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 |
|---|---|---|---|
| cgchen | 6 | 1845 | 809 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.188 | 0.487 | 0.589 | 45.5 | -84 | 72 | 911 | 809 | 6945 |
| SRMFix | 0.089 | 0.499 | 0.632 | 64.8 | -88 | 133 | 1412 | 1304 | 5593 |
| initial | 0.149 | 0.502 | 0.642 | 60.5 | -100 | 136 | 1422 | 1308 | 5502 |
| EloSRM | 0.073 | 0.505 | 0.643 | 68.6 | -70 | 155 | 1931 | 1845 | 5417 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6 | 2009-12-05 | SRM 454 | 2 | 575 | 468.87 | -0.29 | -15 | 1845 | 5417 | -18 | 809 | 6945 |
| 5 | 2009-11-25 | SRM 453.5 | 2 | 607 | 322.12 | -0.91 | -70 | 1861 | 5312 | -84 | 827 | 7026 |
| 4 | 2009-07-23 | SRM 445 | 2 | 408 | 403.72 | -0.02 | 15 | 1931 | 4668 | 9 | 911 | 5985 |
| 3 | 2009-07-08 | SRM 444 | 2 | 260 | 530.64 | 1.03 | 154 | 1915 | 4806 | 72 | 902 | 6122 |
| 2 | 2009-05-12 | SRM 440 | 2 | 404 | 658.02 | 0.70 | 155 | 1762 | 6189 | 15 | 830 | 8289 |
| 1 | 2009-04-19 | SRM 438 | 2 | 320 | 497.89 | -0.07 | 2 | 1607 | 7787 | -75 | 815 | 9182 |