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 |
|---|---|---|---|
| ddpodder | 2 | 1725 | 901 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.022 | 0.229 | 0.230 | 27.6 | -25 | 30 | 1230 | 1205 | 7032 |
| SRMFix | -0.061 | 0.260 | 0.267 | 51.0 | -54 | 48 | 1248 | 1194 | 6935 |
| EloSRM | 0.038 | 0.281 | 0.284 | 79.2 | -32 | 127 | 1757 | 1725 | 7067 |
| Odd | 0.040 | 0.325 | 0.327 | 88.1 | -28 | 149 | 1620 | 1593 | 7006 |
| SRM | -0.747 | 0.747 | 0.750 | 149.5 | -161 | -138 | 1062 | 901 | 5829 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2010-09-25 | SRM 483 | 2 | 745 | 629.47 | -0.24 | -32 | 1725 | 7067 | -161 | 901 | 5829 |
| 1 | 2009-10-17 | SRM 450 | 2 | 534 | 666.32 | 0.32 | 127 | 1757 | 6204 | -138 | 1062 | 4246 |