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 |
|---|---|---|---|
| zhigu | 2 | 2590 | 1193 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.400 | 0.781 | 0.878 | 174.5 | -178 | 171 | 1371 | 1193 | 1715 |
| initial | 0.923 | 0.951 | 1.325 | 114.5 | -3 | 226 | 1426 | 1422 | 1801 |
| EloSRM | 0.868 | 0.985 | 1.313 | 213.1 | -21 | 406 | 2611 | 2590 | 1470 |
| SRMFix | 0.879 | 0.985 | 1.321 | 196.8 | -18 | 375 | 1575 | 1557 | 1585 |
| Odd | 0.906 | 1.022 | 1.366 | 224.2 | -19 | 430 | 2265 | 2246 | 1525 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2021-03-19 | SRM 802 | 1 | 118 | 119.44 | -0.12 | -21 | 2590 | 1470 | -178 | 1193 | 1715 |
| 1 | 2021-02-24 | SRM 801 | 2 | 34 | 122.85 | 1.85 | 405 | 2611 | 1397 | 171 | 1371 | 1037 |