[Event "?"]
[Site "?"]
[Date "2023.06.14"]
[Round "?"]
[White "Closed Sicilian"]
[Black "and 2.Nc3"]
[Result "*"]
[ECO "B30"]
[Annotator "avruk"]
[PlyCount "24"]
[EventDate "2010.01.03"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 (3. Bc4 e6 4. Nf3 (4. d3 a6 {[%cal Gb7b5]}) 4... Nf6
5. d3 (5. d4 cxd4 (5... Nxe4 $5 6. Nxe4 d5 7. dxc5 dxe4 8. Qxd8+ Nxd8 9. Bb5+
Nc6 10. Ne5 {0-1 (29) Taborda,S-Bernardo,I (1616) Santa Fe 2022} (10. Nd2 f5)
10... Bxc5 11. Nxc6 a6 12. Ba4 Bd7 $15) 6. Nxd4 d6 {our variation with Bc4})
5... a6 6. O-O d5 7. Bb3 b5 $15 {[%cal Gc5c4]}) (3. f4 g6 ({Another line} 3...
e6 4. Nf3 Nge7 5. d4 (5. Bb5 d5 6. exd5 exd5 7. Qe2) 5... cxd4 6. Nxd4 Nxd4 7.
Qxd4 Nc6) 4. Nf3 Bg7 5. Bb5 (5. Bc4 e6 {[%cal Gd7d5]} 6. O-O (6. f5 {Black
usually declines with} Nge7 7. fxe6 fxe6 {[%cal Gd7d5]} (7... dxe6 $5 8. d3 O-O
9. O-O Nd4 {comfotable for Black.}) 8. d3 d5 9. Bb3 b5 $1 10. O-O (10. Nxb5
$140 Qa5+ 11. Nc3 d4 $17) 10... c4 (10... a6 11. Ng5 c4 12. Nf7 Qb6+ 13. Kh1
cxb3 14. Nxh8 bxc2 15. Qxc2 Bxh8 16. Bg5 $44) 11. dxc4 (11. exd5 exd5 12. dxc4
bxc4 (12... dxc4 13. Qxd8+ Kxd8 14. Rd1+ Bd7 15. Ne4 Ke8 16. Nd6+ Kd8 $11) 13.
Ba4 O-O 14. Bxc6 Nxc6 (14... Qb6+ $5 15. Rf2 Qxc6 16. Bg5 Nf5 17. Qxd5+ Qxd5
18. Nxd5 Bb7 $44 {1/2-1/2 (19) Krol,W (2052)-Florea,V (2134) LSS email 2012})
15. Qxd5+ Qxd5 16. Nxd5 Rd8 $44 {0-1 (51) Garcia Callejo,J (2224)-Aranda Marin,
C (2303) Madrid 2014}) 11... dxc4 12. Qxd8+ Kxd8 13. Nxb5 (13. Ng5 a6 $1 14.
Nf7+ Ke8 15. Nxh8 Ne5 $17) 13... cxb3 14. axb3 {[%csl Gd8]} Rb8 15. Rd1+ Ke8
16. c4 (16. Nd6+ Kf8) 16... a5 17. h3 h6 $17 {Wettering,G (2117)-Pommrich,R 
(2247)/ICCF 2012}) 6... Nge7 7. d3 d5 8. Bb3 (8. Bb5 $6 O-O {[%cal Gc6d4]} 9.
Bxc6 Nxc6 10. e5 f6 $1 11. exf6 Qxf6 12. Bd2 Bd7 $17 {Messina, G (2109)
-Vezzosi, P (2372)/Arvier ITA 2009}) 8... Nd4 $5 (8... O-O 9. Qe1 Na5 $5) 9.
Nxd4 (9. Qe1 O-O) 9... cxd4 10. Ne2 dxe4 11. dxe4 Qb6 {[%cal Gb6g1,Gd4d3]} 12.
Kh1 O-O {[%csl Gc2][%cal Gc8d7,Ga7a5]} (12... Bd7 $5) 13. Ng3 (13. Qe1 {
[%cal Ge1h4]} a5 $15 {[%cal Ga5a4]}) 13... Bd7 14. a4 Qc5 $15) 5... Nd4 6. O-O
(6. Nxd4 cxd4 7. Ne2 a6 8. Bd3 d6 9. O-O Nf6 10. c3 ({or} 10. Kh1 O-O 11. Nxd4
Nxe4 $1 12. Bxe4 Bxd4 13. c3 Bg7 14. Qf3 Rb8 {[%cal Gb7b5,Ge7e6] a common cal
motif which fully equalized in Roszkowski-Alvarado, Grodzisk Mazowiecki 2007})
(10. Nxd4 $2 Qb6 11. c3 e5 $19 {[%csl Gg1]}) 10... dxc3 11. bxc3 (11. dxc3 {
[%cal Gb7b6,Gc8b7]} O-O) 11... O-O 12. Rb1 b5 $5 (12... b6 13. Bc2 Bb7 14. d3
Rb8 15. c4 Ba8 16. h3 e6 17. Ba4 Nd7 $1 {[%cal Gd6d5,Gb6b5,Gf7f5,Gd7c5]}) 13.
a4 Bb7 14. Ng3 {1-0 (40) Bugalski,M (2267)-Rudolf,M (2419) Wysowa 2007} h5 $36
{[%csl Ge4][%cal Gh5h4]}) (6. Bc4 e6 7. e5 Nh6 8. Ne4 O-O 9. Nxc5 $140 $2 Qc7
10. b4 Nxf3+ 11. Qxf3 f6 $40) 6... Nxb5 7. Nxb5 d5 8. exd5 ({after} 8. e5 {
I like} d4 {[%cal Ga7a6,Gb7b5,Gc8b7] intending ...a6 and ...b5}) 8... a6 9. Nc3
Nf6 10. d4 c4 (10... Nxd5 11. dxc5 Nxc3 12. Qxd8+ Kxd8 13. bxc3 Bxc3 14. Rb1
Kc7 $15) 11. Qe2 Nxd5 $5 12. Qxc4 Be6 13. Qe2 Rc8 $1 $44 14. Ne4 (14. Nxd5 Bxd5
{[%csl Gd4][%cal Gd5c4,Gd5f3]}) 14... Nb4 $1 {[%cal Ge6c4] gives White some
troubles:} 15. Nc5 Nxc2 $1 16. Qxc2 Bxd4+ 17. Nxd4 Qxd4+ {[%csl Gc5]} 18. Qf2
Qxf2+ 19. Rxf2 Rxc5 $17) (3. Nf3 d6 4. d4 cxd4 5. Nxd4 Nf6 {our main line}) (3.
g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 (6. Be3 Rb8 7. Qd2 (7. a4 a6 8. Qd2 b5 9. axb5
axb5 10. Nge2 b4 11. Nd1 Nd4 $1 (11... h5 $5) 12. f4 b3 $1 13. Bxd4 cxd4 14. c3
dxc3 15. Ndxc3 Nf6 $15) 7... b5 8. Nge2 (8. f4 {[%cal Ge3h6]} b4 {[%csl Gc3]}
9. Nd1 e6 {[%cal Gg8e7]} 10. Nf3 Nge7 11. O-O O-O {important line here} 12. d4
{[%csl Gc5]} cxd4 13. Nxd4 Qc7 14. Nf2 Rd8 $11 {[%cal Gd8d2]}) 8... b4 9. Nd1
Nd4 10. O-O e5 11. f4 (11. c3 bxc3 12. bxc3 Nxe2+ 13. Qxe2 Ne7 {[%cal Gd8a5,
Gc8a6]} 14. Qd2 O-O 15. Bh6 Be6 16. Bxg7 Kxg7 {[%cal Gd8a5]}) (11. Nc1 {
[%cal Gc2c3]} Ne7 12. c3 bxc3 13. bxc3 Ne6 14. Bh6 O-O 15. Bxg7 Kxg7 {[%csl
Ge5] and Black has adequate game after both} 16. Ne3 {and} (16. f4 exf4 $1 17.
gxf4 {[%cal Gf4f5]} f5 18. Ne2 d5 $15 {[%csl Ge4]}) 16... f5 {[%csl Gf4][%cal
Gf5e4]} 17. exf5 Nxf5 $13 {[%cal Gc8b7]}) 11... Ne7 12. fxe5 dxe5 13. c3 bxc3
14. bxc3 Ne6 $11 {[%csl Gd3]}) (6. Nf3 Nf6 7. O-O O-O {harmless for Black.}) (
6. Nh3 $6 e6 $1 7. O-O Nge7 8. Be3 b6 $1 {[%cal Gd6d5] Preparing ... d6-d5} 9.
Qd2 {[%cal Ge3h6]} h6 $1 $15 {[%cal Gd6d5]}) (6. Nge2 e5 7. O-O Nge7 8. Be3 (8.
f4 O-O 9. Be3 Nd4 $1) 8... O-O 9. Qd2 {[%cal Ge3h6]} Nd4 $1 {[%csl Gc2] the
key idea of Black set-up} 10. f4 Be6 {a good examplary line here} 11. Rf2 (11.
f5 gxf5 12. exf5 Nexf5 $17) 11... Qd7 {[%csl Gf5]} 12. Raf1 f5 $132) 6... e6 7.
Nf3 (7. Nge2 $6 Nge7 8. O-O O-O 9. g4 f5 $1 $15) 7... Nge7 8. O-O O-O 9. Be3 (
9. Ne2 {[%cal Gg3g4,Ge2g3,Gc2c3]} f5 $1 {another trump of Black flexible
set-up , Black can anytime play f7-f5 preventing White ideas} 10. c3 b6 {
[%cal Gc8b7]} 11. Be3 {[%csl Ge6]} Qd7 {[%csl Ge6]} 12. h3 {or} Bb7 13. a3 Rae8
$15 {[%cal Ge6e5,Gd6d5] Ivanchuk-Gelfand, Munich 1994}) (9. g4 f5 10. exf5 (10.
gxf5 exf5) 10... gxf5) 9... Rb8 $5 (9... Nd4 10. e5 {[%csl Gc5] big theory}) (
9... b6 $5) 10. a4 (10. d4 d5 $1 11. exd5 (11. e5 Nf5 12. Bf2 Nfxd4 13. Nxd4
Nxd4 14. Bxd4 cxd4 15. Qxd4 b6 $15 {[%cal Gf7f6,Gc8a6,Gd8c7,Gg7f8]}) 11... exd5
12. Ne2 (12. Bf2 b6 $1 $15) (12. dxc5 d4) 12... Re8 $15 {[%cal Ge7f5]}) (10.
Qd2 b5 11. d4 (11. Rab1 Nd4 $15) 11... b4 12. Ne2 Ba6 $36) 10... Nd4 11. Qd2 (
11. e5 $140 $2 Nxf3+ 12. Qxf3 b6 $17 13. exd6 Nf5 {[%cal Gc8b7]}) 11... Nec6 {
[%csl Gb4]} 12. Rae1 Nb4 13. Rc1 Bd7 {[%cal Gd8a5]}) 3... Nd4 4. Nf3 (4. Bc4 e6
(4... g6 5. Nf3 Bg7 6. Nxd4 cxd4 7. Qf3 Nh6 8. Ne2 O-O 9. d3 Ng4 {[%cal Gd7d5,
Gg4e5]}) 5. Nf3 (5. Nge2 Nf6 6. O-O (6. d3 d5 7. Bb3 (7. exd5 exd5 8. Bb3 (8.
Nxd5 $2 Nxd5 9. Nxd4 cxd4 10. Qh5 {1-0 Polok,K (1914)-Sobaniec,D (1778)/
Szczawno Zdroj 2008/EXT 2009 (55)} Bb4+ 11. Kf1 Be6 12. Bb5+ Kf8 $19) 8... Nxb3
9. axb3 d4 10. Ne4 Nxe4 11. dxe4 Be7 $15) 7... Nxb3 8. axb3 dxe4 (8... Be7) 9.
dxe4 Qxd1+ 10. Kxd1 Bd7 11. f3 Bc6 12. Be3 Be7 {no problems for Black}) (6. e5
d5 (6... Ng4 $5 7. Nxd4 Nxe5 {[%csl Gc4,Gd4]})) 6... a6 {[%cal Gb7b5]} (6... d5
$2 7. exd5 exd5 8. Nxd5 Nxd5 9. Nxd4 cxd4 10. Qh5 {[%csl Gd5,Gf7]} Be6 11. Re1
$16) 7. a4 (7. e5 d5 (7... Ng4 $5 8. Nxd4 Nxe5 9. Nxe6 (9. Qe2 Nxc4 10. Qxc4 d5
$15) 9... dxe6 $11) 8. exf6 dxc4 9. fxg7 Bxg7 $15) (7. d3 b5 8. Bb3 Nxb3 9.
axb3 Bb7 10. f4 (10. e5 Ng4 $1 11. f4 h5 {[%csl Gb7]}) 10... Be7 $15) 7... d6 (
7... d5 $5 8. exd5 exd5 9. Ba2 (9. Nxd5 $2 Nxd5 10. Nxd4 cxd4 11. Qh5 Be6 12.
Re1 Be7 13. Rxe6 Nf4 $17) 9... Bd6 $13) 8. d3 Nc6 9. Bg5 Be7 10. f4 h6 11. Bxf6
(11. Bh4 Nxe4 {[%cal Ge4c3]}) 11... Bxf6 12. Kh1 O-O 13. Ng3 g6 14. f5 Kh7 $17
{Trent,L (2487)-Roiz,M (2647) Gibraltar 2009}) 5... Nf6 6. O-O (6. d3 d5 7. Bb3
(7. exd5 $6 exd5 $15) 7... Be7 8. O-O O-O $13) (6. e5 {is met by} d5 $1 ({or} 
6... Ng4 7. Nxd4 Nxe5 8. Nxe6 dxe6 $15) 7. exf6 dxc4 8. fxg7 Bxg7 9. d3 cxd3
10. Qxd3 Bd7 $15 {[%cal Gd7c6]}) 6... a6 7. d3 (7. e5 d5 8. exf6 ({After} 8.
exd6 Bxd6 $15 {it is Black who has the advantage.}) 8... dxc4 9. fxg7 Bxg7 10.
d3 cxd3 11. Qxd3 (11. cxd3 Bd7 $15) 11... Bd7 $1 12. Nxd4 Bxd4 $1 13. Be3 Bc6 {
no problems for Black}) 7... b5 8. Bb3 Nxf3+ $1 (8... Nxb3 9. axb3 Bb7 10. e5 {
[%cal Gc3e4]}) 9. Qxf3 Bb7 10. Qg3 (10. Qe2 Qc7 11. f4 c4 12. dxc4 b4 {[%csl
Ge4]}) 10... h5 $1 11. Qh4 {0-1 (25) Carrasco Martinez,J (2370)-Anton Guijarro,
D (2659) Linares 2021} c4 12. dxc4 b4 {[%csl Gb3]}) 4... e6 (4... Nxb5 5. Nxb5
d6 6. d4 $14) 5. O-O (5. Nxd4 $2 cxd4 6. Ne2 Qg5 $17 {[%csl Gb5,Gg2]}) 5... a6
6. Bd3 (6. Be2 Ne7 7. Nxd4 (7. Re1 Nec6 $15) 7... cxd4 8. Nb1 g6 {[%cal Gf8g7,
Ge8g8]}) 6... Nc6 {[%csl Gd3]} 7. b3 (7. Re1 {[%cal Gd3f1]} g5 $1 {[%cal Gg5g4]
} 8. Kh1 (8. h3 $6 h5 $1 $36 {[%cal Gg5g4]}) {Another option was} 8... g4 (8...
Bg7 9. Bf1 h6 10. d3 Nge7 11. Ne2 (11. Be3 d6) 11... d5 $15 {0-1 (53) Tseitlin,
M (2472)-Avrukh,B (2595)/Tel Aviv 2002}) 9. Ng1 h5 $36 {games}) (7. Nd5 g6 (
7... Bd6 $5 8. Ne3 Nf6 9. c3 Bc7 10. Bc2 d5 11. exd5 exd5 12. d4 cxd4 13. Nxd4
O-O $13 {[%csl Gc7,Gc8][%cal Gd8d6]}) 8. Re1 Bg7 9. c3 d6 10. Ne3 Nge7 11. Bc2
{[%cal Gd2d4]} e5) 7... d6 8. Bb2 Nf6 9. Re1 Nd7 (9... g6 $5 10. e5 dxe5 11.
Nxe5 Nxe5 12. Rxe5 Bg7 13. Rxc5 Nd7 14. Rc4 Ne5 $44) 10. Bf1 {[%cal Gd2d4]} (
10. Ne2 Nde5 $1 11. Nc1 Nxd3 12. Nxd3 e5 13. c3 g5 14. Kh1 {1-0 (58) Quesada
Perez,Y (2572)-Grigoryan,A (2568) Saint Louis 2019} h5 15. Nc1 h4 $17 {[%cal
Gh4h3]}) 10... Nde5 11. d3 {1/2-1/2 (39) Hou,Y (2666)-Gelfand,B (2728) Geneva
2017} Be7 12. Nxe5 dxe5 $15 {[%csl Gb2]} *