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 |
|---|---|---|---|
| wangyongfeng5 | 4 | 1856 | 793 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.076 | 0.322 | 0.434 | 38.8 | -33 | 96 | 1263 | 1237 | 8073 |
| SRMFix | 0.055 | 0.364 | 0.467 | 61.7 | -79 | 133 | 1254 | 1218 | 8148 |
| Odd | 0.079 | 0.365 | 0.480 | 58.3 | -20 | 188 | 1712 | 1692 | 7886 |
| EloSRM | 0.056 | 0.381 | 0.481 | 63.2 | -38 | 189 | 1881 | 1856 | 7838 |
| SRM | -0.346 | 0.546 | 0.690 | 115.8 | -326 | 28 | 902 | 793 | 8791 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2011-11-29 | SRM 525 | 2 | 785 | 628.36 | -0.32 | -24 | 1856 | 7838 | -62 | 793 | 8791 |
| 3 | 2011-11-12 | SRM 523 | 2 | 660 | 603.87 | -0.13 | -1 | 1880 | 7513 | -47 | 855 | 7812 |
| 2 | 2011-10-13 | SRM 521 | 2 | 461 | 845.31 | 0.88 | 189 | 1881 | 7384 | 28 | 902 | 7119 |
| 1 | 2011-10-04 | SRM 520 | 2 | 943 | 820.18 | -0.20 | -38 | 1691 | 9477 | -326 | 874 | 7477 |