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Fabiano Caruana vs Vassily Ivanchuk
Tradewise Gibraltar (2011), Catalan Bay GIB, rd 9, Feb-02
Spanish Game: Exchange. Gligoric Variation (C69)  ·  0-1

ANALYSIS [x]

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Kibitzer's Corner
Feb-02-11  notyetagm: F Caruana vs Ivanchuk, 2011


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28 ♘g3-f1?


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Here Caruana (White) has played a very subtle error that Ivanchuk (Black) pounces on immediately.

As GM Maurice Ashley would say, what is the <DRAWBACK> of playing 28 ♘g3-f1? ?

28 ... ♘e6-d4!


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The <DRAWBACK> of 28 ♘g3-f1? is that it <LEFT BEHIND> the e2-square.

With 28 ... ♘e6-d4! the Black d4-knight now <FORKS A FORKING SQUARE>. That is, the Black d4-knight is attacking both the <UNDEFENDED> White c2-queen *and* the e2-checking/forking square, which White has just reduced his control over with the very hard to see blunder 28 ♘g3-f1?.

The point is that a move like 29 ♕c2-b2, trying to protect both the White c3-pawn and the e2-tactical base simply drops the c3-pawn with 29 ... ♕c5xc3! because the White b2-queen is then <OVERLOADED>.

(VARIATION)
29 ♕c2-b2 ♕c5xc3! <overloaded: c3,e2>


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A *tremendous* example of Ivanchuk's <TACTICAL ALERTNESS> and of what GM Ashley calls <DRAWBACK CHESS>, looking for the weakness (weakening the e2-square) in your opponent's last move (28 ♘g3-f1?). Caruana is a strong 2700-rated GM and he completely overlooked this possibility.

Feb-02-11  notyetagm: Game Collection: KNIGHT CHANGES COLOR WITH TEMPO,FORKS FORKING SQ

F Caruana vs Ivanchuk, 2011 28 Ng3-f1? Ne6-d4! forks White c2-queen,e2-checking/fork square

Feb-02-11  fisayo123: Not one of Fabiano's best games against the genius that is Ivanchuk.Funny how 28.Nf1 loses almost instructively for white.
Feb-02-11  notyetagm: <fisayo123: Not one of Fabiano's best games against the genius that is Ivanchuk.Funny how 28.Nf1 loses almost instructively for white.>

Yes, I was *shocked* to see that 28 ♘g3-f1? was losing to 28 ... ♘e6-d4!, and that 2700-rated Caruana overlooked this tactical idea.

Feb-03-11  ughaibu: It's a fascinating notion, "almost instructively", but what does it mean?
Feb-04-11  cormier:


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Analysis by Fritz 12:dpa

8.h3 Bh5 9.b3 0-0-0 10.Ba3 Qe6 11.Bxf8 Rxf8 12.Qd3 Bxf3 13.Qxf3 Ne7 14.Nd2 Rd8 15.Qe3 Kb8 16.Nc4 Ng6 17.Rad1 Rhe8 = (0.25) Depth: 23/54 01:31:48 5997mN
8.h3 Bh5 9.b3 0-0-0 10.Ba3 Qe6 11.Bxf8 Rxf8 12.Qd3 Bxf3 13.Qxf3 Ne7 14.Nd2 Rd8 15.Qe3 exd4 16.cxd4 Rhe8 17.Qd3 = (0.20) Depth: 24/53 02:17:43 9064mN

Feb-04-11  matherd1: Beginner's question: What's wrong with 29.Qb2, protecting both the c3 pawn and preventing checks on e2?
Feb-04-11
Premium Chessgames Member
  perfidious: <matherd1> 29.Qb2 doesn't change anything, as Black plays ....Qxc3 anyway. (30.Qxc3 Ne2+ and ....Nxc3)
Feb-04-11  checkmateyourmove: <perfidious> i played poker before chess but now thinking of going back into poker... would love to chit chat about the game and what you prefer now online or live. email me at leoinoakland@yahoo.com thanks!
Feb-04-11  cormier:


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Analysis by Fritz 12:dpa

8...Bh5 9.b3 0-0-0 10.Ba3 Qe6 11.Bxf8 Rxf8 12.Qd3 Nh6 13.Nbd2 Rd8 14.Qe3 Kb8 15.dxe5 fxe5 16.Qg5 Bg6 17.Nxe5 Rxd2 18.Nxg6 Rhd8 = (0.20) Depth: 25/59 03:04:50 12172mN
<8...Bh5 9.dxe5 fxe5> 10.Na3 Rd8 11.Qe2 Nf6 12.Nc4 Qe6 13.Na5 Bxf3 14.Qxf3 b6 15.Nb3 Bd6 16.Qe2 0-0 17.Bg5 a5 = (0.08) Depth: 26/64 13:17:47 52457mN

Feb-05-11  cormier:


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Analysis by Fritz 12:dpa

<9.h3 Bh5 10.Na3> Rd8 11.Qe2 Nf6 12.Nc4 Qe6 13.Na5 Bxf3 14.Qxf3 b6 15.Nb3 Bd6 16.Qe2 0-0 17.Bg5 a5 18.Nd2 = (0.15) Depth: 28/64 10:08:55 41340mN

Feb-05-11  Hesam7: Is 7. ... Qe7 really a novelty? 45 years ago Gligoric played: 7. ... exd4 in Fischer vs Gligoric, 1966. Does Fischer mention 7. ... Qe7 in his analysis in "My 60 memorable game"?
Feb-05-11
Premium Chessgames Member
  Eyal: <45 years ago Gligoric played: 7. ... exd4 in Fischer vs Gligoric, 1966. Does Fischer mention 7. ... Qe7 in his analysis in "My 60 memorable game"?>

No - he gives some <very> detailed analysis of other moves in the opening, but after 7...exd4 there's only the laconic "an alternative is 7...Bd6 holding the center". However, according to a larger database such as http://db.mychess.com/, 7...Qe7 was (of course…) already played in a couple of obscure correspondence games during the 90s.

Feb-05-11  Hesam7: <Eyal> thanks. Now thinking about the game I don't like White's 9. Re1. Maybe 9. Qd3 was an alternative?
Feb-05-11  Hesam7: <Eyal: No - he gives some <very> detailed analysis of other moves in the opening, but after 7...exd4 there's only the laconic "an alternative is 7...Bd6 holding the center". >

Maybe we should use the same idea for White. Another move I like is 8. Be3 O-O-O 9. Nbd2:


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How will Black develop his K-side? White is on the other hand almost done with the development.

Feb-05-11
Premium Chessgames Member
  Eyal: Yes, 8.dxe5 fxe5 helps Black's development by clearing the f6 square for the knight, and perhaps it also gives up too quickly the tension in the center. On the other hand, after 8.Be3 exd4 White can't recapture with a pawn (otherwise apparently he just loses e4 without enough compensation), and so can't keep his strong pawn center - this seems to be at least one point of 7...Qe7.
Feb-06-11  Hesam7: <Eyal: Yes, 8.dxe5 fxe5 helps Black's development by clearing the f6 square for the knight, and perhaps it also gives up too quickly the tension in the center. On the other hand, after 8.Be3 exd4 White can't recapture with a pawn (otherwise apparently he just loses e4 without enough compensation), and so can't keep his strong pawn center - this seems to be at least one point of 7...Qe7.>

8. Be3 exd4 9. Qxd4 Bxf3 10. gxf3:


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And despite the doubled pawns White is doing very well: 10. ... Qf7 11. Nd2 Ne7 12. Rad1 with f4-Nf3 to follow.

Feb-07-11  cormier: <Hesam7: <Eyal> thanks. Now thinking about the game I don't like White's 9. Re1.> for sure 9.Re1 ain't the move 7.Qe7 is good i'm also on that 9.move ..... tks
Feb-08-11  PokerPro: agree
Feb-08-11  cormier: i'll get a minor-chigery on thursday and should be back on monday <<PokerPro>> ..... tks
Feb-09-11  kurtrichards: <28.Ng3-f1?> To err is human... to forgive not is Vassily!

Even Kasparov erred...nobody's perfect.

Feb-09-11  4tmac: 7. ..Qe7! 8. h3!?
Feb-13-11  cormier: i've tried it with <9.h3,Bh5>


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Analysis by Fritz 12: dpa=31

10.Na3 Rd8 11.Qe2 Qe6 12.Nc2 Nf6 13.Ne3 Nxe4 14.g4 Bf7 15.Re1 Nd6 16.Nc2 e4 17.Bf4 Kd7 18.Ncd4 = (0.01) Depth: 29/65 37:07:54 151371mN
10.Be3 Nf6 11.Nbd2 0-0-0 12.Qc2 Rg8 13.Qb3 Bf7 14.c4 h6 15.Qc3 Re8 16.Rfe1 Qb4 17.Qc2 g5 = (0.03) Depth: 29/65 54:14:26 218220mN
10.Be3 Nf6 11.Nbd2 0-0-0 12.Qc2 Rg8 13.Nc4 Bxf3 14.gxf3 Qe6 15.Qb3 Qxh3 16.Rfd1 Bd6 17.Na5 b5 18.Nxc6 Qxf3 19.Nxd8 = (0.00) Depth: 30/65 82:49:38 333570mN
<10.Be3 Nf6> 11.Nbd2 0-0-0 <12.Qc2> Rg8 13.Nc4 Bxf3 14.gxf3 Qe6 15.Qb3 Qxh3 16.Rfd1 Bd6 17.Na5 b6 18.Bxb6 Qxf3 19.Nxc6 = (0.00) Depth: 31/68 167:40:34 680679mN

(, ---------- 13.02.2011)

Aug-18-14  Ulhumbrus: Ivanchuk obstructs his own queen by 7...Qe7 instead of getting his king's bishop out first by 7...Bd6. The queen frees the bishop four moves later by 11...Qe6. If this is good for Black it seems a useful thing to know about

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