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 |
|---|---|---|---|
| mathphreak | 2 | 1738 | 904 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.037 | 0.366 | 0.368 | 44.1 | -40 | 49 | 1249 | 1209 | 6968 |
| SRMFix | -0.074 | 0.427 | 0.433 | 83.0 | -82 | 84 | 1284 | 1201 | 6859 |
| EloSRM | 0.014 | 0.468 | 0.468 | 121.1 | -70 | 172 | 1808 | 1738 | 6959 |
| Odd | 0.026 | 0.506 | 0.507 | 125.6 | -61 | 190 | 1665 | 1605 | 6896 |
| SRM | -0.763 | 0.763 | 0.787 | 148.0 | -188 | -108 | 1092 | 904 | 5802 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2010-09-25 | SRM 483 | 2 | 784 | 572.59 | -0.45 | -70 | 1738 | 6959 | -188 | 904 | 5802 |
| 1 | 2009-11-25 | SRM 453.5 | 2 | 412 | 575.30 | 0.48 | 172 | 1808 | 5769 | -108 | 1092 | 3977 |