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Alexander Morozevich vs Magnus Carlsen
Biel Int'l Festival (2006), Biel SUI, rd 7, Jul-31
Sicilian Defense: Nezhmetdinov-Rossolimo Attack (B30)  ·  0-1
ANALYSIS [x]

FEN COPIED

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Given 22 times; par: 92 [what's this?]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 30 OF 30 ·  Later Kibitzing>
Jul-31-06
Premium Chessgames Member
  chancho: <pferd: I challenge you to find Black's losing move>

It looks like it was 25...h6

Jul-31-06
Premium Chessgames Member
  keypusher: I think <chancho> is right, since Capablanca missed a win by either 29. Rxe8 Qxe8 30. Qa4 or 29. Qb5, according to <honza>'s convincing analysis over on the game page.

Of course Capa blew it with 29. Qa8? and Thomas blew it even worse by resigning, but is resignation really a move? :-)

Jul-31-06  Hesam7: <tamar: Still not an iron-clad win though, as <acirce> pointed out.

27 b4 Bb6 (27...Bxb4 28 Qa4) 28 Qe2 Bf7 29 c5 Bc7 30 Rxf6 Rd1+ 31 Rf1 Rxf1+ 32 Qxf1 Kb7 and White still has work to do.>

In the above line 30 Rxf6? is an error Black can play: 30...Bc4! 31 Qg4+ (31 Rf1? R3d4 ) 31...Kb7 32 g3 Bd5+ 33 Kg1 Be5 does not look good for White. White has to play 30 Bg5!, after: 31...fxg5 32 Rxf7 Rd1+ 33 Rf1 Rxf1 34 Qxf1 Kb7 35 g3 Rd5 36 Qb1 we arrive at almost the same position:


click for larger view

Jul-31-06  messachess: messachess: <awfulhangover> Do they drink a lot even in the summer in Norway? Just kidding. So, Negi, yeh: I don't know his games, but he's getting mentioned, that's for sure. He's probably a little young to try to beat a top GM like Karjakin and Carlsen have. We'll see. He's a nice looking kid. I hope he succeeds.
Jul-31-06  euripides: 24 Rxa5 looks interesting: I guess something like 24...Qxc4 25 Bxc4 Bxc4 26 Na1 Rd1 27 Rxd1 Rxd1+ 28 Kf2 when Black has three pawns for a rather sad knight on a1.
Jul-31-06
Premium Chessgames Member
  acirce: <Hesam7> Thanks for pointing out 30.Rxf6 Bc4!? But I wonder if White doesn't have bigger winning chances after 31.Qg4+ Kb7 32.Qxc4 R8d4 33.Qf7 Rd7 34.g3 Rxf7 35.Rxf7 - after which he will win the g6-pawn - than after 30.Bg5 fxg5 31.Rxf7 Rd1+ 32.Rf1 Rxf1+ 33.Qxf1 Kb7 34.g3 Rd4 (maybe better than 34..Rd5), for example 35.Qb1 g4 and my bet is that this is impossible to win.

I think I would prefer <tamar>'s line if 30.Rxf6, it may be won but it looks like hard work.

Jul-31-06  veigaman: Carlsen is a player with angel!. He always seems to be in the right plca in the right moment!
Jul-31-06
Premium Chessgames Member
  KingG: <veigaman> <Carlsen is a player with angel!. He always seems to be in the right plca in the right moment!> So you keep telling us.
Jul-31-06  Hesam7: <acirce> Nice work your idea refutes my 30... Bc4. After:

27. b4 Bb6 (27... Bxb4 28. Qa4) 28. Qe2 Bf7 29. c5 Bc7 30. Rxf6 Bc4?


click for larger view

The following line appears to be forced:

31. Qg4+ Kb7 32. Qxc4 R8d4 33. Qf7 Rd7 34. g3 Rxf7 35. Rxf7 Kc8 (36. Bf4 was the threat) 36. Rf6 Kd7 (36... Kb7 37. Rxg6 Rd4 38. Bf8 Rxb4 39. h4 ) 37. Rxg6 Rd4 38. Rg7+ Kc8 39. Rg8+ Kb7 40. Bf8 Rxb4 41. h4

So Carlsen's best chance was to play the line <tamar> mentioned, which I like more than the lines arising after 30. Bg5 because White keeps its bishop.

Jul-31-06  achieve: Bg4 was not hoped for... It was calculated I believe. have a good night!... 21. ... Be6!
Jul-31-06
Premium Chessgames Member
  tamar: To win, Morozevich would have had to see a series of only moves. Move order would mean the difference between an advantage and a difficult game.

For example, even if he saw 27 b4 Bb6 he had to see the next move was 28 Qe2 and not play the obvious 28 c5 Bc7 29 Qe2, although it looks like it leads to identical positions if Black plays 28...Bf7


click for larger view

Black instead plays 28 Bb3! and instigates the same type of tactics as in the game.

Analyse this with Rybka or Fritz someone. Black gets amazing play.

Aug-01-06
Premium Chessgames Member
  notyetagm: Unbelievable Black piece activty and coordination wins this game.

Position after 28 ... ♗e3:


click for larger view

Very reminiscent of the famous 1940 Keres Black Queen's Indian victory over Euwe in which Keres gave up ♕ for ♖♗ and overwhelming piece activity and coordination, just like this game.

Aug-01-06
Premium Chessgames Member
  notyetagm: Position after 26 ... ♖ae8 from the aforementioned game Euwe vs Keres, 1940:


click for larger view

The two rooks doubled and unopposed on an open file working in conjunction with the two bishops on an open board are just overwhelmingly powerful, both in this famous Keres game and the win by Magnus.

Aug-01-06  Ulhumbrus: The instructive point about this game is that the Black QB did not need to attack the point g2 on the King side. Attacking the point d1 on the back rank instead by 27...Bg4!! was more than enough, and partly for this reason : the move supported an invasion of the back rank by ...Rd1. Black's bishop pair had the effect of preventing the creation of a defence to the threat of a Rook invasion of the back rank by advancing one or more of the King side pawns, as the black bishops were able to occupy the disgonals opened thereby. So we can say that for this reason the bishop pair made an attack by the bishop upon a square on the back rank as effective as an attack by the bishop upon a pawn on the King side.
Aug-01-06  Caturanga: carlsen was only a got a lucky.
in a game every 40 moves above is just a lucky.
Aug-01-06  Aiuta: <Caturanga: carlsen was only a got a lucky. in a game every 40 moves above is just a lucky.>

Yeah,right.
Get a life.

Aug-01-06
Premium Chessgames Member
  tamar: <acirce, Hesam7> GM Baburin gives 27 b4 Bb6 28 Qe2 Bf7 29 Qe4 Kb7 30 b5 axb5 31 cxb5 as winning for White.

However, doing a deep analysis with Shredder 8, it found that White could not safely take the g pawn in this variation, so Black is still alive.

Black continues

31...Be8 32 Qe7+ Ka8 33 bxc6 Bxc6 34 Qxf6 Bb7 35 Qxg6? Red6 36 Qh7 Rf6!= Getting the f2 square for the rook.


click for larger view

So it would appear that Black holds onto the g pawn and after 35 Qa1 White faces a torturous path to realize his extra Kside pawn.

Aug-02-06
Premium Chessgames Member
  notyetagm: <Ulhumbrus: The instructive point about this game is that the Black QB did not need to attack the point g2 on the King side. Attacking the point d1 on the back rank instead by 27...Bg4!! was more than enough, and partly for this reason : the move supported an invasion of the back rank by ...Rd1. Black's bishop pair had the effect of preventing the creation of a defence to the threat of a Rook invasion of the back rank by advancing one or more of the King side pawns, as the black bishops were able to occupy the disgonals opened thereby. So we can say that for this reason the bishop pair made an attack by the bishop upon a square on the back rank as effective as an attack by the bishop upon a pawn on the King side.>

Very good analysis.

Aug-02-06
Premium Chessgames Member
  Peligroso Patzer: <pferd: Capablanca vs G A Thomas, 1919 I challenge you to find Black's losing move.> Must have been 3. ... d6; nobody plays that any more. ;-)
Aug-07-06  Bobak Zahmat: <awfulhangover: Karjakin better, but they will be about equal I guess. I predict that Negi will be the strongest. He deserves much more credit.>

Negi has to prove himself first. Karjakin and Carlsen are much further. I don't think Negi will be as strong as them. Maybe when Negi gets sixteen, Carlsen and Karjakin are already playing Candidate Matches to decide who will become the World Champion.

Aug-07-06  jamesmaskell: I dont think you can class Negi with Karjakin and Radjabov. I think his games show a lack of polish. Of course we do have to bear in mind Negi is a 2300 whilst Karjakin and Radjabov are hundreds of points higher, so its understandable really...
Aug-07-06  Bobak Zahmat: <jamesmaskell> I compared Negi with Karjakin and Carlsen, not Radjabov. Radjabov won't be the future World Champion, Sergey and Magnus will be!!!
Aug-07-06  jamesmaskell: Sorry my mistake...old age is kicking in. Abour Radjabov, I guess we will find out in April if things go down that route...
Aug-08-06  Bobak Zahmat: In April? I guess you're gettinng real old guy :) (just kiddin')
Oct-26-06  popski: Great game by Magnus Carlsen!
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