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 |
|---|---|---|---|
| ChristX | 2 | 2117 | 1371 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.348 | 0.348 | 0.423 | 85.5 | 29 | 142 | 1371 | 1371 | 2099 |
| SRMFix | 0.774 | 0.774 | 0.790 | 153.4 | 100 | 207 | 1507 | 1507 | 4085 |
| initial | 0.792 | 0.792 | 0.805 | 95.3 | 78 | 113 | 1391 | 1391 | 4930 |
| EloSRM | 0.802 | 0.802 | 0.820 | 277.9 | 277 | 279 | 2117 | 2117 | 3340 |
| Odd | 0.806 | 0.806 | 0.824 | 265.6 | 257 | 274 | 1959 | 1959 | 3554 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2009-05-12 | SRM 440 | 1 | 404 | 628.25 | 0.63 | 279 | 2117 | 3340 | 29 | 1371 | 2099 |
| 1 | 2008-06-08 | College Tour West China | 1 | 220 | 431.32 | 0.97 | 277 | 1838 | 5122 | 142 | 1342 | 2464 |