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 |
|---|---|---|---|
| xiaopu | 2 | 1703 | 830 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | -0.166 | 0.170 | 0.237 | 40.2 | -80 | 1 | 1121 | 1121 | 2987 |
| initial | -0.182 | 0.182 | 0.207 | 21.9 | -34 | -10 | 1166 | 1156 | 3002 |
| Odd | 0.130 | 0.267 | 0.297 | 85.0 | -8 | 162 | 1544 | 1544 | 3717 |
| EloSRM | 0.141 | 0.324 | 0.353 | 128.6 | -27 | 230 | 1703 | 1703 | 3738 |
| SRM | -0.743 | 0.743 | 0.838 | 185.0 | -284 | -86 | 916 | 830 | 2999 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2019-01-19 | TCO19 SRM 747 | 2 | 121 | 167.05 | 0.46 | 230 | 1703 | 3738 | -86 | 830 | 2999 |
| 1 | 2007-03-22 | SRM 343 | 2 | 428 | 377.13 | -0.18 | -27 | 1473 | 5672 | -284 | 916 | 4495 |