Chess: Understanding the Sicilian Defense (Accelerated Fianchetto)

1 e4 c5 2 Nf3 Nc6 3 d4 cxd4 4 Nxd4 g6 5 Nxc6 bxc6
Line



The 5 Nxc6 variation is ideal for avoiding
the main lines against the Accelerated
Fianchetto. Additionally, it allows White
to dictate the pace.

Also available:
Chess: Understanding the Sicilian Defense
(Najdorf Variation) Part I
http://chesscoach1950.blogspot.com/2006/01/chess-understanding-sicilian-defense.html
Chess: Understanding the Sicilian Najdorf Part II
http://chesscoach1950.blogspot.com/2006/07/chess-understanding-sicili_115316520058364198.html
Chess: Understanding the Sicilian Najdorf Part III
http://chesscoach1950.blogspot.com/2006/07/chess-understanding-sicilian-najdorf.html
Chess: Understanding the Sicilian Najdorf Part IV
http://chesscoach1950.blogspot.com/2006/07/chess-understanding-sicilian-najdorf_17.html
Chess: Understanding the Sicilian Najdorf Part V
http://chesscoach1950.blogspot.com/2006/07/chess-understanding-sicilian-defense_23.html
Chess: Understanding the Sicilian Dragon
http://chesscoach1950.blogspot.com/2006/01/chess-understanding-sicilian-dragon.html
Chess: Understanding the Sicilian Defense
(Löwenthal Variation)
http://chesscoach1950.blogspot.com/2006/08/chess-understanding-sicilian-defense_23.html
Chess: Understanding the Sicilian Defense
http://chesscoach1950.blogspot.com/2006/08/chess-understanding-sicilian-defense_22.html
Understanding the Sicilian Defense (Sozin Variation)
http://chesscoach1950.blogspot.com/2006/01/chess-understanding-sicilian-defense_30.html
Understanding the Sicilian Defense
(Sveshnikov Variation)
http://chesscoach1950.blogspot.com/2006/06/chess-understanding-sicilian-defense.html
Understanding the Sicilian Richter-Rauzer
http://chesscoach1950.blogspot.com/2006/06/chess-understanding-sicilian-richter.html
Understanding the Smith Morra Gambit
http://chesscoach1950.blogspot.com/2006/06/chess-understanding-smith-morra-gambit.html
Chess: Understanding the Sicilian Defense
(Keres Attack) Part I
http://chesscoach1950.blogspot.com/2006/06/chess-understanding-sicilian.html

For explanations of moves 1 through 3
please refer to:
http://chesscoach1950.blogspot.com/2006/06/chess-understanding-sicilian-defense.html

1 e4 c5



2 Nf3 Nc6



3 d4 cxd4



4 Nxd4 g6



Black intends to develop the king's bishop to g7
in order to further pressurize the centralized
knight.

5 Nxc6 bxc6



But White relieves the d4 tension. The plan is to
exploit Black's early ... g6 through:

6 Qd4 Nf6



Protecting the rook from 7 Qxh8.
6 Qd4 f6 7 Bc4 Qb6 8 Qc3 d5 9 exd5 e6 10 Be3 Qb8
11 d6 Bxd6 12 Nd2
6 Qd4 f6 7 Bc4 e5 8 Qd3 f5 9 Qb3 Nh6
6 Qd4 f6 7 Bc4 e5 8 Qd3 Ne7 9 Nc3 Bb7 10 Qf3 Bg7

7 e5 Nd5



7 e5 Nh5 8 Nc3 Qb6 9 Qe4 f5 10 Qc4 Bg7
11 f4 d5 12 Qb3 Rb8 13 Be2 O-O 14 Qxb6
14 ... axb6 15 g3
7 e5 Nh5 8 Nc3 d5 9 Bd3 Qb6 10 Ne2 Bg7
11 f4 f6 12 exf6 Bxf6 13 Qxb6 axb6
7 e5 Nh5 8 Nc3 Qc7 9 f4 Ng7 10 Bd3 Nf5
11 Qf2 Bg7
7 e5 Nd5 8 e6 Nf6 9 exf7+ Kxf7 10 Qc4+

8 e6 f6



9 exd7+ Bxd7



By ChessCoach@care2.com

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Chess: Understanding the Sicilian Najdorf Part IV

1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 a6 6 Be3 e6
7 f3 b5 Line



What's the game plan for White?

What's the game plan for Black?

Also available:
Chess: Understanding the Sicilian Defense
(Najdorf Variation) Part I
http://chesscoach1950.blogspot.com/2006/01/chess-understanding-sicilian-defense.html
Chess: Understanding the Sicilian Najdorf Part II
http://chesscoach1950.blogspot.com/2006/07/chess-understanding-sicili_115316520058364198.html
Chess: Understanding the Sicilian Najdorf Part III
http://chesscoach1950.blogspot.com/2006/07/chess-understanding-sicilian-najdorf.html
Chess: Understanding the Sicilian Najdorf Part IV
http://chesscoach1950.blogspot.com/2006/07/chess-understanding-sicilian-najdorf_17.html
Chess: Understanding the Sicilian Najdorf Part V
http://chesscoach1950.blogspot.com/2006/07/chess-understanding-sicilian-defense_23.html
Chess: Understanding the Sicilian Defense
(Accelerated Fianchetto)
http://chesscoach1950.blogspot.com/2006/07/chess-understanding-sicilian-defense.html
Chess: Understanding the Sicilian Dragon
http://chesscoach1950.blogspot.com/2006/01/chess-understanding-sicilian-dragon.html
Chess: Understanding the Sicilian Defense
(Löwenthal Variation)
http://chesscoach1950.blogspot.com/2006/08/chess-understanding-sicilian-defense_23.html
Chess: Understanding the Sicilian Defense
http://chesscoach1950.blogspot.com/2006/08/chess-understanding-sicilian-defense_22.html
Understanding the Sicilian Defense (Sozin Variation)
http://chesscoach1950.blogspot.com/2006/01/chess-understanding-sicilian-defense_30.html
Understanding the Sicilian Defense
(Sveshnikov Variation)
http://chesscoach1950.blogspot.com/2006/06/chess-understanding-sicilian-defense.html
Understanding the Sicilian Richter-Rauzer
http://chesscoach1950.blogspot.com/2006/06/chess-understanding-sicilian-richter.html
Understanding the Smith Morra Gambit
http://chesscoach1950.blogspot.com/2006/06/chess-understanding-smith-morra-gambit.html
Chess: Understanding the Sicilian Defense
(Keres Attack) Part I
http://chesscoach1950.blogspot.com/2006/06/chess-understanding-sicilian.html

For explanations of moves 1 through 5 please refer to:
Understanding the Sicilian Defense (Najdorf Variation)
Part I
http://chesscoach1950.blogspot.com/2006/01/chess-understanding-sicilian-defense.html

1 e4 c5



2 Nf3 d6



3 d4 cxd4



4 Nxd4 Nf6



5 Nc3 a6



6 Be3



6 h3 e6 7 g4 d5 8 exd5 Nxd5 9 Nde2 Bb4
10 Bd2 Nxc3 11 Bxc3 Qxd1+ 12 Rxd1 Bxc3+
13 Nxc3 Bd7 14 Bg2 Bc6.
6 h3 g6 7 Bc4 Bg7 8 O-O O-O 9 Bb3 b5
10 Re1 Bb7 11 a4.
6 Bc4 Nbd7 7 f4 b5 8 Bb3 Bb7 9 O-O Nxe4
10 Nxe4 Bxe4 11 Qe2 d5.
6 Bc4 Nbd7 7 Be3 e6 8 Bb3 Nc5 9 f4 Be7
10 e5 dxe5 11 fxe5 Nfd7 12 Qh5 g6 13 Qe2 Nxe5
14 O-O-O Qc7 15 Bh6 Nc6 16 Nxc6 Qxc6 17 Rhe1.
6 Bc4 Qc7 7 Bb3 Nc6 8 Be3 e6 9 Qe2 Be7
10 O-O-O O-O.

6 ... e6



6 ... b5? 7 Nd5 Nxd5 8 exd5 g6 9 a4 b4 10 Qd2 Bb7
11 Bc4 Nd7 12 Qxb4 Rb8 13 Nc6 Bxc6 14 Qc3 Bxd5
15 Bxd5 e5.
6 ... b5? 7 Nd5 Nxe4?? 8 Nxb5 axb5 9 Bb6 Qd7
10 Bxb5 Qxb5 11 Nc7+ Kd7 12 Nxb5.
6 ... b5? 7 Nd5 Bb7? 8 Nxf6+ gxf6 9 Bd3 Qa5+ 10 c3.
6 ... Nc6? 7 f3 e5 8 Nb3 Be6 9 Nd5 Bxd5 10 exd5 Ne7
11 c4 g6 12 Bd3 Bg7 13 O-O O-O.
6 ... Nbd7 7 Be2 e6 8 f4 b5 9 Bf3 Bb7.

7 f3



7 Be2 Qc7 8 a4 b6 9 f4 Bb7 10 Bf3 Nbd7
11 Qe2 e5 12 Nf5 g6 13 fxe5 Nxe5 14 Bg5 Qd8
15 Ne3 Bg7 16 O-O h6 17 Bh4 O-O.
7 Qf3 Nbd7 8 Be2 h5 9 Bg5 Qa5 10 Bd2 Qb6
11 Nb3 Qc7 12 a4 b6 13 Bg5 Bb7 14 Rd1 Be7
15 Qe3 Nc5.
7 f4 b5 8 Qf3 Bb7 9 Bd3 Nbd7 10 g4 b4
11 Nce2 Nc5 12 Ng3 Qc7 13 g5 Nfd7 14 O-O d5
15 e5 .
7 a4 Nc6 8 Be2 Be7 9 O-O O-O 10 f4 Qc7
11 Kh1 Re8 12 Bf3 Rb8 13 Qd2 Bd7 14 Nb3 b6
15 g4 Bc8 16 g5 Nd7 17 Bg2 Bf8 18 Qf2 Bb7
19 Rad1 g6 20 Bc1 Nc5 21 Nxc5 dxc5 22 Rd3
22 ... Rbd8 23 Rh3 Nd4 24 Nd1 h5 25 gxh6 Kh7.
7 g3 b5 8 Bg2 Bb7 9 O-O Nbd7 10 Re1 Nb6
11 e5.

7 ... b5



7 ... Nc6 8 Qd2 Be7 9 O-O-O O-O 10 g4 Nxd4
11 Bxd4 b5 12 g5 Nd7 13 h4.
7 ... Nbd7 8 Qd2 Qc7 9 g4 h6 10 h4 Ne5
11 Rg1 Nfd7 12 f4 Nc4 13 Bxc4 Qxc4 14 g5 hxg5
15 hxg5.
7 ... Be7 8 Qd2 d5 9 e5 Nfd7 10 f4 Nc6
11 Be2 Nxd4 12 Bxd4 b5 13 a3 Bb7 14 O-O Bc5
15 Bxc5 Nxc5 16 Qd4.
7 ... Bd7 8 g4 h6 9 h4 Be7 10 Qd2 Nc6
11 O-O-O b5 12 Qg2 Nxd4 13 Bxd4 b4 14 Nb1.
7 ... Qc7 8 g4 b5 9 g5 Nfd7 10 h4 Nb6
11 a4 b4 12 a5 bxc3 13 axb6 Qxb6 14 bxc3 Nd7
15 h5 Qc7.

8 g4



8 Qd2 Nbd7 9 g4 h6 10 h4 Bb7 11 Rg1 Ne5 12 g5 hxg5
13 hxg5 Nfd7 14 f4 b4 15 Nd1 Ng6 16 f5 Nge5
17 Nf2 Nc5.
8 a4 b4 9 Na2 e5 10 Nb3 d5
11 exd5 Nxd5 12 Bf2.
8 Bd3 Bb7 9 O-O Nbd7.
8 Be2 Bb7 9 O-O Nbd7.
8 a3 Bb7 9 Bd3 Nbd7.

8 ... b4



8 ... h6 9 Qd2 Nbd7 10 O-O-O Bb7 11 h4 b4
12 Na4 Qa5 13 b3 Nc5 14 a3 Nxa4 15 axb4 Qc7
16 bxa4 d5 17 e5 Nd7 18 f4 Nb6 19 f5 Nxa4
20 fxe6 Nc3 21 exf7+ Kxf7 22 Bd3 Bxb4 23 Rdf1+
23 ... Kg8 24 Qf2 Ba3+ 25 Kd2 Ne4+ 26 Bxe4
26 ... dxe4 27 Qf5 Bb4+ 28 Kd1 Qc4 29 Ne6 Qd5+
30 Ke2.
8 ... Nfd7 9 Qd2 Nb6 10 O-O-O N8d7 11 Qf2 Bb7
12 Bd3 Rc8 13 Nce2 Qc7 14 Kb1 d5 15 Ng3 Nc4
16 Bxc4 bxc4.
8 ... Be7 9 Qd2 O-O 10 g5 Nfd7 11 h4 Ne5
12 f4 Nec6 13 O-O-O Nxd4 14 Bxd4 Nc6
15 Be3 Qa5 16 Kb1 Rd8 17 Bg2 b4 18 Ne2 d5
19 exd5 exd5 20 h5 d4 21 Bf2 Be6 22 Nc1.

9 Nce2



9 Na4 Bd7 10 c4 Qa5 11 b3 Bxa4 12 bxa4 h6
13 Bg2 Nbd7 14 O-O Rc8 15 f4.

9 ... h6



10 Qd2



10 Ng3 e5 11 Nb3 Be6 12 Bd3 Nbd7 13 Qe2 a5.
10 h4 e5 11 Nb3 d5 12 Ng3.
10 h4 e5 11 Nb3 d5 12 O-O-O Be6 13 Nc5 Bxc5
14 Bxc5 Nc6 15 exd5 Nxd5 16 Ng3 Qa5 17 Bc4 O-O-O
18 Qf2.
10 c4 bxc3 11 Nxc3 Bb7 12 Qb3 Bc8 13 O-O-O Nbd7
14 h4 Nc5 15 Qc2 Nfd7.
10 Bg2 e5 11 Nf5 g6 12 Nfg3 Be6 13 h3 h5
14 g5 h4 15 gxf6 hxg3.

10 ... e5



11 Nf5



11 Nb3 a5 12 Ng3 a4 13 Nc1 d5 14 Bb5+ Bd7
15 Bxd7+ Qxd7 16 exd5 Nxd5.

11 ... d5



12 g5



12 O-O-O Qa5 13 Kb1 Be6 14 Nc1 d4 15 Bf2 g6
16 Ng3 Nbd7.
12 exd5 Qxd5.

12 ... hxg5



13 Bxg5



13 ... Bxf5



14 exf5



14 ... Qa5



15 Bxf6 gxf6



16 O-O-O Qxa2



16 ... Bh6 17 f4 Qxa2 18 Qxd5 Qxd5 19 Rxd5.

17 Qxd5 Qxd5



18 Rxd5



By ChessCoach@care2.com

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Chess: Understanding the Sicilian Najdorf Part III

1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 a6
6 f3 e5 7 Nb3 Be6 Line



What's the game plan for White?

What's the game plan for Black?

Also available:
Chess: Understanding the Sicilian Defense
(Najdorf Variation) Part I
http://chesscoach1950.blogspot.com/2006/01/chess-understanding-sicilian-defense.html
Chess: Understanding the Sicilian Najdorf Part II
http://chesscoach1950.blogspot.com/2006/07/chess-understanding-sicili_115316520058364198.html
Chess: Understanding the Sicilian Najdorf Part IV
http://chesscoach1950.blogspot.com/2006/07/chess-understanding-sicilian-najdorf_17.html
Chess: Understanding the Sicilian Najdorf Part V
http://chesscoach1950.blogspot.com/2006/07/chess-understanding-sicilian-defense_23.html
Chess: Understanding the Sicilian Defense
(Accelerated Fianchetto)
http://chesscoach1950.blogspot.com/2006/07/chess-understanding-sicilian-defense.html
Chess: Understanding the Sicilian Dragon
http://chesscoach1950.blogspot.com/2006/01/chess-understanding-sicilian-dragon.html
Chess: Understanding the Sicilian Defense
(Löwenthal Variation)
http://chesscoach1950.blogspot.com/2006/08/chess-understanding-sicilian-defense_23.html
Chess: Understanding the Sicilian Defense
http://chesscoach1950.blogspot.com/2006/08/chess-understanding-sicilian-defense_22.html
Understanding the Sicilian Defense (Sozin Variation)
http://chesscoach1950.blogspot.com/2006/01/chess-understanding-sicilian-defense_30.html
Understanding the Sicilian Defense
(Sveshnikov Variation)
http://chesscoach1950.blogspot.com/2006/06/chess-understanding-sicilian-defense.html
Understanding the Sicilian Richter-Rauzer
http://chesscoach1950.blogspot.com/2006/06/chess-understanding-sicilian-richter.html
Understanding the Smith Morra Gambit
http://chesscoach1950.blogspot.com/2006/06/chess-understanding-smith-morra-gambit.html
Chess: Understanding the Sicilian Defense
(Keres Attack) Part I
http://chesscoach1950.blogspot.com/2006/06/chess-understanding-sicilian.html

For explanations of moves 1 through 5 please refer to:
Understanding the Sicilian Defense (Najdorf Variation)
Part I
http://chesscoach1950.blogspot.com/2006/01/chess-understanding-sicilian-defense.html

1 e4 c5



2 Nf3 d6



3 d4 cxd4



4 Nxd4 Nf6



5 Nc3 a6



6 f3



6 Bc4 b5 7 Bb3 Bb7 8 O-O e6 9 Re1 Nbd7 10 Bg5 h6
11 Bh4 g5 12 Bg3 Ne5 13 Nf3 Qc7 14 Nxe5 dxe5
15 Qf3 Bg7.
6 Bc4 Nbd7 7 Bg5 Qa5 8 Qd2 e6 9 O-O-O b5 10 Bb3 Bb7
11 Rhe1 O-O-O.
6 Rg1 e5 7 Nb3 Be6 8 g4 d5 9 g5 Nxe4 10 Nxe4 dxe4
11 Qxd8+ Kxd8.
6 Qf3 e6 7 Be3 Nbd7 8 Be2 Qc7 9 O-O-O.
6 Bd3 e6 7 f4 Qc7 8 O-O b5 9 a3 Bb7 10 Be3 Nbd7
11 Qf3 Be7 12 Rae1 Nc5 13 Kh1 O-O 14 Bg1 Rfe8
15 Qh3 Bf8 16 Nf3 Nxd3 17 cxd3.

6 ... e5



6 ... Qb6 7 Nb3 e6 8 Qe2 Qc7 9 g4 b5 10 Be3 b4
11 Na4 Nbd7 12 Qf2 Rb8 13 g5 Nh5 14 Nd4 e5
15 Nf5.
6 ... Nc6 7 Be3 e6 8 Qd2 Be7 9 O-O-O O-O 10 g4
10 ... Nxd4 11 Bxd4 b5 12 g5 Nd7 13 h4 b4 14 Ne2
14 ... a5 15 Ng3 Qc7 16 Kb1 d5 17 f4 dxe4 18 Bg2
18 ... Rd8 19 Bxe4 Bb7 20 Qg2 Nc5 21 Bxc5 Bxe4
22 Nxe4 Bxc5.
6 ... b5 7 a4 b4 8 Nd5 Nxd5 9 exd5 Bb7 10 Nf5
10 ... Qa5 11 Bc4 e5 12 Be3 Nd7 13 Qd2 g6 14 Ng3.
6 ... Bd7 7 Be3 e6 8 g4 h6 9 Qd2 Nc6 10 O-O-O b5
11 h4 Ne5 12 Be2 Nc4 13 Bxc4 bxc4 14 Qe2 Qc7
15 g5 Nh5 16 Rhg1 hxg5 17 hxg5 g6 18 f4 Rb8.
6 ... Nbd7 7 Be3 e6 8 g4 h6 9 h4 b5 10 Qd2 Bb7
11 O-O-O b4 12 Na4 Qa5 13 b3 d5 14 Bh3 dxe4
15 g5 hxg5 16 hxg5 Nd5 17 Nxe6 fxe6 18 fxe4.

7 Nb3



7 ... Be6



7 ... Be7 8 Be3 Be6 9 Qd2 O-O 10. O-O-O Nbd7
11 g4 Qc7 12 Kb1 Rfc8 13 g5 Nh5 14 Nd5 Bxd5
15 exd5 Nb6 16 Rg1 a5 17 a3 a4 18 Nc5 dxc5
19 d6 Bxd6 20 Qxd6 Qxd6 21 Rxd6.
7 ... h5 8 Be3 Be6 9 Qd2 Nbd7 10 O-O-O Rc8
11 Kb1 Be7 12 Nd5 Nxd5 13 exd5 Bf5 14 Bd3
14 ... Bxd3 15 Qxd3 Bg5 16 Bf2 O-O 17 h4 Bh6.
7 ... Nbd7 8 Be3 Rb8 9 a4 Qc7 10 a5 Be7
11 Na4 Qc6 12 c4 Nc5 13 Nbxc5 dxc5 14 Bd3
14 ... Nd7 15 O-O b5 16 axb6 Nxb6.

8 Be3



8 ... Nbd7



8 ... Be7 9 Qd2 O-O 10 O-O-O Qc7 11 g4 Nbd7
12 Kb1 Rfc8 13 g5 Nh5 14 Nd5 Bxd5 15 exd5 Nb6
16 Na5.
8 ... h5 9 Qd2 Nbd7 10 O-O-O Rc8 11 Bd3 b5
12 Kb1 Be7 13 h3 h4 14 f4 Qc7 15 Rhe1 Bc4
16 Qf2 b4 17 Nd5 Nxd5 18 exd5.
8 ... d5 9 exd5 Nxd5 10 Nxd5 Bxd5 11 c4 Bb4+
12 Kf2 Be6 13 Qxd8+ Kxd8 14 Rd1+ Nd7.
8 ... Nc6 9 Nd5 Bxd5 10 exd5 Ne7 11 c4 g6
12 Bd3 Bg7 13 O-O O-O 14 Nd2 Nh5 15 Re1.
8 ... b5 9 g4 Nbd7 10 g5 b4 11 Ne2 Nh5
12 Qd2 a5 13 Ng3 Nxg3 14 hxg3 a4 15 Nc1 Qa5
16 f4 Nc5 17 Bg2.

9 Qd2



9 g4 b5 10 g5 b4 11 Ne2 Nh5 12 Qd2 a5 13 Ng3 Nxg3
14 hxg3 a4 15 Nc1 Qa5 16 f4.
9 Nd5 Nxd5 10 exd5 Bf5.

9 ... b5



9 ... h5 10. O-O-O Rc8 11 Kb1 Be7 12 Nd5 Nxd5
13 exd5 Bf5 14 Bd3 Bxd3 15 Qxd3 Bg5 16 Bf2 O-O
17 h4 Bf4.
9 ... Be7 10 g4 h6 11 O-O-O b5 12 Kb1 Nb6
13 Qf2 Rb8 14 h4 b4 15 Ne2 Nc4 16 Bc1 a5
17 Ng3 a4 18 Nf5 Bxf5 19 exf5 Nxb2 20 Bxb2
20 ... axb3 21 axb3.
9 ... Nc5 10 O-O-O b5 11 Nxc5 dxc5 12 Qxd8+
12 ... Rxd8 13 Rxd8+ Kxd8 14 a4 b4 15 Nb1 a5
16 Nd2 Nd7 17 Bc4.

10 a4



10 g4 b4 11 Ne2 d5 12 g5 d4 13 Bxd4 exd4 14 gxf6
14 ... Qxf6 15 O-O-O.
10 Nd5 Bxd5 11 exd5 Nb6 12 Bxb6 Qxb6 13 a4 b4
14 a5 Qb7 15 Bc4.

10 ... b4



11 Nd5



11 ... Bxd5



12 exd5



12 ... Nb6



13 Bxb6 Qxb6



14 a5 Qb7



15 Bc4 Be7



16 Ra4 Rb8



17 O-O O-O



By ChessCoach@care2.com

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