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 |
|---|---|---|---|
| ruoshui | 2 | 1563 | 658 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | -0.133 | 0.236 | 0.271 | 60.3 | -78 | 43 | 1428 | 1428 | 8218 |
| initial | -0.248 | 0.248 | 0.338 | 29.9 | -57 | -2 | 1143 | 1140 | 9229 |
| EloSRM | -0.152 | 0.251 | 0.294 | 67.9 | -95 | 41 | 1563 | 1563 | 8110 |
| SRMFix | -0.232 | 0.289 | 0.370 | 65.4 | -121 | 10 | 1089 | 1089 | 9142 |
| SRM | -0.767 | 0.767 | 0.951 | 271.0 | -462 | -80 | 738 | 658 | 8881 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2009-07-23 | SRM 445 | 2 | 757 | 811.13 | 0.10 | 41 | 1563 | 8110 | -80 | 658 | 8881 |
| 1 | 2009-07-08 | SRM 444 | 2 | 840 | 676.88 | -0.40 | -95 | 1522 | 9228 | -462 | 738 | 8196 |