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 |
|---|---|---|---|
| tommyxu1981 | 4 | 2391 | 1244 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.283 | 0.672 | 0.841 | 125.5 | -157 | 196 | 1396 | 1244 | 3960 |
| SRMFix | 0.714 | 0.831 | 1.270 | 146.2 | -19 | 466 | 1732 | 1717 | 4121 |
| initial | 0.831 | 0.831 | 1.314 | 100.1 | 2 | 302 | 1600 | 1600 | 4985 |
| EloSRM | 0.736 | 0.865 | 1.330 | 188.0 | -24 | 567 | 2415 | 2390 | 4074 |
| Odd | 0.746 | 0.884 | 1.358 | 189.8 | -23 | 589 | 2236 | 2213 | 3981 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2013-03-25 | SRM 574 | 1 | 602 | 624.78 | -0.13 | -24 | 2390 | 4074 | -72 | 1244 | 3960 |
| 3 | 2011-11-29 | SRM 525 | 1 | 441 | 678.93 | 0.62 | 137 | 2415 | 3126 | 77 | 1316 | 2917 |
| 2 | 2011-11-17 | SRM 524 | 1 | 545 | 565.54 | -0.13 | -24 | 2278 | 3970 | -157 | 1239 | 3569 |
| 1 | 2011-11-12 | SRM 523 | 2 | 129 | 771.63 | 2.58 | 567 | 2302 | 3788 | 196 | 1396 | 2311 |