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 |
|---|---|---|---|
| JGeeks | 2 | 1657 | 846 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | -0.093 | 0.175 | 0.199 | 32.8 | -45 | 20 | 1220 | 1175 | 8083 |
| initial | -0.028 | 0.176 | 0.178 | 21.1 | -25 | 18 | 1218 | 1193 | 8142 |
| EloSRM | -0.018 | 0.255 | 0.256 | 71.7 | -37 | 106 | 1695 | 1657 | 7567 |
| Odd | 0.009 | 0.268 | 0.268 | 75.8 | -29 | 123 | 1568 | 1539 | 7594 |
| SRM | -0.911 | 0.911 | 0.912 | 177.0 | -190 | -164 | 1010 | 846 | 9002 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2009-01-06 | SRM 432 | 2 | 480 | 397.23 | -0.27 | -37 | 1657 | 7567 | -164 | 846 | 9002 |
| 1 | 2008-12-20 | SRM 430 | 2 | 483 | 569.30 | 0.24 | 106 | 1695 | 7204 | -190 | 1010 | 6412 |