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 |
|---|---|---|---|
| chenxinsheng | 2 | 1620 | 823 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | -0.145 | 0.155 | 0.213 | 18.7 | -36 | 1 | 1201 | 1165 | 8138 |
| SRMFix | -0.183 | 0.183 | 0.233 | 32.3 | -55 | -10 | 1190 | 1135 | 7936 |
| EloSRM | -0.128 | 0.199 | 0.237 | 48.4 | -45 | 52 | 1664 | 1620 | 7466 |
| Odd | -0.109 | 0.214 | 0.240 | 53.6 | -38 | 70 | 1530 | 1493 | 7516 |
| SRM | -0.839 | 0.839 | 0.840 | 188.5 | -189 | -188 | 1011 | 823 | 7254 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2009-07-08 | SRM 444 | 2 | 789 | 629.03 | -0.33 | -45 | 1620 | 7466 | -188 | 823 | 7254 |
| 1 | 2009-06-13 | SRM 442 | 2 | 653 | 686.30 | 0.07 | 52 | 1664 | 7043 | -189 | 1011 | 4685 |