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 |
|---|---|---|---|
| __aptbot__ | 2 | 2100 | 1291 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.273 | 0.374 | 0.463 | 51.5 | -6 | 97 | 1297 | 1291 | 2428 |
| SRMFix | 0.840 | 0.840 | 1.088 | 172.1 | 25 | 319 | 1544 | 1544 | 3725 |
| initial | 0.885 | 0.885 | 1.128 | 106.6 | 22 | 191 | 1413 | 1413 | 4616 |
| EloSRM | 0.899 | 0.899 | 1.177 | 242.0 | 54 | 430 | 2100 | 2100 | 3463 |
| Odd | 0.918 | 0.918 | 1.205 | 247.8 | 50 | 446 | 1958 | 1958 | 3564 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2009-07-23 | SRM 445 | 1 | 368 | 549.71 | 0.14 | 54 | 2100 | 3463 | -6 | 1291 | 2428 |
| 1 | 2009-07-08 | SRM 444 | 2 | 214 | 675.93 | 1.66 | 430 | 2046 | 3855 | 97 | 1297 | 2396 |