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 |
|---|---|---|---|
| laozhonggu | 3 | 1574 | 656 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | -0.171 | 0.202 | 0.233 | 49.0 | -76 | 31 | 1584 | 1574 | 10887 |
| SRMFix | -0.235 | 0.239 | 0.297 | 49.8 | -101 | 1 | 1099 | 1052 | 10846 |
| initial | -0.242 | 0.242 | 0.290 | 29.2 | -47 | -3 | 1153 | 1112 | 10826 |
| SRM | -0.630 | 0.630 | 0.773 | 182.0 | -385 | 1 | 815 | 656 | 9950 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2011-06-02 | SRM 508 | 2 | 420 | 815.78 | 0.05 | 31 | 1574 | 10887 | 1 | 656 | 9950 |
| 2 | 2010-07-17 | SRM 476 | 2 | 771 | 773.49 | -0.24 | -40 | 1544 | 8913 | -160 | 655 | 8296 |
| 1 | 2010-05-20 | SRM 470 | 2 | 752 | 690.76 | -0.32 | -76 | 1584 | 8141 | -385 | 815 | 6762 |