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 |
|---|---|---|---|
| toppcoder | 2 | 1907 | 1035 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | -0.015 | 0.348 | 0.348 | 133.5 | -216 | 51 | 1251 | 1035 | 4527 |
| SRMFix | 0.615 | 0.654 | 0.898 | 139.1 | -7 | 271 | 1471 | 1465 | 3899 |
| initial | 0.671 | 0.671 | 0.943 | 80.8 | 1 | 161 | 1362 | 1362 | 4611 |
| EloSRM | 0.695 | 0.737 | 1.013 | 205.3 | -10 | 401 | 1917 | 1907 | 3915 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2008-01-24 | SRM 389 | 1 | 507 | 508.51 | -0.04 | -10 | 1907 | 3915 | -216 | 1035 | 4527 |
| 1 | 2007-07-21 | SRM 359 | 2 | 173 | 466.76 | 1.43 | 401 | 1917 | 3210 | 51 | 1251 | 2257 |