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Le Quang Liem vs Ruslan Ponomariov
Dortmund Sparkassen (2010), Dortmund GER, rd 4, Jul-18
Gruenfeld Defense: Exchange. Classical Variation (D86)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Given 7 times; par: 74 [what's this?]

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Kibitzer's Corner
Jul-18-10
Premium Chessgames Member
  chancho: Impressive play by the Vietnamese Grandmaster.
Jul-18-10
Premium Chessgames Member
  Peligroso Patzer: <chancho> Impressive play indeed, especially the concept of 19. Nxg6 and 20. Bd6. The second move in this sequence seems especially difficult to visualize, and without that follow-up, 19. Nxg6 would be senseless.

Le's brilliant tactical finesse in this game is an interesting example of a continuation that, once one considers it, even a patzer can readily calculate that it's strong. The trick is to notice the possibiltiy as worth considering in the first place. I suspect that Ponomariov never considered 19. Nxg6 before it was played.

Jul-18-10  Bridgeburner: Yes indeed. He's definitely someone to watch.
Jul-18-10
Premium Chessgames Member
  Peligroso Patzer: Another interesting feature of this game is that the position after 31. Bxc4:


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is seemingly a fairly strightforward win for White, the Bishops of Opposite Color (BOOC) notwithstanding.

The key points are that White can obtain connected passed pawns of the f- and g-files virtually by force, and the a-pawn promotes on a light square that the White Bishop can control. The presence of connected passers is probably the strongest factor that can cause a BOOC defense to fail, and the second point means that Black cannot hope to draw by sacrificing his Bishop for the last of White's K-side pawns because White can win with the a-pawn and light-square Bishop..

Jul-18-10  messachess: <Impressive play by the Vietnamese Grandmaster> Very dynamic play.
Jul-18-10  Jafar219: Very nice tactic by Le.Bravo!
Jul-18-10  notyetagm: <Peligroso Patzer: <chancho> Impressive play indeed, especially the concept of 19. Nxg6 and 20. Bd6. The second move in this sequence seems especially difficult to visualize, and without that follow-up, 19. Nxg6 would be senseless.>

19 ?


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19 ♘f4xg6! ♘e5x♘g6


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The trick is to see that the sequence 19 ♘f4xg6! ♘e5x♘g6 is <LINE-OPENING> for the brilliant <REMOVAL OF THE GUARD> shot 20 ♗g3-d6!!.

20 ♗g3-d6!!


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Outstanding tactical play by Le Quang Liem. My favorite combination of the year so far, reminiscent of a Capablanca <PETITE COMBINAISON>, a little tacitcal trick spanning a few moves that the opponent overlooked.

Jul-18-10  notyetagm: <Bridgeburner: Yes indeed. He's definitely someone to watch.>

Game Collection: Le Quang Liem's Best Games

Le Quang Liem vs Ponomariov, 2010 19 Nf4xg6!, 20 Bg3-d6!! highlight crushing win over a 2700+

Jul-18-10  notyetagm: Le Quang Liem vs Ponomariov, 2010

A *magnificent* <PETITE COMBINAISON> by Le Quang Liem versus Ponomariov in Round 4 of Dortmund.

GC: <UNE PETITE COMBINAISON>

18 ... h7-h5? <left behind>


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19 Nf4xg6! <pin: c4-g8>


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19 ... Ne5xNg6 <line-opening: g3-d6>


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20 Bg3-d6!! <remove guard: e7-queen>


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20 ... ♕e7-e8 21 ♕a4x♕e8 ♖c8x♕e8 22 ♗d5x♗b7


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22 ♗d5x♗b7, regaining the piece and leaving White ahead by a pawn and the <BISHOP PAIR> on an open board. White went on to win.

<IMPORTANT!> Note how the combination is made possible by the 1-1 <LOOSE> Black b7-bishop.

<Chernev/Reinfeld: <<<LOOSE PIECES ARE THE BASIS OF COMBINATIONS>>>>.

Jul-18-10  notyetagm: Le Quang Liem vs Ponomariov, 2010

http://www.chess.co.uk/twic/chessne...

<Almost certainly Ponomariov didn't think carefully enough when he played 18...h5? although I'm not 100% certain it should be the losing move, it was certainly the one that got him into trouble after Le played the very clever 19...Nxg6.

Ruslan Ponomariov

Le Quang Liem

Position after 18...h5?

The game continued:

19. Nxg6! Nxg6 20. Bd6!! Qe8

Forced as 20... Qxd6 21. Bxf7+ Kxf7 22. Rxd6 Bxe4 23. Re1 is unplayable.


click for larger view

21. Qxe8+ Rxe8 22. Bxb7>

Jul-18-10
Premium Chessgames Member
  Eggman: Speaking of tactics, what, I wonder, did White have in mind on 11...cxd4, perhaps 12.cxd4 and if 12...Nxd4 then 13.Bxf7+?
Jul-18-10  zanshin: <Eggman: Speaking of tactics, what, I wonder, did White have in mind on 11...cxd4, perhaps 12.cxd4 and if 12...Nxd4 then 13.Bxf7+?>

I ran this by Rybka 4 and the line appears sound.

Jul-18-10  Shams: Sound, maybe, but does it give white an advantage? Black gets the isolated e-pawn but has a QPM and will play bishop against knight.
Jul-18-10
Premium Chessgames Member
  HeMateMe: nice endgame. Looks drawish after move 29. But, white's pawns were connected and too far advanced to be blocked.
Jul-28-10  Eduardo Leon: <Peligroso Patzer> <Le's brilliant tactical finesse in this game is an interesting example of a continuation that, once one considers it, even a patzer can readily calculate that it's strong. The trick is to notice the possibility as worth considering in the first place.>

Yeah. For example, finding 51.♔h6! instead of 51.♔g6 is one of those finesses that are a must for grandmasters, but could be easily overlooked by us patzers, despite the fact they are not that deep after all.

Sep-06-10  notyetagm: Le Quang Liem vs Ponomariov, 2010

20 ?


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20 ♗g3-d6!


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Game Collection: THE UNDERRATED REMOVAL OF THE GUARD -- Heisman 20 Bg3-d6! attacks Black e7-queen defender of loose b7-bishop

Dec-12-10  notyetagm: Game Collection: DECOY into DISCOVERY: APPLIED BALEFUL INFLUENCE

Le Quang Liem vs Ponomariov, 2010 20 Bg3-d6! seeks to drag e7-queen onto d-file for Bd5xf7+,Rd1xQ

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