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 |
|---|---|---|---|
| zheng.xuca | 1 | 2038 | 1053 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.202 | 0.202 | 0.202 | 48.7 | 49 | 49 | 1249 | 1249 | 7390 |
| initial | 0.253 | 0.253 | 0.253 | 30.5 | 30 | 30 | 1230 | 1230 | 7745 |
| EloSRM | 0.314 | 0.314 | 0.314 | 127.9 | 128 | 128 | 2038 | 2038 | 7254 |
| SRM | -0.743 | 0.743 | 0.743 | 147.0 | -147 | -147 | 1053 | 1053 | 5254 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2015-04-27 | SRM 657 | 2 | 184 | 228.67 | 0.31 | 128 | 2038 | 7254 | -147 | 1053 | 5254 |