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 |
|---|---|---|---|
| gfxcoder | 2 | 1987 | 1087 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.703 | 0.703 | 0.849 | 117.2 | 54 | 180 | 1434 | 1434 | 4542 |
| SRM | -0.001 | 0.759 | 0.759 | 92.5 | -149 | 36 | 1087 | 1087 | 4030 |
| initial | 0.789 | 0.789 | 0.938 | 95.0 | 34 | 156 | 1390 | 1390 | 4833 |
| EloSRM | 0.790 | 0.790 | 0.894 | 207.5 | 149 | 266 | 1987 | 1987 | 4256 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2009-08-25 | SRM 447 | 2 | 233 | 537.96 | 1.21 | 266 | 1987 | 4256 | 36 | 1087 | 4030 |
| 1 | 2008-08-26 | SRM 415 | 2 | 287 | 371.80 | 0.37 | 149 | 1721 | 6721 | -149 | 1051 | 6231 |