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 |
|---|---|---|---|
| zhangxinwei | 1 | 1730 | 1115 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.225 | 0.225 | 0.225 | 54.0 | 54 | 54 | 1254 | 1254 | 6286 |
| initial | 0.269 | 0.269 | 0.269 | 32.4 | 32 | 32 | 1232 | 1232 | 6606 |
| EloSRM | 0.322 | 0.322 | 0.322 | 119.8 | 120 | 120 | 1730 | 1730 | 6413 |
| Odd | 0.352 | 0.352 | 0.352 | 132.0 | 132 | 132 | 1591 | 1591 | 6576 |
| SRM | -0.379 | 0.379 | 0.379 | 85.0 | -85 | -85 | 1115 | 1115 | 3811 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2009-05-27 | SRM 441 | 2 | 555 | 693.56 | 0.32 | 120 | 1730 | 6413 | -85 | 1115 | 3811 |