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 |
|---|---|---|---|
| jgao | 3 | 1949 | 999 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.553 | 0.630 | 0.852 | 75.8 | -14 | 172 | 1400 | 1400 | 4919 |
| SRMFix | 0.460 | 0.637 | 0.822 | 92.7 | -45 | 167 | 1388 | 1388 | 5281 |
| Odd | 0.518 | 0.689 | 0.844 | 145.4 | -19 | 251 | 1818 | 1818 | 4636 |
| EloSRM | 0.518 | 0.695 | 0.858 | 152.5 | -28 | 273 | 1949 | 1949 | 4532 |
| SRM | -0.150 | 0.808 | 0.825 | 105.7 | -138 | 58 | 1079 | 999 | 6429 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2009-02-12 | SRM 435 | 2 | 154 | 406.86 | 1.40 | 273 | 1949 | 4532 | 58 | 999 | 6429 |
| 2 | 2008-04-23 | SRM 399 | 2 | 364 | 302.81 | -0.27 | -28 | 1676 | 5987 | -138 | 941 | 5390 |
| 1 | 2008-02-26 | SRM 391 | 2 | 325 | 434.34 | 0.42 | 157 | 1704 | 5699 | -121 | 1079 | 4151 |