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 |
|---|---|---|---|
| tangchao | 4 | 1839 | 908 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | -0.426 | 0.532 | 0.612 | 73.0 | -134 | -6 | 1156 | 908 | 8170 |
| initial | 0.223 | 0.654 | 0.703 | 78.7 | -63 | 125 | 1411 | 1307 | 5910 |
| SRMFix | 0.025 | 0.686 | 0.688 | 108.9 | -92 | 150 | 1472 | 1309 | 6080 |
| EloSRM | -0.015 | 0.759 | 0.760 | 125.7 | -60 | 262 | 1949 | 1839 | 5188 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2008-06-17 | SRM 406 | 2 | 379 | 278.79 | -0.74 | -50 | 1839 | 5188 | -134 | 908 | 8170 |
| 3 | 2008-06-05 | SRM 404 | 2 | 456 | 260.42 | -0.81 | -60 | 1889 | 4619 | -108 | 1042 | 6085 |
| 2 | 2008-05-28 | SRM 403 | 2 | 150 | 241.54 | 0.69 | 130 | 1949 | 4067 | -6 | 1150 | 4427 |
| 1 | 2008-05-01 | SRM 400 | 2 | 324 | 564.31 | 0.80 | 262 | 1819 | 4816 | -44 | 1156 | 3403 |