It's time to bring back advanced search by opening, with this you could study openings that worked for you, and those that worked against you. That what having all the old games you've played available is good for.
The two searches you replaced it with: search by initial time, and search by increment make no sense in the study of chess. You could already sort your games by variant: classical, blitz, or bullet.
The two searches you replaced it with: search by initial time, and search by increment make no sense in the study of chess. You could already sort your games by variant: classical, blitz, or bullet.