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 |
|---|---|---|---|
| xf123xy | 2 | 1889 | 931 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.156 | 0.156 | 0.213 | 57.4 | 32 | 83 | 1889 | 1889 | 8380 |
| initial | 0.136 | 0.175 | 0.222 | 21.1 | -5 | 38 | 1233 | 1233 | 8623 |
| SRMFix | 0.098 | 0.201 | 0.224 | 37.8 | -25 | 50 | 1225 | 1225 | 8561 |
| SRM | -0.593 | 0.593 | 0.705 | 134.5 | -220 | -49 | 980 | 931 | 7268 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2012-09-07 | SRM 555 | 2 | 490 | 603.86 | 0.30 | 83 | 1889 | 8380 | -49 | 931 | 7268 |
| 1 | 2012-08-16 | SRM 552 | 2 | 524 | 528.18 | 0.01 | 32 | 1806 | 9027 | -220 | 980 | 6374 |