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 |
|---|---|---|---|
| gnaggnoyil | 3 | 1727 | 816 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.086 | 0.237 | 0.308 | 28.5 | -27 | 58 | 1231 | 1231 | 6557 |
| Odd | 0.126 | 0.248 | 0.335 | 60.3 | -15 | 143 | 1603 | 1603 | 6525 |
| EloSRM | 0.124 | 0.251 | 0.340 | 63.1 | -31 | 142 | 1727 | 1727 | 6536 |
| SRMFix | 0.072 | 0.270 | 0.333 | 50.6 | -62 | 84 | 1222 | 1217 | 6654 |
| SRM | -0.336 | 0.417 | 0.555 | 128.0 | -301 | -34 | 899 | 816 | 7304 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2009-11-05 | SRM 452 | 2 | 584 | 574.82 | -0.02 | 17 | 1727 | 6536 | -49 | 816 | 7304 |
| 2 | 2009-05-12 | SRM 440 | 2 | 470 | 694.32 | 0.56 | 142 | 1711 | 6723 | -34 | 865 | 7855 |
| 1 | 2009-03-11 | SRM 436 | 2 | 469 | 538.25 | -0.17 | -31 | 1569 | 8644 | -301 | 899 | 8176 |