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 |
|---|---|---|---|
| Prime541 | 1 | 2253 | 1221 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.145 | 0.145 | 0.145 | 21.0 | 21 | 21 | 1221 | 1221 | 4045 |
| SRMFix | 1.098 | 1.098 | 1.098 | 239.3 | 239 | 239 | 1439 | 1439 | 5905 |
| initial | 1.160 | 1.160 | 1.160 | 139.7 | 140 | 140 | 1340 | 1340 | 6837 |
| EloSRM | 1.213 | 1.213 | 1.213 | 344.0 | 344 | 344 | 2253 | 2253 | 5667 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2015-04-17 | SRM 656 | 2 | 175 | 405.66 | 1.21 | 344 | 2253 | 5667 | 21 | 1221 | 4045 |