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 |
|---|---|---|---|
| chaker | 4 | 2443 | 1381 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.249 | 0.249 | 0.357 | 45.2 | 3 | 98 | 1381 | 1381 | 2183 |
| EloSRM | 0.720 | 0.720 | 0.918 | 189.1 | 56 | 425 | 2443 | 2443 | 2415 |
| Odd | 0.739 | 0.739 | 0.941 | 190.2 | 54 | 445 | 2268 | 2268 | 2500 |
| SRMFix | 0.758 | 0.758 | 0.888 | 133.2 | 45 | 320 | 1733 | 1733 | 3192 |
| initial | 0.861 | 0.861 | 0.965 | 103.7 | 65 | 194 | 1615 | 1615 | 3866 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2011-03-30 | Member SRM 501 | 1 | 453 | 532.78 | 0.23 | 56 | 2443 | 2415 | 3 | 1381 | 2183 |
| 3 | 2010-12-18 | Member SRM 491 | 1 | 451 | 572.54 | 0.34 | 80 | 2388 | 2494 | 12 | 1378 | 2073 |
| 2 | 2010-12-08 | SRM 490 | 1 | 396 | 615.53 | 0.64 | 195 | 2307 | 2891 | 68 | 1366 | 2143 |
| 1 | 2010-11-30 | Member SRM 489 | 2 | 211 | 671.83 | 1.67 | 425 | 2112 | 4167 | 98 | 1298 | 2525 |