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 |
|---|---|---|---|
| Trainbow | 2 | 1765 | 944 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.152 | 0.152 | 0.152 | 31.8 | 24 | 39 | 1264 | 1264 | 6370 |
| EloSRM | 0.182 | 0.182 | 0.214 | 79.0 | 35 | 123 | 1765 | 1765 | 6157 |
| Odd | 0.204 | 0.204 | 0.240 | 90.5 | 42 | 139 | 1638 | 1638 | 6230 |
| initial | 0.234 | 0.234 | 0.234 | 28.2 | 28 | 28 | 1256 | 1256 | 6437 |
| SRM | -0.545 | 0.545 | 0.610 | 128.0 | -167 | -89 | 1033 | 944 | 6645 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2009-05-12 | SRM 440 | 2 | 509 | 534.52 | 0.07 | 35 | 1765 | 6157 | -89 | 944 | 6645 |
| 1 | 2009-04-30 | SRM 439 | 2 | 364 | 446.35 | 0.29 | 123 | 1730 | 6685 | -167 | 1033 | 5781 |