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 |
|---|---|---|---|
| JLGPisa | 3 | 1717 | 779 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.028 | 0.474 | 0.475 | 57.1 | -54 | 61 | 1207 | 1207 | 6749 |
| Odd | 0.157 | 0.490 | 0.514 | 122.2 | -72 | 172 | 1572 | 1572 | 6722 |
| EloSRM | 0.137 | 0.511 | 0.529 | 132.9 | -90 | 176 | 1717 | 1717 | 6604 |
| SRMFix | 0.041 | 0.533 | 0.534 | 104.1 | -114 | 94 | 1179 | 1179 | 6878 |
| SRM | -0.529 | 0.814 | 0.971 | 222.5 | -433 | 12 | 779 | 779 | 7207 |
| # | 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 | 572 | ||||||||
| 2 | 2010-02-13 | Member SRM 461 | 2 | 550 | 862.08 | 0.65 | 176 | 1717 | 6604 | 12 | 779 | 7207 |
| 1 | 2009-10-20 | SRM 451 | 2 | 647 | 534.38 | -0.37 | -90 | 1541 | 8745 | -433 | 767 | 7774 |