Rating Explained
Understanding the Chess Gen 2 Rating System (CG2R)
What is Chess Gen 2 Rating (CG2R)?
Chess Gen 2 introduces a modern rating system designed to make player progress feel fairer, more dynamic, and more exciting. Your rating changes based on both the outcome and the strength of your opponent.
Examples:
- Win vs stronger player → Bigger rating gain
- Win vs weaker player → Smaller gain
- Draw vs stronger player → Small gain
- Draw vs weaker player → Small loss
- Lose vs weaker player → Bigger drop
- Lose vs stronger player → Smaller drop
Every result has weight — and every move pushes your rating forward (or back).
Why Does CG2R Use Decimal Ratings?
CG2R represents your skill as a decimal between 0.300 and 1.000. This is equivalent to 30.0% to 100.0% mastery — giving you a clear sense of where you stand.
For example:
- A rating of 0.724 means you're performing at 72.4% of the mastery scale.
- A player at 0.721 is slightly behind — and that matters in rankings and matchmaking.
Benefits:
- Precision: Fine-grained tracking of performance
- Fairness: More accurate rankings in tight ranges
- Clarity: Easy to read, scale, and adjust behind the scenes
Why You Can't Reach 1.000 Easily
The maximum rating is 1.000, but reaching it is extremely rare.
As you approach the top, the system uses exponential damping — meaning each win gives smaller and smaller gains. This ensures that only players with consistent, long-term high-level performance can reach the very top.
In other words, the closer you get to perfection, the harder it becomes to improve.
How the Formula Works (in simple terms)
CG2R uses a formula that looks at:
- Your current rating
- Your opponent's rating
- The result of the game
- The expected outcome
- Recent activity and consistency
It applies a scaling factor to reward or penalize performance based on context. The system also adjusts changes over time, so that flukes don't have an outsized impact — and steady improvement is rewarded more than one-off wins.
While the exact formula is proprietary, it's built to ensure that your rating always reflects your true playing strength — not just your win/loss record.
Rating Boundaries
Minimum Rating: 0.300
No one can fall below this floor — it's the starting point for all players.
Maximum Rating: 1.000
Top-level mastery, difficult to reach, and never surpassed.
Your CG2R rating determines your place in global rankings, tournament brackets, and matchmaking tiers. It grows with you — and challenges you to rise.
Step into the next evolution of chess — where legends begin.