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Francisco Vallejo Pons vs David Navara
Reggio Emilia (2010/11), Reggio Emilia ITA, rd 3, Dec-30
Spanish Game: Exchange. Gligoric Variation (C69)  ·  1-0

8
7
6
5
4
3
2
a
1
b
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d
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f
g
h
White to move.
ANALYSIS [x]
1-0

rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1
FEN COPIED

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Kibitzer's Corner
Dec-30-10  adbat: 12.Qb7 the move is a novelty.It is curious that in nine previous games at that position anyone doing a play so logical and the best in this position.Two plays later, Vallejo Nb3 is wrong and play instead of Ba7, losing the advantage.
Dec-31-10  Dr. Funkenstein: I can see why white would be reluctant to put their queen in a precarious spot...

14. Nb3 seems a strange move as it further blocks the queen in and gives black the option of a quick draw...

Fortunately Navara chose to play on and we were treated to some great tactics. 26. ...Rxb2 27. Rxg7! using the undefended queen to rip into black's kingside position. I'm not sure why Navara chooses to give the exchange back with Rxf2 however. Maybe because 27. ...Rg8 28. Bh6 when the piece is still immune on g7 (27. Rxg7 Rg8 28. Bh6 Rxg7 29. Bxg7+ Kg8 30. Qc8+ Kf7 31. Qd7+) and the queen will go to the 7th rank with mating threats.

Dec-31-10  GilesFarnaby: <Dr. Funkenstein: 14. Nb3 seems a strange move as it further blocks the queen in and gives black the option of a quick draw...>

The draw being the following (for those of us who would like to pursue or avoid it), I guess:

14...Bc4 15.Nbd2 Bb5 16.Rfd1 Rb8...


click for larger view

...17.Qa7 Ra8 18.Qb7

Instead, 15...Bxf1 is not bad, but white will hold a lasting positional advantage while black will have only two really active pieces (N and Q)

1: Vallejo Pons,F - David Navara, Reggio Emilia 2010


click for larger view

Analysis by Fire 1.31 w32:

16.Rxf1 Qd7 17.Qb3 Rab8 18.Qc2 Ng6 19.Rb1 Be7 20.Qa4 a5 21.b3 Qd6 22.Re1 Ra8 23.Rc1 Qe6 24.Qc4 Qd6 25.Qe2 Qe6 26.Nc4 a4 27.Rd1 axb3 28.axb3 Rfd8 (0.29) Depth: 24 00:03:10 198mN

...12.Qxb7 is in Rybka 4 opening book anyway: the line follows the game until 14.b4 (instead of Francisco´s 14.Nb3), and proposes the Ba7 maneuver a soon after.

Dec-31-10  Eyal: The idea of 14.Nb3 was probably to meet 14...Qd7 (threatening Rfb8, trapping the queen) with 15.Nc5.

<I'm not sure why Navara chooses to give the exchange back with Rxf2 however. Maybe because 27. ...Rg8 28. Bh6 when the piece is still immune on g7 [...] and the queen will go to the 7th rank with mating threats.>

This actually allows Black to draw with 28...Rxf2, to be followed by ...Rxg2+! and perpetual; but after 27...Rg8 White wins with 28.Rc7/a7! (threatening Qf6+ and mate) 28...Rf8 29.Qd7.

Dec-31-10  Ulhumbrus: As 9...0-0 allows the fork 10 Qb3+, this suggests 9...b5 or 9...Qd7
Dec-31-10  GilesFarnaby: <Ulhumbrus: As 9...0-0 allows the fork 10 Qb3+, this suggests 9...b5 or 9...Qd7>

Up to this date I think there are no GM games won by white with 9.Qb3+ (in fact there is one 0-1 game, Volokitin - Beliavsky, 2005). 9.Nc4 and even 9.h3 have rendered so far better results, so I don´t think that 9.Qb3+ is a line that the black player should specially fear.

Dec-31-10  Dr. Funkenstein: Thanks for "correcting" (i.e. coming up with the proper line) my line and showing that great draw that follows Rxg2+ Eyal

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