Chess Opening Secrets Revealed*: 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