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 |
|---|---|---|---|
| sergey78 | 1 | 1686 | 1126 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.394 | 0.394 | 0.394 | 93.0 | 93 | 93 | 1293 | 1293 | 4200 |
| SRM | -0.400 | 0.400 | 0.400 | 74.0 | -74 | -74 | 1126 | 1126 | 2910 |
| initial | 0.450 | 0.450 | 0.450 | 54.2 | 54 | 54 | 1254 | 1254 | 4459 |
| EloSRM | 0.548 | 0.548 | 0.548 | 185.9 | 186 | 186 | 1686 | 1686 | 4145 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2007-03-22 | SRM 343 | 2 | 258 | 377.17 | 0.55 | 186 | 1686 | 4145 | -74 | 1126 | 2910 |