USCF (US Chess)
Over the board
The official rating system for over-the-board chess in the United States. USCF ratings are used for tournaments, club play, and determining national rankings.
- Starting rating
- Varies based on first tournament performance
- Update frequency
- Three times per month (early, mid, late)
- Provisional period
- First 25 games
- System
- Elo-based with USCF modifications