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 |
|---|---|---|---|
| zhaoxiaolong | 6 | 1748 | 680 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | -0.030 | 0.213 | 0.231 | 25.6 | -41 | 39 | 1212 | 1179 | 8237 |
| Odd | -0.050 | 0.219 | 0.245 | 33.6 | -28 | 72 | 1601 | 1601 | 7761 |
| SRMFix | -0.045 | 0.227 | 0.239 | 31.6 | -45 | 40 | 1195 | 1151 | 8180 |
| EloSRM | -0.050 | 0.228 | 0.248 | 33.0 | -31 | 68 | 1748 | 1748 | 7787 |
| SRM | -0.355 | 0.453 | 0.543 | 91.3 | -265 | 14 | 935 | 680 | 9203 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6 | 2011-04-07 | SRM 502 | 2 | 404 | 496.70 | 0.30 | 62 | 1748 | 7787 | 14 | 680 | 9203 |
| 5 | 2010-09-09 | SRM 481 | 2 | 645 | 603.26 | -0.37 | -31 | 1686 | 7392 | -73 | 666 | 8444 |
| 4 | 2010-08-04 | Member SRM 478 | 2 | 682 | 600.28 | -0.18 | -11 | 1717 | 6949 | -53 | 739 | 7665 |
| 3 | 2010-07-28 | SRM 477 | 2 | 700 | 600.92 | -0.22 | -16 | 1727 | 6745 | -81 | 792 | 6916 |
| 2 | 2010-07-17 | SRM 476 | 2 | 605 | 711.88 | 0.24 | 68 | 1744 | 6601 | -62 | 873 | 5973 |
| 1 | 2010-07-06 | SRM 475 | 2 | 572 | 550.66 | -0.06 | 9 | 1676 | 7195 | -265 | 935 | 5342 |