ANNOTATED GAME

MARSHALL VS. LARSEN - olimpiada 1937
MARSHALL (1200) vs. LARSEN (1200)
Annotated by: miperralaica (1200)
Chess opening: Queen's Indian (A47), Marienbad system
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11... Re8
With this defense Black guards the bishop and provides a retreat for it at f8

 
12. Nc3
Marshall prefers to develop his game, for now bypassing 12. Nxe7 , which would give him two bishops. Keeping the knight at f5 actually poses more problems for Black and is harder to deal with. En lugar de la ventaja de quedarse con los dos alfiles, Marshall prefiere seguir desarrollando. Ademas da el apoyo con el caballo al peon que esta en el punto e4.

 
12... Bf8 13. Bg5
Still developing, White menaces Bg5xf6, messing up Black's castled position.

 
13... a6
Black's last move is a serious error in judgment. On 13. ... Nbd7, Larsen was concerned about 14. Nb5, hitting d6. For example, on 14. .. Ba6? There follows 15. Nbxd6 (); and on 14. .. Nxe4, White continues 15. Bxe4 Rxe4 16. Nbxd6 (). All the same, 13. ... Nbd7 was the correct move, when 14. Nb5 is answered by 14. ... Qb8. Now his kingside gets busted up. Lo que habia que hacer aca es llevar el caballo d7 para poder suplantar el caballo de f6 y no tener que debilitar el enroque tomando de peon. esto fue un error.

 
14. Bxf6
Black's kingside now becomes very ugly, and White has some beautiful ideas on how to exploit it. El rey negro quedo muy mal . Marshall al comer obliga a doblar al negro los peones de su enroque.

 
14... gxf6 15. Bh3
By this shift, White moves the bishop into attacking position while threatening the discovery 16. Nh6 , followed by Bxc8 Accordingly, Black removes his queen from the aim of the bishop. amenaza jaque descubierto tomando la dama

 
15... Qd8 16. Qg4+ Kh8 17. Qh5 Qc7 18. Nh6 Bxh6 19. Qxh6 Nd7 20. f4 Reg8 21. Bxd7 Qxd7 22. Qxf6+ Rg7 23. f5 Re8 24. Rae1 Re5 25. Ne2 Kg8
Black unpins the rook. Giving up the Exchange, 25. .. Rxe4 25. Nf4 Rxf4 doesn't quite work after 26. Rxf4, when White threatens Rf4-g4. And if 27. ... Kg8, then 28. Re7 Qc8 29. Rg4 anyway (). To continue, if 29. ... Rxg4, then 30. Qxf7 , followed by mate; and if (b) 29. ... Qf8, then the trick is done by 30. Qxg7 or 30. Rxg7 . **

 
26. Nf4 h6 27. Nh5 Rh7 28. Qxe5
This nice vacating tactic is a splendid coda. If 28. ... dxe5, then 29. Nf6 and 30. Nxd7. 27. Nh5. saca la dama del lugar en que tiene que ir su caballo

 
28... dxe5 29. Nf6+

 

Pages: 12