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 |
|---|---|---|---|
| zhupeijun | 2 | 1979 | 1035 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | -0.177 | 0.177 | 0.250 | 82.5 | -165 | 0 | 1200 | 1035 | 5253 |
| SRMFix | 0.445 | 0.473 | 0.650 | 104.4 | -5 | 204 | 1404 | 1399 | 5823 |
| initial | 0.490 | 0.490 | 0.692 | 59.0 | 0 | 118 | 1318 | 1318 | 6608 |
| EloSRM | 0.515 | 0.535 | 0.742 | 159.5 | -3 | 316 | 1982 | 1979 | 6085 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2011-06-08 | SRM 509 | 1 | 721 | 764.90 | -0.02 | -3 | 1979 | 6085 | -165 | 1035 | 5253 |
| 1 | 2010-07-06 | SRM 475 | 2 | 266 | 550.68 | 1.05 | 316 | 1982 | 4688 | 0 | 1200 | 3119 |