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 |
|---|---|---|---|
| iamback | 4 | 2018 | 937 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.174 | 0.424 | 0.439 | 65.7 | -67 | 89 | 1347 | 1328 | 7295 |
| SRM | -0.278 | 0.431 | 0.519 | 67.2 | -125 | 3 | 1075 | 937 | 7200 |
| initial | 0.289 | 0.449 | 0.472 | 54.1 | -39 | 81 | 1339 | 1339 | 7209 |
| EloSRM | 0.142 | 0.457 | 0.477 | 97.7 | -60 | 143 | 2029 | 2018 | 7046 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2012-09-07 | SRM 555 | 2 | 377 | 455.22 | 0.27 | 49 | 2018 | 7046 | 3 | 937 | 7200 |
| 3 | 2012-09-01 | SRM 554 | 2 | 760 | 491.31 | -0.63 | -60 | 1969 | 7418 | -112 | 934 | 7143 |
| 2 | 2012-08-16 | SRM 552 | 2 | 301 | 438.11 | 0.54 | 139 | 2029 | 6761 | -29 | 1046 | 5599 |
| 1 | 2012-02-09 | SRM 532 | 2 | 632 | 825.91 | 0.38 | 143 | 1890 | 7668 | -125 | 1075 | 5293 |