The Critical Position and Planning
This isn't about the swinging bishop but rather about the critical positions reached in every game. This is the point of the game where there's wither some sharp tactics or a key turning point that can determine the flow of the remainder of the game. Here's a position from a game of mine where both situations occurred back to back.
The e5 pawn is only defended once. The line I calculated was Nxe5 Qg5 g3 Bxe5 Bxe5 Nh3+ Kg2 Qxe5 losing. Thus I avoided taking on e5. But there is a second line. Do you see the better way to proceed?
White could've forced a draw which may or may not be desireable. But I only looked at one losing line. As this was one of the very few tactically complicated positions in the game I should have taken more time to thoroughly examine all the possibilities. This is one area I need to improve in as I often look at one line and if it doesn't work I just throw out a move without nearly enough thought.
After avoiding the Nxe5 move we end up with this position on the next move
It's pretty obvious that white will need to expand on the queenside. Blacks light squared bishop may also have some issue developing while the knight on f4 is very nice and black's dark squared bishop is useful while white's is not.
Bc1 (looking trade a bad piece for a good one) Ng6 h3 (limiting the light squared bishop). That part was fine, now for white to solidify his game he woould love to play a4-a5 completely shutting down the light squared bishop. Bd2 Qe8 and now a4 either will allow b5 next move or a4 b5 axb5 bxb5 and white's knight can take up a roost on the sixth rank.