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Fred Berend vs David Navara
Ordix Open (2007) (rapid), Mainz GER, rd 3, Aug-18
Sicilian Defense: Paulsen. Bastrikov Variation English Attack (B48)  ·  0-1
ANALYSIS [x]

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Given 31 times; par: 39 [what's this?]

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Kibitzer's Corner
Aug-28-07  ChessCompFan: can someone please tell me how to beat Little ChessPartner?
Aug-29-07
Premium Chessgames Member
  Gilmoy: 15.Qd4 16.Bd3 is a head-scratcher -- White's Q gets nigh-trapped in front of its minor pieces, and Black kicks her around for about 5 free tempi, plus the fork threat 23.b3? Nc3+. White dies on the Q-side without getting in a single K-side pawn push.
Sep-04-07  notyetagm: Wow, what a great finish by Navara, 26 ... ♖a4-a1!.

The tactical point is that the Black c3-queen =already= controls the a1-square because the a1-square is on one of the diagonals of the Black queen and the Black piece which masks the Black queen on this line, the Black b2-knight, can get off of this line with a <GAIN OF TIME> by <CHECKING> the White c1-king (... ♘b2-d3+).

That is, because the Black b2-knight which masks the Black c3-queen from directly controlling the a1-square can move off of this line with a <GAIN OF TIME> (... ♘b2-d3+), it is as if the line from c3 to a1 is =already= open so that the Black c3-queen =already= controls this square. Hence Black does not have one attacker on the a1-square (Black a4-rook) but two(!) attackers on this square (Black a4-rook =and= c3-queen) so that the a1-square is not <LOOSE> but actually <EN PRISE>.

Navara is really tactically sharp.

Sep-04-07  notyetagm: <ChessCompFan: can someone please tell me how to beat Little ChessPartner?>

Use Rybka. :-)

Sep-04-07  notyetagm: Wow, more great tactics from Navara.

Here 25 ♕d5-a2 puts the Black b2-knight <EN PRISE>. Navara does not then retreat the threatened knight to safety but instead he defends it =tactically= with 25 ... ♖c4-a4!.

The tactical point is that the Black b2-knight is now =taboo= since taking it with 26 ♕a2x♘b2?? allows a mate in 5 based on the tactical motif <X-RAY> 26 ... ♖a4-a1+! 27 ♕b2-b1 (27 ♕b2x♖a1 ♕c3x♕a1#) 27 ... ♖a1x♕b1+ 28 ♔c1x♖b1 ♖f8-b8+ 29 ♗d3-b5 ♖b8x♗b5+ 30 ♔b1-c1 (30 ♔b1-a2 ♕c3-b2#) 30 ... ♕c3-a1#.

May-02-16  suenteus po 147: What's most impressive to me here is how Navara easily trades his queen's bishop at b7 for the longterm goal of opening the b-file for his rook to attack the king. That takes courage and real planning since I've found the Taimanov to be most successful in attacking kingside with the two bishops and queen. Well worthy of study to Taimanov players.
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