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 |
|---|---|---|---|
| rchild | 4 | 1631 | 575 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | -0.200 | 0.518 | 0.525 | 62.4 | -66 | 77 | 1277 | 1104 | 9351 |
| SRMFix | -0.290 | 0.582 | 0.597 | 95.3 | -127 | 135 | 1335 | 1088 | 8582 |
| EloSRM | -0.334 | 0.693 | 0.707 | 117.9 | -107 | 238 | 1865 | 1631 | 7399 |
| SRM | -0.743 | 0.743 | 0.809 | 156.2 | -241 | -64 | 1136 | 575 | 9002 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2010-02-06 | SRM 460 | 2 | 932 | 695.66 | -0.53 | -60 | 1631 | 7399 | -146 | 575 | 9002 |
| 3 | 2009-10-20 | SRM 451 | 2 | 647 | 451.66 | -0.62 | -67 | 1691 | 6777 | -174 | 721 | 8259 |
| 2 | 2009-10-17 | SRM 450 | 2 | 811 | 431.91 | -0.91 | -107 | 1758 | 6198 | -241 | 895 | 6282 |
| 1 | 2009-09-23 | SRM 449 | 2 | 455 | 748.26 | 0.72 | 238 | 1865 | 5298 | -64 | 1136 | 3635 |