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 |
|---|---|---|---|
| zhouchao | 2 | 1625 | 785 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | -0.161 | 0.161 | 0.176 | 20.2 | -35 | 5 | 1474 | 1474 | 8677 |
| EloSRM | -0.181 | 0.181 | 0.201 | 28.4 | -53 | -4 | 1629 | 1625 | 8670 |
| initial | -0.237 | 0.237 | 0.256 | 28.5 | -40 | -17 | 1160 | 1143 | 9090 |
| SRMFix | -0.246 | 0.246 | 0.278 | 54.4 | -89 | -20 | 1111 | 1091 | 9024 |
| SRM | -0.722 | 0.722 | 0.801 | 207.5 | -329 | -86 | 871 | 785 | 7675 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2010-11-30 | Member SRM 489 | 2 | 455 | 649.29 | -0.09 | -4 | 1625 | 8670 | -86 | 785 | 7675 |
| 1 | 2010-10-26 | SRM 486 | 2 | 768 | 771.92 | -0.27 | -53 | 1629 | 8260 | -329 | 871 | 6226 |