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 |
|---|---|---|---|
| Harpio | 2 | 2154 | 1156 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.197 | 0.616 | 0.647 | 137.0 | -159 | 115 | 1315 | 1156 | 4304 |
| SRMFix | 0.837 | 0.894 | 1.224 | 181.4 | -10 | 353 | 1553 | 1543 | 4696 |
| initial | 0.904 | 0.904 | 1.269 | 108.8 | 2 | 216 | 1418 | 1418 | 5716 |
| EloSRM | 0.902 | 0.961 | 1.318 | 239.9 | -12 | 467 | 2167 | 2154 | 4773 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2011-09-19 | SRM 519 | 1 | 482 | 511.53 | -0.06 | -12 | 2154 | 4773 | -159 | 1156 | 4304 |
| 1 | 2011-02-26 | SRM 498 | 2 | 214 | 778.34 | 1.86 | 467 | 2167 | 3970 | 115 | 1315 | 2507 |