Originally posted by LordofADown
I'm not positive but I believe that it is ideal to have your f, g, and h pawns at their starting positions for optimal defense after a kingside castle in the opening and midgame stages. So I have a couple of questions regarding kingside pawn weaknesses.
For the following, could you please highlight a)what the weakness of such a move is and b)how to c ...[text shortened]... 2. h pawn pushed to h3
3. f pawn pushed to f3 or f4
Thanks in advance fellow chess players.
1. g pawn -
This creates a weakness at h3 and f3 [assuming the e pawn has moved] for a piece, with a view to exploiting the white square weaknesses around the king. One of the plans for the attacking side versus a fianchettoed castle position is to trade the bishops of that colour in order to leave a static weakness in the pawn structure around the king.
2. h pawn -
This weakens the g and h file. The attacking side is often prepared to sacrifice a bishop for the h pawn in what is called a "Greek gift." If a heavy piece, such as the queen or rook, is on the g file then the g pawn may be pinned.
3. f pawn -
This is probably the least weakening of the three pawn moves. The side pushing the f pawn usually prepares for this by moving the king into the corner where the possibility of a nasty check at some point in the future is avoided.