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 |
|---|---|---|---|
| raktunc | 3 | 1881 | 1003 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.104 | 0.428 | 0.490 | 80.4 | -65 | 156 | 1376 | 1310 | 5669 |
| SRM | -0.431 | 0.431 | 0.507 | 65.7 | -99 | -32 | 1168 | 1003 | 4811 |
| EloSRM | 0.083 | 0.471 | 0.576 | 108.0 | -45 | 252 | 1925 | 1881 | 5353 |
| initial | 0.304 | 0.479 | 0.520 | 57.6 | -31 | 90 | 1341 | 1310 | 5639 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2010-02-17 | SRM 462 | 2 | 426 | 284.61 | -0.58 | -45 | 1881 | 5353 | -99 | 1003 | 4811 |
| 2 | 2010-02-13 | Member SRM 461 | 2 | 447 | 453.47 | 0.02 | 28 | 1925 | 4949 | -66 | 1102 | 3931 |
| 1 | 2010-02-06 | SRM 460 | 2 | 418 | 732.84 | 0.81 | 252 | 1898 | 5163 | -32 | 1168 | 3421 |