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 |
|---|---|---|---|
| zfzhang | 2 | 2136 | 1288 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.889 | 1.015 | 1.349 | 68.0 | -24 | 112 | 1288 | 1288 | 2460 |
| SRMFix | 1.520 | 1.520 | 1.756 | 235.7 | 147 | 324 | 1671 | 1671 | 3030 |
| EloSRM | 1.543 | 1.543 | 1.733 | 261.6 | 236 | 288 | 2136 | 2136 | 3220 |
| Odd | 1.573 | 1.573 | 1.758 | 265.8 | 249 | 282 | 1992 | 1992 | 3345 |
| initial | 1.684 | 1.684 | 1.954 | 202.8 | 83 | 322 | 1606 | 1606 | 3416 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2009-06-23 | SRM 443 | 2 | 71 | 357.66 | 2.33 | 288 | 2136 | 3220 | 112 | 1288 | 2460 |
| 1 | 2009-06-13 | SRM 442 | 2 | 407 | 686.30 | 0.75 | 236 | 1848 | 5322 | -24 | 1176 | 3260 |