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 |
|---|---|---|---|
| david.zhou | 7 | 2246 | 970 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.103 | 0.907 | 1.061 | 82.6 | -142 | 103 | 1168 | 970 | 6686 |
| EloSRM | 0.283 | 0.961 | 1.158 | 111.0 | -91 | 282 | 2330 | 2246 | 5851 |
| Odd | 0.289 | 0.962 | 1.159 | 108.5 | -80 | 279 | 2113 | 2036 | 5768 |
| SRMFix | 0.235 | 0.999 | 1.213 | 115.3 | -145 | 302 | 1589 | 1461 | 5919 |
| initial | 0.324 | 1.014 | 1.230 | 122.2 | -144 | 279 | 1665 | 1473 | 5771 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7 | 2015-02-10 | SRM 649 | 2 | 508 | 267.92 | -1.17 | -79 | 2246 | 5851 | -142 | 970 | 6686 |
| 6 | 2014-05-20 | SRM 621 | 2 | 298 | 242.58 | -0.30 | -6 | 2325 | 5101 | -9 | 1112 | 5386 |
| 5 | 2014-05-10 | SRM 620 | 2 | 153 | 438.17 | 1.52 | 137 | 2330 | 5123 | 67 | 1121 | 5370 |
| 4 | 2014-04-10 | SRM 616 | 2 | 349 | 468.90 | 0.43 | 70 | 2193 | 6020 | 4 | 1054 | 5831 |
| 3 | 2014-03-29 | SRM 614 | 2 | 695 | 371.66 | -0.90 | -91 | 2123 | 6738 | -118 | 1050 | 5874 |
| 2 | 2013-07-19 | SRM 585 | 2 | 160 | 700.88 | 2.13 | 282 | 2213 | 5220 | 103 | 1168 | 4450 |
| 1 | 2013-07-10 | SRM 584 | 2 | 502 | 608.80 | 0.28 | 112 | 1931 | 7822 | -135 | 1065 | 5368 |