I keep a spreadsheet of: date taken, PT#, time, score, and comments. I've done over 200 game sections during my practice. I score -0 to -1 consistently and finish most game sections in 30 min or less.
... can get the goal of 0 loss in logical games eventually ... finish any single logical games 1 month ago. During the past ... me because of it difficulty, 0 loss in logical game is ...
It's very subjective as to what constitutes a hard game. For example, RC is by far my worst section, but I usually go -0 or -1 on the "hardest passages," but miss 3/4 on "easy/medium passages. It all depends where your strengths and weaknesses lie.