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 |
|---|---|---|---|
| sophiaxia | 3 | 1716 | 893 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.189 | 0.423 | 0.477 | 94.0 | -47 | 149 | 1763 | 1716 | 6858 |
| initial | 0.219 | 0.453 | 0.533 | 54.6 | -42 | 101 | 1322 | 1279 | 6474 |
| SRMFix | 0.122 | 0.490 | 0.547 | 78.1 | -74 | 120 | 1360 | 1287 | 6434 |
| SRM | -0.016 | 0.521 | 0.619 | 102.3 | -173 | -16 | 1184 | 893 | 8258 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2008-11-25 | SRM 427 | 2 | 460 | 360.84 | -0.35 | -47 | 1716 | 6858 | -118 | 893 | 8258 |
| 2 | 2008-05-03 | East China Round 1 | 1 | 390 | 643.63 | 0.72 | 149 | 1763 | 5475 | -173 | 1011 | 5607 |
| 1 | 2007-10-09 | College Tour SRM 370 | 1 | 118 | 135.12 | 0.20 | 86 | 1614 | 5464 | -16 | 1184 | 2805 |