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 |
|---|---|---|---|
| geoffreynham | 7 | 2452 | 1329 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | 0.976 | 1.100 | 1.971 | 110.3 | -6 | 300 | 2281 | 2281 | 3005 |
| EloSRM | 0.972 | 1.105 | 1.978 | 108.6 | -9 | 308 | 2452 | 2452 | 3006 |
| SRM | 0.761 | 1.132 | 1.962 | 83.0 | -105 | 216 | 1329 | 1329 | 2856 |
| SRMFix | 0.931 | 1.139 | 2.027 | 102.8 | -61 | 391 | 1773 | 1773 | 3424 |
| initial | 0.873 | 1.310 | 2.140 | 157.7 | -184 | 634 | 1982 | 1936 | 3174 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7 | 2012-02-09 | SRM 532 | 1 | 302 | 633.24 | 1.07 | 129 | 2452 | 3006 | 124 | 1329 | 2856 |
| 6 | 2012-01-19 | SRM 530 | 2 | 169 | 128.12 | -0.40 | -9 | 2323 | 3823 | 14 | 1205 | 3995 |
| 5 | 2012-01-14 | SRM 529 | 1 | 636 | 694.07 | 0.13 | 31 | 2331 | 3750 | -28 | 1191 | 4089 |
| 4 | 2011-12-17 | SRM 527 | 2 | 15 | 498.29 | 5.05 | 308 | 2300 | 3888 | 216 | 1219 | 3813 |
| 3 | 2011-11-17 | SRM 524 | 2 | 331 | 487.46 | 0.56 | 104 | 1992 | 6426 | 1 | 1003 | 5928 |
| 2 | 2011-10-25 | SRM 522 | 2 | 467 | 446.47 | -0.06 | 11 | 1888 | 7354 | -93 | 1002 | 5918 |
| 1 | 2011-05-11 | SRM 506 | 2 | 389 | 535.31 | 0.46 | 167 | 1877 | 6664 | -105 | 1095 | 4547 |