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 |
|---|---|---|---|
| LucyMagic | 4 | 2183 | 936 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.420 | 0.476 | 0.828 | 53.5 | -11 | 169 | 1375 | 1375 | 6152 |
| initial | 0.454 | 0.488 | 0.842 | 58.8 | -8 | 202 | 1419 | 1419 | 5696 |
| EloSRM | 0.447 | 0.490 | 0.819 | 82.9 | -12 | 202 | 2183 | 2183 | 5964 |
| Odd | 0.447 | 0.494 | 0.800 | 85.6 | -12 | 188 | 1946 | 1946 | 6101 |
| SRM | -0.039 | 0.760 | 0.896 | 110.5 | -203 | 89 | 997 | 936 | 6426 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2015-04-27 | SRM 657 | 2 | 67 | 206.58 | 1.62 | 202 | 2183 | 5964 | 89 | 936 | 6426 |
| 3 | 2015-04-25 | 2015 TCO 1B | 1 | 592 | 701.88 | -0.09 | -12 | 1982 | 7908 | -73 | 847 | 7623 |
| 2 | 2015-01-12 | SRM 645 | 2 | 437 | 489.18 | 0.16 | 61 | 1994 | 8478 | -77 | 920 | 7325 |
| 1 | 2014-08-30 | SRM 631 | 2 | 694 | 736.63 | 0.09 | 56 | 1933 | 9451 | -203 | 997 | 6699 |