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 |
|---|---|---|---|
| CHONP | 3 | 2687 | 1374 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.702 | 1.065 | 1.174 | 183.3 | -188 | 208 | 1408 | 1374 | 2628 |
| SRMFix | 1.206 | 1.362 | 1.700 | 228.5 | -40 | 502 | 1806 | 1806 | 3312 |
| initial | 1.335 | 1.380 | 1.766 | 166.1 | -8 | 333 | 1682 | 1682 | 4210 |
| EloSRM | 1.222 | 1.407 | 1.760 | 295.0 | -48 | 616 | 2687 | 2687 | 2614 |
| Odd | 1.237 | 1.423 | 1.786 | 295.3 | -50 | 634 | 2427 | 2427 | 2737 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2015-04-17 | SRM 656 | 1 | 204 | 444.50 | 1.12 | 220 | 2687 | 2614 | 154 | 1374 | 2628 |
| 2 | 2015-04-11 | 2015 TCO 1A | 1 | 701 | 749.60 | -0.28 | -48 | 2466 | 3986 | -188 | 1220 | 4122 |
| 1 | 2015-02-02 | SRM 648 | 2 | 67 | 472.98 | 2.82 | 616 | 2515 | 3657 | 208 | 1408 | 2489 |