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 |
|---|---|---|---|
| AC521 | 4 | 2173 | 1053 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.043 | 0.610 | 0.778 | 73.8 | -112 | 70 | 1204 | 1053 | 5632 |
| initial | 0.598 | 0.739 | 0.972 | 89.0 | -34 | 193 | 1488 | 1488 | 5649 |
| SRMFix | 0.431 | 0.788 | 0.942 | 116.5 | -91 | 220 | 1477 | 1477 | 5768 |
| EloSRM | 0.435 | 0.820 | 0.966 | 151.9 | -81 | 342 | 2173 | 2173 | 5487 |
| # | 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 | 134 | 348.19 | 1.38 | 180 | 2173 | 5487 | 70 | 1053 | 5632 |
| 3 | 2012-07-09 | SRM 549 | 2 | 454 | 272.02 | -0.74 | -81 | 1992 | 7107 | -109 | 983 | 6394 |
| 2 | 2011-11-29 | SRM 525 | 1 | 604 | 677.56 | -0.03 | -4 | 2074 | 5680 | -112 | 1092 | 5020 |
| 1 | 2011-11-17 | SRM 524 | 2 | 280 | 614.16 | 1.13 | 342 | 2078 | 5598 | 4 | 1204 | 3917 |