1. Pe4 Pe6
2. Pd4
[2. Pd3 Pd5 3. Cd2]
2... Pd5 3. Cc3
[3. Cd2 Pc5 (3... Cf6; 3... Pde4);
3. Pe5 Pc5 4. Pc3 Cc6 5. Cf3 Db6;
3. Ped5 Ped5 4. Ad3 Ad6 5. Ce2 Ce7 6. O-O O-O]
3... Cf6
[3... Ab4 4. Pe5 Pc5 5. Pa3 Ac3 (5... Pcd4) 6. Pbc3 Ce7 7. Dg4 Dc7 (7... Cf5 8. Ad3 Ph5) 8. Dg7 Tg8 9. Dh7]
4. Pe5
[4. Ag5 Ab4 (4... Ae7)]
4... Cfd7
