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 |
|---|---|---|---|
| Serafim | 2 | 1973 | 1054 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.231 | 0.420 | 0.479 | 90.6 | -32 | 149 | 1349 | 1317 | 7210 |
| initial | 0.422 | 0.422 | 0.521 | 50.8 | 14 | 88 | 1302 | 1302 | 7396 |
| SRM | -0.443 | 0.443 | 0.479 | 73.0 | -102 | -44 | 1156 | 1054 | 5588 |
| EloSRM | 0.252 | 0.541 | 0.596 | 132.2 | -20 | 245 | 1992 | 1973 | 6959 |
| Odd | 0.302 | 0.550 | 0.628 | 137.9 | -9 | 267 | 1813 | 1804 | 7026 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2012-02-18 | SRM 533 | 2 | 696 | 569.68 | -0.29 | -20 | 1973 | 6959 | -102 | 1054 | 5588 |
| 1 | 2012-02-09 | SRM 532 | 2 | 477 | 826.16 | 0.79 | 245 | 1992 | 6675 | -44 | 1156 | 4497 |