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 |
|---|---|---|---|
| twenty1 | 3 | 2559 | 1247 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.177 | 0.336 | 0.344 | 60.3 | -67 | 64 | 1314 | 1247 | 1369 |
| EloSRM | 0.494 | 0.524 | 0.641 | 121.2 | -2 | 248 | 2561 | 2559 | 1482 |
| SRMFix | 0.536 | 0.554 | 0.679 | 108.5 | -4 | 214 | 1522 | 1518 | 1599 |
| initial | 0.620 | 0.620 | 0.755 | 74.6 | 1 | 116 | 1424 | 1424 | 1717 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2021-02-06 | SRM 799 | 1 | 132 | 155.62 | -0.04 | -2 | 2559 | 1482 | -67 | 1247 | 1369 |
| 2 | 2021-01-15 | Beginner SRM 2 | 1 | 63 | 61.48 | 0.58 | 114 | 2561 | 1473 | 50 | 1314 | 1155 |
| 1 | 2021-01-09 | SRM 797 | 2 | 69 | 132.61 | 0.94 | 248 | 2447 | 1810 | 64 | 1264 | 1338 |