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 |
|---|---|---|---|
| piyushcsiitd | 4 | 1521 | 382 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | -0.172 | 0.241 | 0.288 | 54.8 | -86 | 57 | 1596 | 1521 | 5650 |
| Odd | -0.179 | 0.248 | 0.281 | 52.4 | -70 | 60 | 1458 | 1379 | 5648 |
| initial | -0.322 | 0.325 | 0.376 | 39.2 | -57 | 1 | 1147 | 1045 | 5571 |
| SRMFix | -0.291 | 0.326 | 0.364 | 55.6 | -116 | 12 | 1097 | 1002 | 5569 |
| SRM | -0.625 | 0.625 | 0.781 | 204.5 | -433 | -72 | 767 | 382 | 5601 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2017-10-12 | SRM 722 | 2 | 177 | 181.87 | -0.04 | -10 | 1521 | 5650 | -115 | 382 | 5601 |
| 3 | 2010-03-02 | SRM 463 | 2 | 856 | 649.94 | -0.42 | -65 | 1531 | 8877 | -198 | 497 | 9341 |
| 2 | 2010-01-04 | SRM 457 | 2 | 478 | 526.23 | 0.14 | 57 | 1596 | 7513 | -72 | 695 | 7816 |
| 1 | 2009-09-10 | SRM 448 | 2 | 889 | 687.41 | -0.37 | -86 | 1539 | 8829 | -433 | 767 | 7878 |