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 |
|---|---|---|---|
| bocongHF | 4 | 1606 | 639 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | -0.145 | 0.145 | 0.194 | 15.2 | -36 | 21 | 1646 | 1606 | 7729 |
| Odd | -0.139 | 0.151 | 0.202 | 19.7 | -31 | 41 | 1516 | 1484 | 7626 |
| initial | -0.163 | 0.163 | 0.196 | 19.6 | -42 | -11 | 1189 | 1122 | 9644 |
| SRMFix | -0.168 | 0.168 | 0.196 | 26.4 | -40 | -11 | 1164 | 1094 | 8900 |
| SRM | -0.622 | 0.622 | 0.675 | 140.2 | -247 | -78 | 953 | 639 | 9045 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2009-11-05 | SRM 452 | 2 | 737 | 636.05 | -0.36 | -36 | 1606 | 7729 | -103 | 639 | 9045 |
| 3 | 2009-10-20 | SRM 451 | 2 | 565 | 530.38 | -0.09 | -1 | 1641 | 7231 | -78 | 742 | 8045 |
| 2 | 2009-10-17 | SRM 450 | 2 | 701 | 651.52 | -0.11 | -3 | 1643 | 7240 | -133 | 820 | 7240 |
| 1 | 2009-09-10 | SRM 448 | 2 | 697 | 687.02 | -0.02 | 21 | 1646 | 7262 | -247 | 953 | 5400 |