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 |
|---|---|---|---|
| Tigran | 2 | 2261 | 1500 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 3.437 | 3.647 | 5.011 | 439.1 | -25 | 853 | 2053 | 2028 | 1818 |
| SRM | 2.632 | 3.657 | 4.506 | 443.0 | -293 | 593 | 1793 | 1500 | 1322 |
| EloSRM | 3.454 | 3.748 | 5.097 | 478.5 | -68 | 889 | 2329 | 2261 | 1979 |
| Odd | 3.418 | 3.824 | 5.129 | 497.9 | -82 | 914 | 2266 | 2185 | 1808 |
| SRMFix | 3.115 | 3.934 | 5.017 | 533.1 | -130 | 936 | 2136 | 2006 | 1283 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2008-01-24 | SRM 389 | 1 | 483 | 393.81 | -0.30 | -68 | 2261 | 1979 | -293 | 1500 | 1322 |
| 1 | 2006-01-21 | SRM 284 | 2 | 2 | 294.39 | 7.20 | 889 | 2329 | 664 | 593 | 1793 | 343 |