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 |
|---|---|---|---|
| skg_123 | 2 | 1457 | 365 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | -0.316 | 0.316 | 0.365 | 68.8 | -114 | -24 | 1348 | 1324 | 10916 |
| EloSRM | -0.327 | 0.327 | 0.388 | 78.7 | -130 | -28 | 1484 | 1457 | 10920 |
| SRMFix | -0.446 | 0.446 | 0.494 | 95.1 | -150 | -40 | 1050 | 1010 | 10696 |
| initial | -0.447 | 0.447 | 0.472 | 53.8 | -72 | -36 | 1128 | 1092 | 10431 |
| SRM | -0.872 | 0.872 | 1.093 | 417.5 | -779 | -56 | 421 | 365 | 10875 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2011-02-01 | SRM 496 | 2 | 724 | 761.12 | -0.12 | -28 | 1457 | 10920 | -56 | 365 | 10875 |
| 1 | 2009-06-23 | SRM 443 | 2 | 801 | 548.77 | -0.54 | -130 | 1484 | 9734 | -779 | 421 | 10182 |