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 |
|---|---|---|---|
| Vitalii.Boiko | 2 | 1911 | 619 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | -0.343 | 0.343 | 0.356 | 74.8 | -88 | -61 | 1972 | 1911 | 4444 |
| Odd | -0.344 | 0.344 | 0.347 | 60.1 | -67 | -53 | 1676 | 1623 | 4448 |
| SRMFix | -0.419 | 0.419 | 0.420 | 84.9 | -104 | -65 | 1096 | 1030 | 4395 |
| initial | -0.464 | 0.464 | 0.465 | 55.9 | -59 | -53 | 1147 | 1088 | 4384 |
| SRM | -0.824 | 0.824 | 0.857 | 290.5 | -366 | -215 | 834 | 619 | 4261 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2021-02-13 | SRM 800 | 2 | 361 | 331.30 | -0.25 | -61 | 1911 | 4444 | -215 | 619 | 4261 |
| 1 | 2018-04-14 | SRM 733 | 2 | 150 | 130.58 | -0.44 | -88 | 1972 | 3749 | -366 | 834 | 3604 |