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 |
|---|---|---|---|
| ChaunceyChen | 3 | 2125 | 1204 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 1.026 | 1.026 | 1.428 | 142.3 | 27 | 325 | 1627 | 1627 | 3282 |
| EloSRM | 1.066 | 1.066 | 1.410 | 168.3 | 80 | 322 | 2125 | 2125 | 3355 |
| Odd | 1.102 | 1.102 | 1.424 | 174.1 | 84 | 317 | 1988 | 1988 | 3422 |
| initial | 1.165 | 1.165 | 1.517 | 140.3 | 20 | 299 | 1621 | 1621 | 3352 |
| SRM | 0.658 | 1.177 | 1.293 | 108.0 | -160 | 128 | 1204 | 1204 | 3106 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2009-09-10 | SRM 448 | 2 | 181 | 275.64 | 0.61 | 80 | 2125 | 3355 | 36 | 1204 | 3106 |
| 2 | 2009-08-25 | SRM 447 | 2 | 105 | 536.60 | 2.35 | 322 | 2045 | 3867 | 128 | 1168 | 3345 |
| 1 | 2009-08-08 | SRM 446 | 2 | 605 | 713.95 | 0.24 | 102 | 1723 | 6420 | -160 | 1040 | 4383 |