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Graf, Alexander - Naiditsch, Arkadij [E02]
German Championship, Hoeckendorf (8) 2004

Notes by Boris Schipkov

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Nc3 Rb8 8. Qxc4 b5 9. Qd3 Bb7 10. O-O Bd6
The alternative is 10...c5 and White has only a microscopic advantage after 11. dxc5 Bxc5 12. Bf4 Rc8 13. Rad1 O-O 14. Ne5 Bxg2 15. Kxg2 Nxe5 16. Bxe5 Be7 17. Qxd8 Rfxd8 18. Rxd8+ Rxd8 19. Rc1 Rc8 20. Bf4 Kf8 21. Kf3 Ke8 22. e4 Nd7 23. Ne2 Rxc1 24. Nxc1 f5, Andersson, U - Gonzalez, Y, Capablanca mem Elite, Havana 2003. Or 13. Ng5 Bxg2 14. Kxg2 O-O 15. Rad1 Qb6 16. Qf3 Bd4 1/2, Graf, A - Vallejo Pons, F, Lanzarote 2003.








   
11. Ng5!?
A novelty. In the game Petrov, V - Pirc, V, Lodz 1938 White played 11. Rd1 O-O 12. Ng5 Bxg2 13. Kxg2 e5 14. Nce4 h6 15. Nf3? Nxe4 16. Qxe4 Nf6 17. Qc2 e4 18. Nd2 Re8 with some edge to Black. Better is 15.dxe5. Or 11...b4!? 12. Nb1 O-O 13. Nbd2 c5 14. Nc4 Be4 15. Qb3 Bd5 16. Qd3 Be7, Szekely, P - Beliavsky, A, Hungary chT 1998.
Black obtained a small advantage in Marini, L - Eliskases, E, Mar del Plata 1950 after 11. Ne1 c5 12. Bxb7 Rxb7 13. Ne4 Nxe4 14. Qxe4 Rb8 (14...Rc7!?) 15. dxc5 Nxc5 16. Qf3 O-O 17. Be3 Rc8 18. Rd1 (18.Bxc5!? Bxc5 19.Nd3=) 18...Qe7 19. Nd3 Nxd3 20. Rxd3 Be5.
11...Bxg2 12. Kxg2 Be7
Interesting is 12...O-O 13. e4 e5 14. f4 exd4 15. Qxd4 h6 16. e5 hxg5 17. exf6 Qxf6 18. Qxf6 Nxf6 19. fxg5 Ng4 20. h3 Ne5 21. Bf4 or 12...h6 13. Nge4 b4 14. Nxd6+ cxd6 15. Ne4 Nxe4 16. Qxe4 O-O with more or less equal game.
13. Bf4! Nh5 14. Nce4 Nxf4+
Also possible is 14...Ndf6.
15. gxf4 Nb6
Or 15...Nf6.
16. Rac1








   
16...h6?!
More precise is 16...Qd5!? 17. Kg1 Qf5 18. Qf3 h6 19. Ng3 Qd5 20. Qxd5 Nxd5 21. Nf3 Bd6 (21...Nxf4) 22. e4 Nxf4 23. e5 Be7 24. Rxc7.
17. Nf3 Nd5 18. e3 Rb6?!
Better is 18...f5.
19. Rfd1
White has the better chances in the case of 19. Ne5.
19...g5 20. Nc3 f5
If 20...gxf4 then 21. e4 Nf6 22. e5 Nd5 23. Nxd5 Qxd5 24. Rxc7.
21. Ne5 gxf4
Or 21...Nxc3 22. Rxc3 Qd5+ 23. f3.








   
22. e4!
A strong blow in the center.
22...Nxc3 23. Rxc3 Qa8
White has a clear edge after 23...Bd6 24. exf5 Qg5+ 25. Kf1 Rg8 26. fxe6 b4 27. Rcc1 Rb5 28. Nf7 Qg2+ 29. Ke2.
24. f3! Rd6
Or 24...fxe4 25. fxe4 Bd6 26. Qf3.
25. exf5 Bf6 26. fxe6! Rg8+ 27. Kf1 Bxe5
White wins and after 27...Qd5 28. Qf5 Qxe6 29. Qh5+ Kf8 30. Qxh6+ Ke8 31. Qh5+ Kf8 32. Ng6+.








   
28. Qf5
Game over.
28...Rf8 29. Qh5+ Kd8 30. Qxe5 Re8 31. d5
Black resigned. 1-0










Move
   

Graf, Alexander (2629) - Naiditsch, Arkadij (2576) [E02]
GER-ch 75th/Hoeckendorf (8) 2004

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Nc3 Rb8 8. Qxc4 b5 9. Qd3 Bb7 10. O-O Bd6 11. Ng5 Bxg2 12. Kxg2 Be7 13. Bf4 Nh5 14. Nce4 Nxf4+ 15. gxf4 Nb6 16. Rac1 h6 17. Nf3 Nd5 18. e3 Rb6 19. Rfd1 g5 20. Nc3 f5 21. Ne5 gxf4 22. e4 Nxc3 23. Rxc3 Qa8 24. f3 Rd6 25. exf5 Bf6 26. fxe6 Rg8+ 27. Kf1 Bxe5 28. Qf5 Rf8 29. Qh5+ Kd8 30. Qxe5 Re8 31. d5 1-0


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