3.51 The challenge must be met if the rating system is to succeed, if it is to produce ratings that will satisfy the players and the users of the rating list.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| zhanghang20 | 1 | 1649 | 986 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | -0.024 | 0.024 | 0.024 | 2.9 | -3 | -3 | 1197 | 1197 | 7662 |
| EloSRM | 0.038 | 0.038 | 0.038 | 41.0 | 41 | 41 | 1649 | 1649 | 7348 |
| Odd | 0.074 | 0.074 | 0.074 | 61.2 | 61 | 61 | 1519 | 1519 | 7435 |
| SRMFix | -0.081 | 0.081 | 0.081 | 19.9 | -20 | -20 | 1180 | 1180 | 7600 |
| SRM | -0.909 | 0.909 | 0.909 | 214.0 | -214 | -214 | 986 | 986 | 6208 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2009-05-12 | SRM 440 | 2 | 640 | 656.89 | 0.04 | 41 | 1649 | 7348 | -214 | 986 | 6208 |