Czech Pirc
2 • jet_set_willy •- Classical (4 Nf3 Bg4)
- Austrian (4 f4 Qa5)
- Byrne (4 Bg5 Nbd7)
- 3 Bd3 e5
- jet_set_willy
Tromp
2 • jet_set_willy •- TROMP
- 2 ... e6 3 Nbd2 (Tromp Wall)
- 2 ... Ne4 3 Bf4
- 2 ... g6 3 Bxf6
- jet_set_willy
Athena-Pallada 1 b3
1 • jet_set_willy •- 1 b3 e5 (Modern)
- --- 2 Nf3 d6
- --- 2 Nf3 e4
- 1 b3 d5 (Classical)
- jet_set_willy
NimzoLarsen
1 • jet_set_willy •- vs d5/c5/Nc3 setups
- --- 5 ... Bf5
- --- 5 ... e6
- vs d5/e6/Nf6
- jet_set_willy
Penings English
1 • jet_set_willy •- Copycat
- Copycat with ... e5
- Copycat with early ... d5
- Reverse Sicilian (... Bc5 or ... Bb4)
- jet_set_willy
Gurg
1 • jet_set_willy •- e4/d4/Nc3 = ... d5
- e4/d4/Nf3 = ... d5
- e4/Nf3/Bc4 = ... c5
- e4/d4/Be3 = ... d5
- jet_set_willy