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 |
|---|---|---|---|
| perhapszzy | 4 | 2102 | 1239 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | 0.940 | 0.988 | 1.323 | 149.1 | -15 | 284 | 1993 | 1978 | 3265 |
| EloSRM | 0.947 | 0.994 | 1.335 | 149.0 | -15 | 289 | 2117 | 2102 | 3251 |
| SRMFix | 0.958 | 1.023 | 1.382 | 132.2 | -16 | 246 | 1713 | 1697 | 2965 |
| SRM | 0.846 | 1.060 | 1.574 | 74.2 | -110 | 125 | 1349 | 1239 | 3346 |
| initial | 1.053 | 1.067 | 1.478 | 128.5 | -3 | 284 | 1710 | 1707 | 3054 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2008-09-04 | SRM 416 | 1 | 466 | 479.47 | -0.09 | -15 | 2102 | 3251 | -110 | 1239 | 3346 |
| 3 | 2008-05-24 | College Tour Beijing | 1 | 55 | 218.90 | 1.99 | 228 | 2117 | 2847 | 125 | 1349 | 2309 |
| 2 | 2007-12-11 | SRM 382 | 2 | 102 | 348.06 | 1.77 | 289 | 1889 | 3904 | 43 | 1224 | 2862 |
| 1 | 2007-12-04 | College Tour SRM 380 | 1 | 125 | 136.73 | 0.12 | 64 | 1600 | 6122 | -19 | 1181 | 3121 |