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 |
|---|---|---|---|
| Robodave | 4 | 1838 | 1008 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.747 | 1.013 | 1.658 | 119.3 | -58 | 311 | 1895 | 1838 | 5227 |
| Odd | 0.737 | 1.027 | 1.654 | 120.4 | -48 | 303 | 1808 | 1760 | 4851 |
| SRMFix | 0.673 | 1.090 | 1.710 | 119.4 | -84 | 338 | 1550 | 1465 | 4449 |
| initial | 0.685 | 1.098 | 1.730 | 132.2 | -93 | 405 | 1622 | 1530 | 3785 |
| SRM | 0.304 | 1.227 | 1.632 | 135.5 | -187 | 175 | 1132 | 1008 | 6770 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2008-06-26 | SRM 407 | 2 | 386 | 392.39 | -0.53 | -58 | 1838 | 5227 | -124 | 1008 | 6770 |
| 3 | 2006-12-09 | SRM 329 | 2 | 33 | 317.69 | 3.27 | 311 | 1895 | 2755 | 175 | 1132 | 2892 |
| 2 | 2006-11-02 | SRM 325 | 2 | 254 | 291.72 | 0.20 | 62 | 1584 | 4600 | -56 | 957 | 4187 |
| 1 | 2006-09-30 | SRM 320 | 2 | 352 | 365.33 | 0.05 | 46 | 1522 | 4897 | -187 | 1013 | 3683 |