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 |
|---|---|---|---|
| yuhuafx | 6 | 1786 | 793 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.154 | 0.262 | 0.359 | 31.6 | -34 | 71 | 1311 | 1311 | 5614 |
| EloSRM | 0.139 | 0.263 | 0.342 | 48.8 | -38 | 108 | 1786 | 1786 | 5877 |
| Odd | 0.127 | 0.279 | 0.344 | 49.5 | -30 | 105 | 1670 | 1670 | 5822 |
| SRMFix | 0.151 | 0.280 | 0.366 | 38.6 | -49 | 80 | 1286 | 1286 | 5933 |
| SRM | -0.127 | 0.502 | 0.591 | 80.5 | -237 | 26 | 963 | 793 | 7950 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6 | 2009-05-27 | SRM 441 | 2 | 521 | 484.73 | -0.10 | 6 | 1786 | 5877 | -29 | 793 | 7950 |
| 5 | 2008-11-22 | SRM 426 | 2 | 448 | 461.61 | 0.04 | 19 | 1780 | 6094 | -11 | 822 | 9007 |
| 4 | 2008-08-26 | SRM 415 | 2 | 222 | 318.48 | 0.52 | 76 | 1761 | 6268 | 26 | 833 | 9320 |
| 3 | 2008-08-16 | SRM 414 | 2 | 375 | 563.46 | 0.59 | 108 | 1684 | 7140 | 12 | 807 | 9652 |
| 2 | 2008-08-06 | SRM 413 | 2 | 512 | 497.86 | -0.27 | -38 | 1577 | 8465 | -168 | 795 | 9767 |
| 1 | 2008-07-31 | SRM 412 | 2 | 566 | 588.09 | 0.06 | 46 | 1614 | 7686 | -237 | 963 | 7712 |