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 |
|---|---|---|---|
| groovyandgrails | 4 | 2225 | 1107 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.680 | 0.706 | 0.911 | 115.6 | 10 | 293 | 2225 | 2225 | 5010 |
| Odd | 0.701 | 0.718 | 0.925 | 120.8 | 27 | 292 | 2039 | 2039 | 5112 |
| SRM | 0.428 | 0.723 | 0.766 | 80.8 | -208 | 63 | 1107 | 1107 | 5055 |
| SRMFix | 0.691 | 0.749 | 0.917 | 103.7 | -28 | 226 | 1559 | 1559 | 5036 |
| initial | 0.787 | 0.827 | 0.989 | 99.6 | -10 | 188 | 1579 | 1579 | 4932 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2012-09-13 | SRM 556 | 2 | 141 | 244.42 | 0.79 | 88 | 2225 | 5010 | 46 | 1107 | 5055 |
| 3 | 2012-09-01 | SRM 554 | 2 | 344 | 448.90 | 0.38 | 70 | 2137 | 5792 | 6 | 1061 | 5514 |
| 2 | 2012-07-09 | SRM 549 | 2 | 161 | 485.72 | 1.59 | 293 | 2066 | 6386 | 63 | 1055 | 5515 |
| 1 | 2012-05-29 | SRM 544 | 2 | 263 | 435.39 | -0.05 | 10 | 1773 | 9485 | -208 | 992 | 6321 |