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 |
|---|---|---|---|
| wenzhengnan | 3 | 2115 | 1207 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.339 | 0.431 | 0.479 | 18.3 | -24 | 20 | 1207 | 1207 | 3055 |
| EloSRM | 0.771 | 0.771 | 0.777 | 165.5 | 88 | 271 | 2115 | 2115 | 3429 |
| SRMFix | 0.775 | 0.775 | 0.782 | 133.5 | 88 | 170 | 1601 | 1601 | 3409 |
| Odd | 0.806 | 0.806 | 0.812 | 172.3 | 90 | 284 | 1981 | 1981 | 3471 |
| initial | 1.029 | 1.029 | 1.043 | 123.9 | 97 | 148 | 1572 | 1572 | 3586 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2009-09-23 | SRM 449 | 2 | 206 | 321.71 | 0.64 | 88 | 2115 | 3429 | 20 | 1207 | 3055 |
| 2 | 2009-08-25 | SRM 447 | 2 | 216 | 374.40 | 0.79 | 138 | 2027 | 3991 | 11 | 1187 | 3195 |
| 1 | 2009-07-23 | SRM 445 | 2 | 392 | 719.64 | 0.88 | 271 | 1889 | 5008 | -24 | 1176 | 3265 |