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 |
|---|---|---|---|
| ToddZhang | 2 | 1655 | 823 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.010 | 0.165 | 0.165 | 39.9 | -21 | 58 | 1655 | 1655 | 7124 |
| initial | -0.051 | 0.174 | 0.182 | 21.0 | -27 | 15 | 1188 | 1188 | 7254 |
| SRMFix | -0.059 | 0.222 | 0.229 | 47.4 | -67 | 28 | 1161 | 1161 | 7377 |
| SRM | -0.711 | 0.711 | 0.846 | 188.5 | -295 | -82 | 905 | 823 | 7188 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2009-08-25 | SRM 447 | 2 | 583 | 658.22 | 0.18 | 58 | 1655 | 7124 | -82 | 823 | 7188 |
| 1 | 2009-07-23 | SRM 445 | 2 | 801 | 719.67 | -0.15 | -21 | 1597 | 7669 | -295 | 905 | 6071 |