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Movsesian, Sergei (2666) - Ganguly, Surya Shekhar (2676) [B48]
Czech Open A, Pardubice (8) 2016

Notes by Boris Schipkov

1. e4 c5
The Sicilian Defence.
2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Bd3 Nf6 8. O-O b5 9. Nxc6 Qxc6 10. a3








   
10...Bc5
A rare move. Usually Black plays 10...Bb7.
11. Qf3!
The strongest answer. After 11. e5 Bb7 12. Qf3 Qxf3 13. gxf3 Bxe3 14. fxe3 Nd5=, the endgame is equal, Spassky, B - Tal, M, Candidates, Tbilisi 1965.
11...Bxe3?
A mistake. 11...Bd6 is better, 12. Bd4 e5 13. Be3 Bb7, with a small edge to White.
12. Qxe3?!
Here 12. fxe3! is stronger, 12...Bb7 13. Qg3 Nh5 14. Qe5 Nf6 15. Qg5 Kf8 16. e5, and White has a big advantage.
12...d6
Or 12...Bb7 13. Qh3?! (13. Qd4! is better, with a small edge) 13...Qc5 (13...d6=) 14. Rae1, Tseitlin, M - Shmit, A, Soviet Union 1970, and now Black must play 14...d6=, with equality.
13. a4
Also possible is 13. Nd5 at once, 13...Nxd5 14. exd5 Qc5.
13...b4








   
14. Nd5!
Beautiful centralization!
14...Rb8?
The decisive error. Black could try 14...Nxd5 15. exd5 Qc5 16. dxe6 Bxe6.
15. Qg5!
White grabs a pawn.
15...Nxd5 16. Qxg7 Rf8 17. exd5 Qxd5 18. Rfe1!
A good plan: the first player activates rooks.
18...h5








   
19. Rad1
White wins, because Black has many weaknesses.
19...Qc5 20. b3! Ke7 21. Bc4 Qf5
If 21...Bd7 then 22. Rd5 Rg8 23. Qh7 Qc6, and White grabs the second pawn with 24. Qxh5.
22. Rxd6
The last blow.
Black resigned. 1-0










Move
   

Movsesian, Sergei (2666) - Ganguly, Surya Shekhar (2676) [B48]
Czech Open A/Pardubice (8) 2016

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Bd3 Nf6 8. O-O b5 9. Nxc6 Qxc6 10. a3 Bc5 11. Qf3 Bxe3 12. Qxe3 d6 13. a4 b4 14. Nd5 Rb8 15. Qg5 Nxd5 16. Qxg7 Rf8 17. exd5 Qxd5 18. Rfe1 h5 19. Rad1 Qc5 20. b3 Ke7 21. Bc4 Qf5 22. Rxd6 1-0


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© 2016 Boris Schipkov