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 |
|---|---|---|---|
| Samvel | 4 | 2427 | 1355 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 1.537 | 1.587 | 2.158 | 188.5 | -12 | 349 | 1942 | 1930 | 2300 |
| SRM | 1.256 | 1.647 | 2.181 | 115.2 | -137 | 176 | 1371 | 1355 | 2479 |
| EloSRM | 1.657 | 1.657 | 2.172 | 197.9 | 90 | 332 | 2427 | 2427 | 2846 |
| initial | 1.738 | 1.738 | 2.347 | 209.3 | 19 | 464 | 2037 | 2037 | 2672 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2011-09-10 | SRM 517 | 1 | 567 | 680.71 | 0.25 | 90 | 2427 | 2846 | -16 | 1355 | 2479 |
| 3 | 2009-12-17 | Member SRM 455 | 2 | 19 | 219.35 | 3.53 | 231 | 2337 | 2280 | 176 | 1371 | 1940 |
| 2 | 2009-12-05 | SRM 454 | 2 | 99 | 557.77 | 2.49 | 332 | 2106 | 3514 | 132 | 1195 | 3132 |
| 1 | 2009-11-25 | SRM 453.5 | 2 | 449 | 575.32 | 0.36 | 138 | 1774 | 6039 | -137 | 1063 | 4211 |