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ANNOTATED GAME

Sicilian; Accelerated Dragon
sonny575 vs. Iohannes7
Annotated by: iohannes7 (1390)
Chess opening: Sicilian (B27), Hungarian variation
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1. e4 c5 2. Nf3 g6
Signalling Black's intention to play the Accelerated Dragon

 
3. Bc4 Bg7 4. c3 Nc6 5. d4 cxd4 6. cxd4 a6 7. O-O b5 8. Bb3 Bb7 9. e5 e6
Not only supports the d5 square but also closes down the diagonal for White's light squared Bishop

 
10. Be3 Nge7
Eyeing both f5 and d5

 
11. Nbd2 Nf5
I took the decision to win the Bishop pair

 
12. Re1 Nxe3 13. Rxe3 Qb6
Putting pressure on White's centre. The d-pawn cannot advance with hanging the e-pawn

 
14. Nf1 O-O 15. Ng3 Ne7 16. Rc1 Rac8 17. Rec3 Nd5 18. Bxd5 Rxc3
Clearly not 18. Bxd5?? losing to Rxc8

 
19. Rxc3 Bxd5 20. a3
Not really necessary

 
20... Qb7
Allowing the Rook to come to c8 and perhaps some potential for play along the a8-h1 diagonal

 
21. Ne2 Rc8 22. Nf4 Rxc3 23. bxc3 Bxf3 24. Qxf3 Qxf3 25. gxf3
Exchanging into an endgame with the better minor piece; with play on both sides of the board the Bishop should be able to outplay the Knight

 
25... Bf8
Pushing the a-pawn and thereby allowing Black to capture it is an unstoppable passed pawn that will eventually Queen

 
26. Nh5
?? but I missed it!

 
26... Bxa3 27. Nf6+ Kg7 28. Nxd7 Bb2 29. Nc5 Bxc3 30. Nxa6
The position is now easily won for Black

 
30... Bxd4 31. f4 Bc3 32. Kg2 b4 33. Nc5 Kf8 34. Kf3 Ke8 35. Ke4 Kd8 36. Kd3 Kc7
A better plan for White may have been to create counter-play on the kingside

 
37. Kc4 Bd2 38. Nd3 Kc6 39. Nxb4+
The last mistake after which White could have resigned

 
39... Bxb4 40. Kxb4 Kd5 41. f3 Kd4 42. h4 Ke3 43. Kc5 Kxf3 44. Kd6 Kxf4 45. Ke7 Kxe5 46. Kxf7 Kf5 47. Kg7 e5 48. Kxh7 e4
White resigns