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 |
|---|---|---|---|
| 21p | 3 | 2548 | 1298 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.165 | 0.350 | 0.387 | 74.7 | -63 | 132 | 1361 | 1298 | 3210 |
| SRMFix | 0.702 | 0.721 | 0.875 | 135.8 | -4 | 252 | 1603 | 1599 | 4582 |
| initial | 0.758 | 0.758 | 0.923 | 91.3 | 3 | 148 | 1474 | 1474 | 5550 |
| EloSRM | 0.705 | 0.786 | 0.926 | 225.1 | -13 | 368 | 2561 | 2548 | 3389 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2015-04-17 | SRM 656 | 1 | 304 | 376.84 | -0.12 | -13 | 2548 | 3389 | -63 | 1298 | 3210 |
| 2 | 2015-03-25 | SRM 654 | 1 | 168 | 324.70 | 0.95 | 295 | 2561 | 3336 | 132 | 1361 | 2746 |
| 1 | 2015-02-02 | SRM 648 | 2 | 194 | 473.01 | 1.29 | 368 | 2266 | 5726 | 29 | 1229 | 4097 |