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 |
|---|---|---|---|
| xiaogu | 3 | 1706 | 829 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.016 | 0.308 | 0.370 | 37.1 | -50 | 58 | 1258 | 1206 | 7604 |
| SRMFix | -0.070 | 0.358 | 0.410 | 68.1 | -91 | 101 | 1301 | 1198 | 7816 |
| EloSRM | -0.063 | 0.449 | 0.489 | 100.3 | -78 | 211 | 1796 | 1706 | 7080 |
| Odd | -0.044 | 0.453 | 0.494 | 100.1 | -68 | 223 | 1666 | 1589 | 7075 |
| SRM | -0.690 | 0.690 | 0.747 | 120.0 | -189 | -74 | 1092 | 829 | 9207 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2009-01-21 | SRM 433 | 2 | 560 | 495.53 | -0.18 | -12 | 1706 | 7080 | -74 | 829 | 9207 |
| 2 | 2008-12-11 | SRM 429 | 2 | 603 | 455.00 | -0.59 | -78 | 1718 | 6902 | -189 | 903 | 8210 |
| 1 | 2008-11-25 | SRM 427 | 2 | 313 | 467.38 | 0.58 | 211 | 1796 | 5965 | -97 | 1092 | 5470 |