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 |
|---|---|---|---|
| lengjiete | 2 | 1794 | 921 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | 0.369 | 0.403 | 0.546 | 119.7 | 20 | 219 | 1659 | 1659 | 5934 |
| initial | 0.266 | 0.404 | 0.483 | 48.6 | -17 | 81 | 1264 | 1264 | 6158 |
| EloSRM | 0.374 | 0.432 | 0.571 | 123.1 | 6 | 240 | 1794 | 1794 | 5804 |
| SRMFix | 0.242 | 0.443 | 0.505 | 79.5 | -48 | 111 | 1262 | 1262 | 6154 |
| SRM | -0.429 | 0.687 | 0.810 | 141.5 | -281 | 2 | 921 | 921 | 5805 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2009-06-23 | SRM 443 | 2 | 339 | 592.73 | 0.81 | 240 | 1794 | 5804 | 2 | 921 | 5805 |
| 1 | 2008-03-06 | SRM 392 | 2 | 578 | 555.03 | -0.06 | 6 | 1555 | 7086 | -281 | 919 | 5709 |