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 |
|---|---|---|---|
| De_l_ta | 4 | 1620 | 581 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.017 | 0.356 | 0.438 | 63.5 | -94 | 131 | 1620 | 1620 | 7532 |
| SRMFix | -0.034 | 0.395 | 0.464 | 63.9 | -124 | 82 | 1108 | 1108 | 8586 |
| initial | -0.071 | 0.407 | 0.446 | 49.0 | -58 | 81 | 1166 | 1166 | 8079 |
| SRM | -0.344 | 0.686 | 0.784 | 193.2 | -440 | 77 | 760 | 581 | 9480 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2009-09-23 | SRM 449 | 2 | 487 | 854.54 | 0.74 | 131 | 1620 | 7532 | 77 | 581 | 9480 |
| 3 | 2009-09-10 | SRM 448 | 2 | 879 | 787.84 | -0.16 | -20 | 1490 | 9757 | -115 | 504 | 9915 |
| 2 | 2009-07-23 | SRM 445 | 2 | 871 | 814.08 | -0.10 | -8 | 1510 | 9391 | -141 | 619 | 9171 |
| 1 | 2009-06-13 | SRM 442 | 2 | 920 | 686.32 | -0.42 | -94 | 1518 | 9327 | -440 | 760 | 8024 |