Chess Opening Secrets Revealed*: Chess: Understanding Grob's Attack Part I

1 g4 d5 2 Bg2 c6 3 h3 e5 4 d4 e4 5 c4 Bd6
6 Nc3 Ne7 7 g5 Be6 8 h4 Nf5 9 Bh3 0-0 Line

What's the game plan for White?

What's the game plan for Black?

Also available:
Chess: Understanding Grob's Attack Part II
http://chesscoach1950.blogspot.com/2006/08/chess-understanding-grobs-attack-part.html

1 g4

1 ... d5

1 ... e5
1 ... h5 2 g5 e5 (2 ... d5; 2 ... Nc6)

2 Bg2

2 h3 e5 3 Bg2 c6 4 d3 Bd6 5 Nc3 Ne7.
2 h3 e5 3 Bg2 c6 4 e4 Ne7 5 d3 Ng6.
2 h3 e5 3 d3 Be6 4 Bg2 Nc6 5 a3 Bd6 6 b4 Nge7.
2 h3 c6 3 Bg2 h5 4 g5 Bf5 5 Nf3 Nd7 6 Nh4 e6 7 Nxf5 exf5
8 d3 Ne7 9 e4 Nc5 10 exd5 Nxd5.
2 h3 c6 3 Bg2 h5 4 g5 h4 5 e4 dxe4 6 Nc3 Qa5 7 Nxe4 Bf5
8 Nc3 e6 9 Be4 Nd7 10 Qe2 Bb4.
2 g5 e5 3 Bg2.
2 g5 e5 3 c4 dxc4 4 Na3 Bxa3 5 Qa4+ Nc6 6 Qxa3 Qxg5.
2 g5 e5 3 c4 dxc4 4 Na3 Bxa3 5 bxa3 Qd4.

2 ... c6

2 ... e5 3 c4 dxc4 4 Qa4+ c6 5 Qxc4 Be6 6 Qa4.
2 ... e5 3 c4 dxc4 4 b3 Bc5 5 Bb2.
2 ... e5 3 d3 Bxg4 4 c4 c6 5 cxd5 cxd5 6 Qb3 Nf6 7 Qxb7 Nbd7.
2 ... e5 3 d3 Bxg4 4 c4 c6 5 cxd5 cxd5 6 Qb3 Be6 7 Qxb7 Nd7.
2 ... e5 3 d3 Bxg4 4 c4 dxc4 5 Bxb7 Nd7 6 Bxa8 Qxa8 7 f3 cxd3
8 Qxd3 Be6 9 Nc3.
2 ... e5 3 d3 c6 4 h3 Bd6.
2 ... Bxg4 3 c4 c6 4 cxd5 cxd5 5 Qb3 Nf6 6 Qxb7 Nbd7 7 Nc3 e6
8 Nb5 Rb8 9 Nc7+ Ke7 10 Qxa7 Qc8.
2 ... Bxg4 3 c4 c6 4 cxd5 Nf6 5 Nc3 cxd5 6 Qb3 e6 7 Qxb7 Nbd7.
2 ... Bxg4 3 c4 c6 4 Qb3 Qc7 5 cxd5 cxd5 6 Nc3 Nc6 7 Nxd5 Qd7.
2 ... Bxg4 3 c4 c6 4 Qb3 Qd7 5 cxd5 Nf6 6 Nc3 cxd5 7 Nxd5 Nc6
8 Nxf6+ exf6 9 Nf3.
2 ... Bxg4 3 c4 d4 4 Bxb7 Nd7 5 Bxa8 Qxa8 6 f3.
2 ... Nc6
2 ... g6
2 ... c5

3 h3

3 c4 dxc4 4 h3 h5 5 g5 Bf5 6 Nf3 e6.
3 c4 dxc4 4 Na3 Bxg4 5 Nxc4.
3 g5 e5.

3 ... e5

3 ... h5 4 g5 Bf5 5 Nf3 Nd7 6 Nh4 e6 7 Nxf5 exf5
8 d3 Ne7 9 e4 Nc5 10 exd5 Nxd5.
3 ... h5 4 g5 h4 5 e4 dxe4 6 Nc3 Qa5 7 Nxe4 Bf5
8 Nc3 e6 9 Be4 Nd7 10 Qe2 Bb4.

4 d4

4 d3 Bd6 5 Nc3 Ne7.
4 e4 Ne7 5 d3 Ng6 .

4 ... e4

4 ... Nd7 5 c4 dxc4 6 Nc3 Bd6 7 Nf3 Ne7.
4 ... Nd7 5 c4 dxc4 6 Nf3 Bd6 7 Nc3 Ne7.
4 ... Nd7 5 dxe5 Nxe5 6 Nf3 Nxf3+ 7 Bxf3 Bd6.
4 ... exd4 5 Qxd4 Nd7.

5 c4

5 ... Bd6

5 ... Be6 6 Nc3 Nf6 7 Qb3 Qb6
8 c5 Qxb3 9 axb3 Nbd7 10 b4 a6 11 b5.
5 ... Bb4+

6 Nc3

6 ... Ne7

7 g5

7 Qc2 O-O.
7 Bg5 f6 8 Bd2 O-O.
7 Qb3 O-O 8 Bg5 f6 9 Bd2 Kh8.
7 Qb3 O-O 8 Bg5 f6 9 Bd2 Qb6 10 c5 Qxb3 11 axb3 Bc7 12 b4.
7 Qb3 Qb6 8 c5 Qxb3 9 axb3 Bc7 10 b4 a6 11 b5 Nd7 12 b4 O-O
13 b6 Bb8 14 b5.
7 Qb3 O-O 8 Bg5 f6 9 cxd5 cxd5 10 Nxd5 Be6 11 Nxe7+ Qxe7
12 d5 Bf7 13 Be3 Na6 14 a3 Nc7 15 Rd1 Nxd5 16 Rxd5 Qe6 17 Rb5.
7 ... Be6