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 |
|---|---|---|---|
| osamu_nakamura | 2 | 1807 | 910 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.021 | 0.068 | 0.071 | 15.0 | -8 | 22 | 1222 | 1214 | 7839 |
| initial | 0.089 | 0.089 | 0.106 | 10.8 | 4 | 18 | 1222 | 1222 | 7937 |
| EloSRM | 0.145 | 0.145 | 0.162 | 72.3 | 46 | 98 | 1807 | 1807 | 7844 |
| SRM | -0.733 | 0.733 | 0.744 | 145.0 | -179 | -111 | 1021 | 910 | 6801 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2011-08-20 | SRM 515 | 2 | 664 | 697.91 | 0.07 | 46 | 1807 | 7844 | -111 | 910 | 6801 |
| 1 | 2010-06-05 | SRM 472 | 2 | 534 | 620.79 | 0.22 | 98 | 1761 | 6446 | -179 | 1021 | 4516 |