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 |
|---|---|---|---|
| cdoug | 4 | 2140 | 823 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | -0.001 | 0.405 | 0.440 | 48.8 | -58 | 77 | 1257 | 1199 | 2690 |
| SRMFix | -0.016 | 0.406 | 0.446 | 58.8 | -58 | 85 | 1261 | 1203 | 2639 |
| EloSRM | 0.060 | 0.426 | 0.490 | 76.6 | -42 | 145 | 2181 | 2140 | 2601 |
| SRM | -0.334 | 0.623 | 0.624 | 95.8 | -159 | 3 | 1070 | 823 | 3470 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2019-07-17 | SRM 763 | 2 | 70 | 63.54 | -0.50 | -42 | 2140 | 2601 | -91 | 823 | 3470 |
| 3 | 2019-07-03 | SRM 762 | 2 | 98 | 169.22 | 0.79 | 145 | 2181 | 2476 | 3 | 914 | 2909 |
| 2 | 2019-06-22 | TCO19 SRM 761 | 2 | 79 | 92.63 | -0.23 | -36 | 2036 | 3508 | -159 | 911 | 3159 |
| 1 | 2016-11-14 | SRM 702 | 2 | 137 | 155.62 | 0.18 | 83 | 2072 | 4894 | -130 | 1070 | 3737 |