Chess Opening Secrets Revealed*: Chess: Understanding the Sicilian Najdorf Part II

1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 a6
6 Be2 e5 7 Nb3 Be7 8 0-0 0-0 9 Kh1 b5 10 a4 b4
11 Nd5 Bb7 12 Nxe7+ Qxe7 13 f3 d5 14 Bg5 dxe4
15 fxe4 Nbd7 16 Bd3 h6 17 Bxf6 Nxf6 18 Qe1 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 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:

Chess: 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 Be2

6 f4 e5 7 Nf3 Nbd7 8 a4 Be7 9 Bd3 O-O 10 O-O exf4
11 Kh1 Nc5 12 Bxf4 Bg4 13 Qd2 Bh5 14 Nd4 Bg6 15 Nf5
15 ... Bxf5 16 exf5 d5 17 Be5 Ncd7 18 Bd4 Bc5 19 Qf4.

6 f4 e6 7 Be2 Be7 8 O-O O-O 9 Kh1 Qc7 10 a4 Nc6
11 Be3 Re8 12 Bf3 Rb8 13 Qd2 Bd7 14 Nb3 b6 15 g4
15 ... Bc8 16 g5 Nd7 17 Bg2 Bb7 18 Qf2 Bf8
19 Rad1 g6 20 Bc1 Nc5 21 Nxc5 bxc5 22 Rd3
22 ... Nd4 23 Rh3 Qe7 24 Qh4 h5.

6 g3 e5 7 Nde2 Be7 8 Bg2 Nbd7 9 a4 b6 10 h3 Bb7
11 g4 Nc5 12 Ng3 O-O 13 O-O Rc8 14 Re1 g6 15 Bh6
15 ... Re8 16 Qd2 Ne6 17 Rac1 Nd7.

6 Bc4 e6 7 Bb3 b5 8 O-O Be7 9 Qf3 Qc7 10 Qg3 O-O
11 Bh6 Ne8 12 Rad1 Bd7 13 Nf3 Nc6 14 Bf4 b4 15 e5
15 ... dxe5 16 Nxe5 Bd6.

6 Bc4 e6 7 Bb3 Nbd7 8 f4 Nc5 9 f5 Be7 10 Qf3 O-O
11 Be3 e5 12 Nde2 Nxb3 13 axb3 b5 14 g4 b4 15 Nd5.

6 ... e5

6 ... e6 7 O-O Be7 8 f4 O-O 9 Kh1 Qc7 10 a4 Nc6
11 Be3 Re8 12 Bf3 Rb8 13 Qd2 Bd7 14 Nb3 b6 15 g4
15 ... Bc8 16 g5 Nd7 17 Bg2 Bf8 18 Qf2 Bb7 19 Rad1
19 ... g6 20 Bc1 Rbc8 21 Rd3 Nb4 22 Rh3 Bg7 23 Be3
23 ... Re7 24 Kg1 Rce8.

6 ... Nbd7 7 f4 e5 8 Nf5 Nc5 9 Ng3 Qb6 10 f5 Bd7
11 Rb1 Bc6 12 Bf3 Be7 13 Be3 Qc7 14 O-O b5 15 Bg5
15 ... Ncd7 16 a3 a5 17 Qd2 O-O 18 Nd5 Bxd5 19 exd5.

6 ... g6 7 a4 Bg7 8 O-O O-O 9 Be3 Nc6 10 f4 Bd7
11 Nb3 Be6 12 g4 Rc8 13 f5 Bxb3 14 cxb3 Nd7 15 g5
15 ... Nc5 16 Rf4 Be5 17 Rh4 Nb4 18 Bc4 Qc7 19 a5.

7 Nb3

7 Nf3 Be7 8 O-O O-O 9 Bg5 Nbd7 10 Bc4 b5
11 Bb3 Bb7 12 Re1 Rc8 13 Bxf6 Nxf6 14 Qd3 b4 15 Nd5
15 ... Bxd5 16 exd5 a5.

7 Nf5 d5 8 Bg5 d4 9 Bxf6 Qxf6 10 Nd5 Qd8
11 c4 Nc6 12 O-O g6 13 Ng3 h5 14 Bf3 Be6 15 Ne2.

7 ... Be7

7 ... Be6 8 f4 Qc7 9 O-O Nbd7 10 f5 Bc4 11 a4 Be7
12 a5 O-O 13 Be3 b5 14 axb6 Nxb6 15 Kh1 Rfc8
16 Bxb6 Qxb6 17 Bxc4 Rxc4 18 Qe2 Rac8 19 Ra2
19 ... Bd8 20 Rfa1 Qb7 21 Ra4 Rxa4 22 Rxa4
22 ... Rc6 23 Qd3.

8 O-O

8 Be3 Be6 9 O-O O-O 10 Qd2 Nbd7 11 a4 Rc8
12 a5 Qc7 13 Rfd1.
8 a4 Nc6 9 O-O O-O 10 f4 Nb4 11 Kh1 Be6
12 f5 Bd7 13 Bg5 Bc6.
8 Bg5 Be6 9 Bxf6 Bxf6 10 Nd5 Bg5 11 h4 Bh6
12 g4 f6 13 Bc4 Bf7 14 Ne3 Bxe3 15 Bxf7+ Kxf7
16 Qd5+ Kf8 17 fxe3 Nc6.
8 f4 O-O 9 O-O b5 10 a4.

8 ... O-O

8 ... Be6 9 f4 Qc7 10 a4 Nbd7 11 Kh1 O-O
12 Be3 exf4 13 Rxf4 Ne5 14 a5 Rac8 15 Nd4 Rfe8
16 Nf5 Bf8 17 Bb6 Qd7 18 Ne3 Ng6 19 Rf1 Qc6.
8 ... Qc7 9 a4 b6 10 Bg5 Nbd7 11 Nd2 Bb7
12 Bc4 O-O 13 Qe2 Rfc8 14 Rfd1 h6 15 Bxf6 Nxf6
16 Bb3 Qc5 17 Nc4.

9 Kh1

9 Be3 Be6 10 Qd2 Nbd7 11 a4 Rc8 12 a5 Qc7
13 Rfd1.
9 a4 Be6 10 f4 exf4 11 Bxf4 Nc6 12 Kh1 Rc8.
9 Qd3 Qc7 10 Bg5 Be6 11 Bxf6 Bxf6 12 Nd5
12 ... Bxd5 13 Qxd5.
9 f4 b5 10 a4 b4 11 Nd5 Nxd5 12 Qxd5 Qb6+
13 Kh1 Bb7 14 Qd3 Nd7 15 Bf3 Rac8 16 Bg4.

9 ... b5

9 ... b6 10 Be3 Bb7 11 f3 b5 12 a4 b4 13 Nd5 Nxd5
14 exd5 Nd7 15 c3 bxc3 16 bxc3 Bg5 17 Bf2 Qc7
18 c4.

10 a4

10 Nd5 Nxd5 11 Qxd5 Ra7 12 Be3 Be6 13 Qd1 Rd7
14 a4 b4 15 f4 d5 16 Nc5 Bxc5 17 Bxc5.
10 f4 Bb7 11 Bf3 Nbd7 12 a3 Qc7 13 g4 d5
14 exd5 e4 15 Bg2 Nb6 16 g5 Nfxd5 17 Nxe4 Rad8
18 Nd4 Rfe8 19 Qd3 Qc4.

10 ... b4

10 ... Bb7 11 Nd5 b4 12 Nxe7+ Qxe7 13 f3 d5
14 exd5 Bxd5 15 Bg5 Rd8 16 Qe1 Nc6 17 Qf2 h6
18 Be3.

11 Nd5

11... Bb7

11 ... Nxd5 12 Qxd5 Ra7 13 Be3 Be6 14 Qd2 Rb7
15 f4 exf4 16 Bxf4 Qc8 17 Nd4 Rd8 18 Nxe6 Qxe6.

12 Nxe7+ Qxe7

12 Nxf6+ Bxf6 13 f3 Qc7 14 Be3 Nd7 15 c3 bxc3
16 Rc1 Rac8 17 Rxc3 Qb8 18 Na5 Rxc3 19 bxc3 Bc8.
12 Be3 Nxd5 13 exd5 a5 14 c4 bxc3 15 bxc3 Bg5
16 Bxg5 Qxg5 17 Bb5 Qd8 18 c4 Nd7 19 f4 exf4.

13 f3 d5