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 |
|---|---|---|---|
| jiangpeng285 | 4 | 1519 | 353 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | -0.192 | 0.192 | 0.201 | 40.9 | -65 | -22 | 1629 | 1519 | 12519 |
| Odd | -0.210 | 0.210 | 0.216 | 36.6 | -62 | -22 | 1469 | 1358 | 12520 |
| SRMFix | -0.326 | 0.326 | 0.335 | 56.0 | -89 | -31 | 1111 | 976 | 12439 |
| initial | -0.351 | 0.351 | 0.358 | 42.2 | -57 | -35 | 1160 | 1031 | 12405 |
| SRM | -0.663 | 0.663 | 0.733 | 211.8 | -329 | -98 | 871 | 353 | 12475 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2013-04-26 | SRM 577 | 2 | 878 | 838.40 | -0.14 | -24 | 1519 | 12519 | -113 | 353 | 12475 |
| 3 | 2013-03-25 | SRM 574 | 2 | 941 | 968.44 | -0.12 | -22 | 1542 | 13154 | -98 | 466 | 12848 |
| 2 | 2013-03-14 | SRM 573 | 2 | 757 | 659.42 | -0.23 | -65 | 1564 | 13207 | -307 | 564 | 12328 |
| 1 | 2010-10-26 | SRM 486 | 2 | 768 | 771.92 | -0.27 | -53 | 1629 | 8260 | -329 | 871 | 6226 |