Was it a particular position? Was it one of those notoriously difficult composed studies? How far did you calculate? Did you read a position from Aagard's GM Calculation? When I take it off the shelf I sometimes look at the board for a half an hour writing down the variations. Careful though because sometimes a seemingly reasonable move will turn out to be a complete bummer due to a seemingly small detail!
I Stared at a Chess Board for Half an Hour.
So at this rate, if I stare at a chess board for a week, I'll be the World Champion in no time. Better get cracking on it.


The next day, I found myself winning a lot of games.