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 |
|---|---|---|---|
| prtks_22 | 1 | 2415 | 1281 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.306 | 0.306 | 0.306 | 81.0 | 81 | 81 | 1281 | 1281 | 1322 |
| EloSRM | 0.652 | 0.652 | 0.652 | 206.2 | 206 | 206 | 2415 | 2415 | 1988 |
| SRMFix | 0.665 | 0.665 | 0.665 | 151.9 | 152 | 152 | 1352 | 1352 | 2210 |
| initial | 0.670 | 0.670 | 0.670 | 80.6 | 81 | 81 | 1281 | 1281 | 2335 |
| Odd | 0.680 | 0.680 | 0.680 | 209.2 | 209 | 209 | 2046 | 2046 | 2126 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2021-03-17 | 2021 HF Prelim | 1 | 129 | 202.67 | 0.65 | 206 | 2415 | 1988 | 81 | 1281 | 1322 |