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 |
|---|---|---|---|
| alexcheng1982 | 1 | 1749 | 1082 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.255 | 0.255 | 0.255 | 61.0 | 61 | 61 | 1261 | 1261 | 6390 |
| initial | 0.312 | 0.312 | 0.312 | 37.6 | 38 | 38 | 1238 | 1238 | 6713 |
| EloSRM | 0.374 | 0.374 | 0.374 | 140.6 | 141 | 141 | 1749 | 1749 | 6313 |
| SRM | -0.573 | 0.573 | 0.573 | 118.0 | -118 | -118 | 1082 | 1082 | 4577 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2009-05-12 | SRM 440 | 2 | 507 | 656.90 | 0.37 | 141 | 1749 | 6313 | -118 | 1082 | 4577 |