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 |
|---|---|---|---|
| Callagher | 2 | 2098 | 1014 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.199 | 0.199 | 0.200 | 40.1 | 38 | 42 | 1280 | 1280 | 5395 |
| EloSRM | 0.205 | 0.205 | 0.211 | 77.8 | 52 | 104 | 2098 | 2098 | 5320 |
| Odd | 0.225 | 0.225 | 0.236 | 89.7 | 58 | 122 | 1848 | 1848 | 5384 |
| initial | 0.281 | 0.281 | 0.284 | 33.8 | 29 | 39 | 1268 | 1268 | 5494 |
| SRM | -0.427 | 0.427 | 0.476 | 93.0 | -130 | -56 | 1070 | 1014 | 4514 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2016-01-20 | SRM 679 | 2 | 280 | 312.17 | 0.16 | 52 | 2098 | 5320 | -56 | 1014 | 4514 |
| 1 | 2015-12-18 | SRM 676 | 2 | 304 | 362.38 | 0.25 | 104 | 2046 | 5613 | -130 | 1070 | 4045 |