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Alexander Morozevich vs David Navara
Reggio Emilia (2011), Reggio Emilia ITA, rd 1, Jan-01
Semi-Slav Defense: Meran Variation (D47)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
Jan-01-11
Premium Chessgames Member
  Peligroso Patzer: Compare Svidler vs Karjakin, 2008, which this game followed through 20. e6. Navara tried <20. ... fxe6> in place of Karjakin's <20. ... Nde5>.
Jan-01-11
Premium Chessgames Member
  Penguincw: This is the first game to be in chessgames.com's database for 2011.
Jan-01-11
Premium Chessgames Member
  Phony Benoni: Well, it's about time.
Jan-01-11
Premium Chessgames Member
  whiteshark: New Year's quickening.
Jan-01-11  zluria: Going over this game, I was struck by the power of the pawn sac at b4. It seems that once Black took that pawn, he never got a moment's peace. I was very impressed by the move 12.b4!, locking in the Bb7 and foreseeing that the weak pawns at a3 and b4 could not be safely assaulted. Another example of sublime and original opening play by the creative genius Morozevich.

Then paranoia set in. I clicked on "similar games", and found the game Kasimdzhanov vs Aronian, 2009, which is identical up until move 24! It would appear that the true originator of this line is Kasimdzhanov.

Jan-01-11  messachess: Very nice game by Moro. (Yikes, he lost over 80 rating points in about a year!)
Jan-01-11  rilkefan: Is 27...Ng4 forced?

Clicking through the late middlegame I thought black must be defending poorly but it's a lot harder to stay afloat in the position than a cursory look indicates.

Jan-01-11
Premium Chessgames Member
  Eyal: <I was very impressed by the move 12.b4!, locking in the Bb7 and foreseeing that the weak pawns at a3 and b4 could not be safely assaulted. Another example of sublime and original opening play by the creative genius Morozevich.

Then paranoia set in. I clicked on "similar games", and found the game Kasimdzhanov vs Aronian, 2009, which is identical up until move 24! It would appear that the true originator of this line is Kasimdzhanov.>

Actually, 12.b4 is already known from the late 90s (Opening Explorer), and the pawn sac on b4 + the e6 idea were played by Svidler a year before Kasimdzhanov vs Aronian, 2009, in the game mentioned by <Peligroso Patzer>. It's also worth noting that Moro follows Svidler's, rather than Kasim's, move order - first 19.Bg5 and then 20.e6. It makes an important difference, because with the pawn already on e6 Black can answer 20.Bg5 with the safer 20...Qd6 (rather than Qc5), as in Kasimdzhanov vs Leko, 2009 from a later round of the same tournament.

Jan-01-11
Premium Chessgames Member
  Eyal: <Is 27...Ng4 forced?>

Yes, pretty much. 27...Nd7 loses to 28.e5, 27...Nc4 to 28.Bxc4 bxc4 29.Qxa3 Rxa3 30.Rb8 Rf8 31.Bc5 (or 30...Rc7 31.Bb6), and after 27...Qxb3 28.Rxb3 two black pieces are hanging.

Comp evaluations indicate that Black is already in trouble after 25...Bc3 - instead, Ba3 or Ba5 would have given him better piece coordination.

Jan-01-11  ozmikey: <Eyal: Yes, pretty much. 27...Nd7 loses to 28.e5> Can Black defend by 28...Nf8?
Jan-01-11  rilkefan: Hmm, I seem to have missent my follow-up question about 28...Nf8 and more importantly my thanks for <Eyal>'s response.
Jan-01-11
Premium Chessgames Member
  Eyal: 27...Nd7 28.e5 <Nf8> loses to 29.Ne4! - this actually shows very well how the bishop is badly placed on c3. Black must lose material - e.g., 29...Bb4 30.Ng5 Qxb3 31.Rxb3 with two black pieces under attack; or 29...b4 30.Nxc3 bxc3 31.Bc4 Qxb3 32.Rxb3 Be6 33.Rxc3; or 29...Qxb3 30.Rxb3 Ba1 31.Nd6 with the double threat of Nxf7 & Nxc8 followed by Rxa1 (31...Rc7 32.Bd6; 31...Be6 32.Rbb1); or 30...Ba5 (instead of Ba1) 31.Ra1! (threatening Rba3) 31...b4 32.Rxb4! Bxb4 33.Rxa8 and Black's position collapses.
Jan-01-11
Premium Chessgames Member
  Eyal: Btw, another nice tactical point that comes a few moves later is that 32...Rc4 (instead of Navara's Nxe4) also loses the exchange to 33.Bb3 Rxc5 34.Rxf6!
Jan-01-11  notyetagm: <messachess: Very nice game by Moro. (Yikes, he lost over 80 rating points in about a yea>

Yes, Moro was 2788(!) rated a short while ago.

Hopefully this nice win means Moro will soon be back into that great form.

Jan-02-11  bravado1: I think it's a duplicate of the game played between Morozevich and Navara who in this manner must deal with the threat of double jeopardy, which is against the Bill of Rights:)
Jan-03-11
Premium Chessgames Member
  paavoh: A beautiful game by Morozevich and illuminating analysis by Eyal (once again). Thanks for both!
Jan-03-11  anandrulez: Moro almost had short too ...so basically its +3 for him !
Jan-03-11  Matsumoto: Very happy to see Morozevich back in business ... in classical counter attacking style!
Jan-03-11  OrigamiArtist: very surprising that Navara didnt deviate from the identical game he played against Morozevich earlier in the tournament.
Jan-07-11  Halfpricemidge: Now that is top notch chess.
Jan-07-11  sevenseaman: Without doubt Morozevich is a class apart.
Jan-17-11  ReikiMaster: 25...Ra4 26.Rc1 Qf8 looks ok. Now black pieces got in each others way allowing 32.Bd1 to win material. 34.Rc4 also loses at least c6.
Jan-19-11  ReikiMaster: This is a duplicate. The same game was given between the same players on Dec 28th.
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