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 |
|---|---|---|---|
| numberfreak | 6 | 2673 | 1236 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.585 | 0.585 | 0.820 | 78.6 | 13 | 166 | 2673 | 2673 | 1171 |
| Odd | 0.600 | 0.600 | 0.834 | 74.4 | 8 | 190 | 2279 | 2279 | 1307 |
| SRMFix | 0.631 | 0.632 | 0.864 | 80.8 | 0 | 181 | 1684 | 1684 | 1176 |
| SRM | 0.618 | 0.693 | 1.046 | 35.3 | -45 | 68 | 1236 | 1236 | 1356 |
| initial | 0.714 | 0.714 | 0.943 | 86.0 | 3 | 232 | 1716 | 1716 | 1088 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6 | 2021-06-09 | SRM 807 | 1 | 57 | 27.18 | 0.96 | 65 | 2673 | 1171 | 56 | 1236 | 1356 |
| 5 | 2021-05-22 | TCO21 Round 2A | 1 | 302 | 308.47 | 0.03 | 13 | 2608 | 1302 | -18 | 1180 | 1519 |
| 4 | 2021-05-08 | SRM 805 | 2 | 18 | 56.79 | 1.66 | 137 | 2595 | 1390 | 68 | 1198 | 1550 |
| 3 | 2021-04-28 | 2021 TCO 1B | 1 | 137 | 141.75 | 0.05 | 26 | 2458 | 1777 | -45 | 1130 | 1782 |
| 2 | 2021-02-13 | SRM 800 | 2 | 133 | 160.73 | 0.27 | 64 | 2432 | 1941 | -4 | 1175 | 1766 |
| 1 | 2021-01-23 | SRM 798 | 2 | 85 | 124.06 | 0.55 | 166 | 2368 | 2060 | -21 | 1179 | 1701 |