[Event "Theory"]
[Site "?"]
[Date "2009.12.01"]
[Round "?"]
[White "Sicilian Dragon"]
[Black "(Both Sides)"]
[Result "*"]
[ECO "B70"]
[Annotator "Fausto Alava-Moreno"]
[PlyCount "30"]
[EventDate "2009.12.01"]

1. e4 c5 2. Nf3 d6 (2... Nc6 3. d4 cxd4 4. Nxd4 g6 {- Accelerated Dragon.} (
4... g6 5. c4 {- Maroczy Bind.} (5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 {- Others.})) 5.
c4) 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 (6. g3) (6. f4 {- Levenfish.}) (6.
Bc4) (6. Be2 Nc6 7. Be3 Bg7 {
- transposes to the Classical Dragon. See 7.Be2 for details.}) 6... Bg7 (6...
a6 $5 {- Accelerated Dragadorf.} 7. f3 b5 8. Qd2 Bb7 9. a4 e5 10. Nb3 b4 11.
Nd5 Nxd5 12. exd5 Nd7 13. O-O-O Rb8 14. f4 {
Accelerated Dragadorf-with 14.Bg7/Singapore 2009}) 7. f3 {- Yugoslav Attack.} (
7. Be2 Nc6 8. O-O O-O 9. Nb3 {- Classical Dragon.}) 7... O-O (7... a6 $5 {
- Dragondorf.} 8. Qd2 Nbd7) (7... Nc6 8. Qd2 Bd7 9. Bc4 (9. O-O-O Rc8) 9... O-O
10. O-O-O Na5 11. Bb3 {- usually transposes to the Chinese Dragon.} (11. Be2))
8. Qd2 Nc6 9. Bc4 (9. O-O-O d5 10. exd5 (10. Kb1 $5 Nxd4 11. e5 $1 Nf5 $1 12.
exf6 Bxf6 (12... exf6 13. Bc5 d4 $1 {- Bragesco-Radjabov Variation.}) 13. Nxd5
Qxd5 $1 14. Qxd5 Nxe3 15. Qd3 Nxd1 16. Qxd1 Be6 $1 $44) (10. Qe1 e5 11. Nxc6
bxc6 12. exd5 Nxd5 (12... cxd5 13. Bg5 Be6 14. Bc4 Qc7 15. Bxf6 dxc4 16. Bxg7
Kxg7) 13. Bc4 Be6 14. Ne4 Qc7 15. Bc5 Rfd8) 10... Nxd5 11. Nxc6 bxc6 12. Bd4 e5
(12... Nxc3 13. Qxc3 Bh6+ 14. Be3 Bxe3+ 15. Qxe3 Qb6 {- Bjerring variation.}) (
12... Bxd4 13. Qxd4 Qb6) 13. Bc5 Be6 14. Ne4 Re8 15. h4 Nf4 16. g3 Qxd2+) (9.
g4 $5) 9... Bd7 10. O-O-O (10. Bb3 Qa5 (10... Nxd4 11. Bxd4 b5 {
- Topalov System.}) (10... Rc8 11. O-O-O Ne5 12. Kb1 Nc4 (12... Re8 $5 {
- Refined Profilactics by Dearing.}) (12... a6 {- Swiss Variation.}) 13. Bxc4
Rxc4 14. g4 b5 15. b3 b4 {- Burnett Variation.})) 10... Rc8 (10... Qa5 11. Bb3
Ne5 12. h4) (10... Qb8 {- Gufeld Variation.}) (10... Rb8 {- Chinese Dragon.})
11. Bb3 Ne5 (11... Nxd4 12. Bxd4 b5 {- Parma Variation.}) (11... e5 12. Kb1 b5)
12. h4 (12. Kb1 Nc4 13. Bxc4 Rxc4 14. g4 b5 15. b3 b4) 12... Nc4 13. Bxc4 Rxc4
14. h5 (14. g4) 14... Nxh5 15. g4 Nf6 {- Old Mainline.} *

