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 |
|---|---|---|---|
| sourav71 | 4 | 1779 | 627 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | -0.171 | 0.354 | 0.397 | 42.6 | -71 | 44 | 1234 | 1118 | 12247 |
| Odd | -0.187 | 0.376 | 0.445 | 60.7 | -65 | 88 | 1705 | 1595 | 10168 |
| EloSRM | -0.200 | 0.377 | 0.445 | 56.7 | -71 | 88 | 1898 | 1779 | 10213 |
| SRMFix | -0.200 | 0.382 | 0.419 | 56.3 | -84 | 61 | 1226 | 1097 | 11355 |
| SRM | -0.640 | 0.640 | 0.721 | 143.2 | -221 | -49 | 979 | 627 | 11689 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2013-03-25 | SRM 574 | 2 | 941 | 785.22 | -0.43 | -48 | 1779 | 10213 | -115 | 627 | 11689 |
| 3 | 2013-01-12 | SRM 566 | 2 | 993 | 668.60 | -0.70 | -71 | 1827 | 9035 | -188 | 742 | 10086 |
| 2 | 2012-12-20 | SRM 565 | 2 | 522 | 668.01 | 0.35 | 88 | 1898 | 8201 | -49 | 930 | 7201 |
| 1 | 2012-12-12 | SRM 564 | 2 | 583 | 570.48 | -0.03 | 20 | 1809 | 9159 | -221 | 979 | 6477 |