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 |
|---|---|---|---|
| waterdr | 2 | 1774 | 1023 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.206 | 0.345 | 0.402 | 75.8 | -24 | 128 | 1328 | 1304 | 5267 |
| initial | 0.353 | 0.353 | 0.437 | 42.5 | 12 | 74 | 1285 | 1285 | 5391 |
| EloSRM | 0.243 | 0.476 | 0.535 | 132.2 | -15 | 249 | 1789 | 1774 | 4959 |
| SRM | -0.548 | 0.548 | 0.556 | 88.5 | -100 | -77 | 1123 | 1023 | 4620 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2008-01-24 | SRM 389 | 2 | 365 | 310.62 | -0.23 | -15 | 1774 | 4959 | -100 | 1023 | 4620 |
| 1 | 2008-01-09 | SRM 387 | 2 | 210 | 345.74 | 0.72 | 249 | 1789 | 4776 | -77 | 1123 | 3669 |