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 |
|---|---|---|---|
| lonlon | 2 | 1691 | 853 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.017 | 0.272 | 0.272 | 32.7 | -31 | 35 | 1235 | 1204 | 7515 |
| SRMFix | -0.074 | 0.299 | 0.308 | 58.3 | -62 | 54 | 1254 | 1192 | 7766 |
| EloSRM | -0.019 | 0.383 | 0.384 | 99.2 | -53 | 145 | 1745 | 1691 | 7176 |
| Odd | 0.003 | 0.392 | 0.392 | 102.6 | -45 | 160 | 1612 | 1567 | 7244 |
| SRM | -0.856 | 0.856 | 0.862 | 173.5 | -197 | -150 | 1050 | 853 | 8823 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2009-03-24 | SRM 437 | 2 | 654 | 494.89 | -0.40 | -53 | 1691 | 7176 | -197 | 853 | 8823 |
| 1 | 2009-03-11 | SRM 436 | 2 | 441 | 567.66 | 0.36 | 145 | 1745 | 6626 | -150 | 1050 | 5762 |