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 |
|---|---|---|---|
| Quuxplusone | 4 | 2354 | 1217 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.718 | 0.820 | 1.303 | 142.8 | -24 | 480 | 1712 | 1712 | 3964 |
| EloSRM | 0.720 | 0.843 | 1.359 | 174.7 | -36 | 606 | 2354 | 2354 | 3823 |
| SRM | 0.512 | 0.879 | 1.029 | 122.8 | -170 | 199 | 1399 | 1217 | 4050 |
| initial | 0.990 | 1.006 | 1.468 | 121.2 | -4 | 313 | 1677 | 1677 | 4261 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2012-03-17 | SRM 537 | 2 | 184 | 251.79 | 0.45 | 57 | 2354 | 3823 | 55 | 1217 | 4050 |
| 3 | 2012-02-23 | SRM 534 | 1 | 567 | 531.98 | -0.20 | -36 | 2297 | 4092 | -170 | 1162 | 4558 |
| 2 | 2012-01-31 | SRM 531 | 1 | 397 | 562.24 | -0.05 | -1 | 2333 | 3773 | -67 | 1332 | 2812 |
| 1 | 2011-09-19 | SRM 519 | 2 | 98 | 624.95 | 2.67 | 606 | 2334 | 3501 | 199 | 1399 | 2262 |