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 |
|---|---|---|---|
| Koshchanka | 1 | 2208 | 1038 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | -0.183 | 0.183 | 0.183 | 22.0 | -22 | -22 | 1178 | 1178 | 2677 |
| Odd | -0.185 | 0.185 | 0.185 | 30.6 | -31 | -31 | 1817 | 1817 | 2693 |
| SRMFix | -0.206 | 0.206 | 0.206 | 49.6 | -50 | -50 | 1150 | 1150 | 2750 |
| EloSRM | -0.217 | 0.217 | 0.217 | 16.9 | -17 | -17 | 2208 | 2208 | 2372 |
| SRM | -0.587 | 0.587 | 0.587 | 162.0 | -162 | -162 | 1038 | 1038 | 1904 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2021-07-16 | Rookie SRM 6 | 1 | 110 | 65.40 | -0.22 | -17 | 2208 | 2372 | -162 | 1038 | 1904 |