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 |
|---|---|---|---|
| jzuff | 2 | 1716 | 816 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | -0.133 | 0.356 | 0.379 | 42.8 | -59 | 27 | 1227 | 1168 | 7858 |
| SRMFix | -0.199 | 0.363 | 0.414 | 65.8 | -92 | 40 | 1240 | 1148 | 7623 |
| EloSRM | -0.144 | 0.440 | 0.463 | 99.8 | -81 | 119 | 1797 | 1716 | 7245 |
| SRM | -0.880 | 0.880 | 0.898 | 192.0 | -243 | -141 | 1059 | 816 | 6805 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2010-10-05 | SRM 484 | 2 | 585 | 424.59 | -0.58 | -81 | 1716 | 7245 | -243 | 816 | 6805 |
| 1 | 2010-09-25 | SRM 483 | 2 | 583 | 715.51 | 0.30 | 119 | 1797 | 6414 | -141 | 1059 | 4274 |