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 |
|---|---|---|---|
| guoduanac | 2 | 2395 | 1262 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 1.335 | 2.149 | 2.530 | 345.0 | -314 | 376 | 1576 | 1262 | 3268 |
| initial | 2.174 | 2.276 | 3.147 | 274.1 | -12 | 536 | 1736 | 1723 | 3711 |
| SRMFix | 1.963 | 2.421 | 3.117 | 390.7 | -76 | 706 | 1906 | 1830 | 2916 |
| EloSRM | 2.066 | 2.455 | 3.209 | 413.9 | -75 | 752 | 2470 | 2395 | 3124 |
| Odd | 2.088 | 2.484 | 3.245 | 422.9 | -71 | 775 | 2302 | 2232 | 3115 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2011-10-04 | SRM 520 | 1 | 704 | 577.15 | -0.39 | -75 | 2395 | 3124 | -314 | 1262 | 3268 |
| 1 | 2011-07-13 | SRM 512 | 2 | 40 | 918.45 | 4.52 | 752 | 2470 | 2520 | 376 | 1576 | 1375 |