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 |
|---|---|---|---|
| SR421 | 4 | 2415 | 1120 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.357 | 0.776 | 0.946 | 68.5 | -120 | 68 | 1177 | 1120 | 2608 |
| SRMFix | 0.426 | 0.895 | 0.964 | 124.8 | -104 | 169 | 1595 | 1491 | 2474 |
| Odd | 0.390 | 0.949 | 0.987 | 156.7 | -62 | 217 | 2203 | 2141 | 2272 |
| initial | 0.588 | 0.958 | 1.051 | 115.3 | -89 | 179 | 1572 | 1483 | 2382 |
| EloSRM | 0.405 | 0.991 | 1.045 | 168.7 | -77 | 237 | 2492 | 2415 | 2254 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2017-11-28 | SRM 724 | 2 | 123 | 54.54 | -1.17 | -77 | 2415 | 2254 | -57 | 1120 | 2608 |
| 3 | 2017-11-18 | SRM 723 | 2 | 44 | 105.25 | 1.26 | 204 | 2492 | 1973 | 68 | 1177 | 2357 |
| 2 | 2015-10-14 | SRM 671 | 2 | 178 | 383.65 | 1.11 | 237 | 2287 | 4289 | 29 | 1109 | 4020 |
| 1 | 2014-12-27 | SRM 643 | 2 | 391 | 525.46 | 0.43 | 158 | 2051 | 8001 | -120 | 1080 | 5633 |