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 |
|---|---|---|---|
| Mosky | 4 | 2195 | 1001 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.210 | 0.315 | 0.381 | 81.3 | -13 | 224 | 2195 | 2195 | 5152 |
| SRMFix | 0.253 | 0.321 | 0.361 | 57.5 | -23 | 130 | 1383 | 1383 | 5241 |
| SRM | -0.195 | 0.356 | 0.428 | 49.8 | -117 | -3 | 1136 | 1001 | 5074 |
| initial | 0.391 | 0.391 | 0.442 | 47.1 | 11 | 75 | 1388 | 1388 | 5105 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2015-08-01 | SRM 664 | 2 | 238 | 258.58 | 0.12 | 38 | 2195 | 5152 | -3 | 1001 | 5074 |
| 3 | 2015-01-24 | SRM 647 | 2 | 300 | 357.13 | 0.25 | 50 | 2157 | 6824 | -15 | 1004 | 6391 |
| 2 | 2015-01-15 | SRM 646 | 2 | 252 | 217.81 | -0.21 | -13 | 2107 | 7338 | -117 | 1019 | 6232 |
| 1 | 2015-01-12 | SRM 645 | 2 | 323 | 516.75 | 0.68 | 224 | 2120 | 7163 | -64 | 1136 | 5025 |