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 |
|---|---|---|---|
| johnadair | 2 | 1597 | 1021 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.245 | 0.245 | 0.309 | 42.8 | 14 | 72 | 1286 | 1286 | 2242 |
| initial | 0.299 | 0.299 | 0.357 | 36.0 | 12 | 60 | 1272 | 1272 | 2261 |
| EloSRM | 0.318 | 0.318 | 0.334 | 97.4 | 95 | 100 | 1597 | 1597 | 2170 |
| SRM | -0.425 | 0.425 | 0.534 | 89.5 | -149 | -30 | 1051 | 1021 | 2015 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2005-05-17 | SRM 243 | 2 | 94 | 125.73 | 0.42 | 100 | 1597 | 2170 | -30 | 1021 | 2015 |
| 1 | 2005-04-18 | SRM 239 | 2 | 141 | 163.84 | 0.22 | 95 | 1497 | 2479 | -149 | 1051 | 1885 |