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 |
|---|---|---|---|
| duanjianghu | 4 | 1583 | 861 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | -0.157 | 0.304 | 0.343 | 56.0 | -76 | 36 | 1236 | 1159 | 5773 |
| initial | -0.091 | 0.306 | 0.319 | 36.8 | -48 | 26 | 1226 | 1178 | 5838 |
| EloSRM | -0.074 | 0.389 | 0.396 | 92.5 | -59 | 126 | 1642 | 1583 | 5475 |
| Odd | -0.048 | 0.404 | 0.407 | 98.2 | -51 | 145 | 1545 | 1494 | 5521 |
| SRM | -0.823 | 0.823 | 0.828 | 169.5 | -192 | -147 | 1053 | 861 | 5201 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2007-08-07 | SRM 362 | 2 | 338 | ||||||||
| 3 | 2007-08-01 | SRM 361 | 2 | 432 | ||||||||
| 2 | 2007-07-24 | SRM 360 | 2 | 461 | 396.50 | -0.46 | -59 | 1583 | 5475 | -192 | 861 | 5201 |
| 1 | 2007-07-17 | SRM 358 | 2 | 318 | 395.71 | 0.32 | 126 | 1642 | 4957 | -147 | 1053 | 3561 |