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 |
|---|---|---|---|
| Keiko | 1 | 1266 | 880 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | -0.260 | 0.260 | 0.260 | 52.7 | -53 | -53 | 1266 | 1266 | 2490 |
| initial | -0.364 | 0.364 | 0.364 | 43.8 | -44 | -44 | 1156 | 1156 | 2464 |
| SRMFix | -0.397 | 0.397 | 0.397 | 93.5 | -93 | -93 | 1107 | 1107 | 2515 |
| SRM | -1.109 | 1.109 | 1.109 | 320.0 | -320 | -320 | 880 | 880 | 2015 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2003-08-23 | SRM 160 | 2 | 123 | 102.68 | -0.26 | -53 | 1266 | 2490 | -320 | 880 | 2015 |