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 |
|---|---|---|---|
| zctcheng | 2 | 2065 | 1294 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.265 | 0.370 | 0.456 | 55.0 | -8 | 102 | 1302 | 1294 | 2407 |
| SRMFix | 0.779 | 0.779 | 0.999 | 161.3 | 26 | 296 | 1523 | 1523 | 3883 |
| initial | 0.821 | 0.821 | 1.037 | 98.8 | 23 | 175 | 1398 | 1398 | 4754 |
| EloSRM | 0.833 | 0.833 | 1.077 | 226.1 | 61 | 391 | 2065 | 2065 | 3703 |
| Odd | 0.850 | 0.850 | 1.101 | 230.1 | 57 | 404 | 1921 | 1921 | 3842 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2009-07-23 | SRM 445 | 1 | 368 | 554.35 | 0.15 | 61 | 2065 | 3703 | -8 | 1294 | 2407 |
| 1 | 2009-06-13 | SRM 442 | 2 | 240 | 686.30 | 1.52 | 391 | 2004 | 4115 | 102 | 1302 | 2350 |