In Diagrams 29 and 30 we see the chains of pawns formed by these manoeuvres.

White’s pawn attack is more dangerous than Black’s,

---------------------------------------
8 |    |    |    |    |    |    |    |    |
|---------------------------------------|
7 | #P | #P |    |    |    | #P | #P | #P |
|---------------------------------------|
6 |    |    |    |    | #P |    |    |    |
|---------------------------------------|
5 |    |    | #P | #P | ^P | ^P |    |    |
|---------------------------------------|
4 |    |    |    | ^P |    |    |    |    |
|---------------------------------------|
3 |    |    |    |    |    |    |    |    |
|---------------------------------------|
2 | ^P | ^P | ^P |    |    |    | ^P | ^P |
|---------------------------------------|
1 |    |    |    |    |    |    |    |    |
---------------------------------------
A    B    C    D    E    F    G    H

Diag. 29

because it involves a direct assault on the King.  And we shall see that Black will usually be compelled to suspend operations on the Queen’s side temporarily, to ward off the storm by the

---------------------------------------
8 |    |    |    |    |    |    |    |    |
|---------------------------------------|
7 | #P |    |    |    |    | #P | #P | #P |
|---------------------------------------|
6 |    |    |    |    | #P |    |    |    |
|---------------------------------------|
5 |    |    |    | #P | ^P | ^P |    |    |
|---------------------------------------|
4 |    | #P | #P | ^P |    |    |    |    |
|---------------------------------------|
3 |    |    | ^P |    |    |    |    |    |
|---------------------------------------|
2 | ^P | ^P |    |    |    |    | ^P | ^P |
|---------------------------------------|
1 |    |    |    |    |    |    |    |    |
---------------------------------------
A    B    C    D    E    F    G    H

Diag. 30

White Pawns on the King’s side.  He will attempt this either by P-KB3 attacking White’s centre or by P-KB4 preventing White from playing P-B5.  In the latter case White can only make a breach in the Black barrier by playing P-KKt4 as well.  These manoeuvres result in the pawn formations given in Diagrams 31 and 32.

---------------------------------------
8 |    |    |    |    |    |    |    |    |
|---------------------------------------|
7 | #P | #P |    |    |    |    | #P | #P |
|---------------------------------------|
6 |    |    |    |    | #P | #P |    |    |
|---------------------------------------|
5 |    |    | #P | #P | ^P |    |    |    |
|---------------------------------------|
4 |    |    |    | ^P |    | ^P |    |    |
|---------------------------------------|
3 |    |    | ^P |    |    |    |    |    |
|---------------------------------------|
2 | ^P | ^P |    |    |    |    | ^P | ^P |
|---------------------------------------|
1 |    |    |    |    |    |    |    |    |
---------------------------------------
A    B    C    D    E    F    G    H

Diag. 31