. Be3 Be6 13. Bxa7 Nf6 14. b3 Ba3 15. Bd4 Ke7 16. Nb6 Rd8 17. e3 Bc5 18. Na4 Bxd4 19. exd4 Nxb3 20. Nc3 Nxd4 21. Kc1 Rc8 22. Kb2 Nd5 23. Nge2 Nxe2 24. Nxe2 Nb4 25. Nd4 Rd8 26. Nxe6 fxe6 27. Bc4 Nd3+ 28. Kc3 Nxf2 29. Rb1 Nd1+ 30. Kb4 Ne3 31. Bb5 Nd5+ 32. Kb3 Rc8 0-1

Jul-12-09  kurtrichards: The blind can see.
Jul-13-09
Premium Chessgames Member
  whiteshark: ... in the ocean of moves.

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