CF Recommender
Training Lab · Beta
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Train from your own signal.

Use your public Codeforces history to build a problem queue around your rating, weak topics, and unfinished work.

  • Problem queueRecommendations calibrated to your profile.
  • Weak-area analysisTopic signals derived from actual attempts.
  • Optional account syncGoogle keeps your upsolve workspace available.
Primary access

Continue with Codeforces

No password required. Enter the public handle you compete with.

Public username only
or sync your workspace

Google sign-in enables persistent upsolve lists and notes.

CF Recommender reads public Codeforces API data only.
CF Recommender© 2026 / deliberate practice systems
Built by Shaun