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 |
|---|---|---|---|
| Alfredgao | 2 | 1842 | 925 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.130 | 0.587 | 0.601 | 70.7 | -55 | 86 | 1286 | 1231 | 7210 |
| SRM | -0.645 | 0.645 | 0.784 | 137.5 | -239 | -36 | 1164 | 925 | 6049 |
| SRMFix | 0.007 | 0.649 | 0.649 | 127.1 | -104 | 150 | 1350 | 1246 | 6911 |
| EloSRM | 0.071 | 0.711 | 0.714 | 165.5 | -85 | 246 | 1927 | 1842 | 6688 |
| Odd | 0.099 | 0.729 | 0.736 | 171.4 | -77 | 265 | 1769 | 1692 | 6742 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2011-02-10 | SRM 497 | 2 | 562 | 435.19 | -0.64 | -85 | 1842 | 6688 | -239 | 925 | 6049 |
| 1 | 2010-10-21 | Member SRM 485 | 2 | 354 | 609.56 | 0.78 | 246 | 1927 | 5376 | -36 | 1164 | 3517 |