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 |
|---|---|---|---|
| Puzzler | 6 | 1778 | 768 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.052 | 0.444 | 0.494 | 71.7 | -58 | 126 | 1834 | 1778 | 6239 |
| SRMFix | 0.074 | 0.447 | 0.500 | 56.8 | -67 | 96 | 1341 | 1274 | 6601 |
| Odd | 0.056 | 0.448 | 0.497 | 72.4 | -55 | 141 | 1720 | 1665 | 6192 |
| initial | 0.118 | 0.458 | 0.504 | 55.1 | -86 | 90 | 1371 | 1285 | 6410 |
| SRM | -0.262 | 0.572 | 0.643 | 85.3 | -186 | 23 | 1038 | 768 | 9999 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6 | 2009-01-06 | SRM 432 | 2 | 529 | 312.69 | -0.76 | -56 | 1778 | 6239 | -116 | 768 | 9999 |
| 5 | 2008-10-18 | SRM 422 | 2 | 377 | 483.92 | 0.36 | 46 | 1834 | 5447 | 17 | 884 | 8461 |
| 4 | 2008-10-08 | SRM 421 | 2 | 414 | 454.61 | 0.14 | 30 | 1788 | 6059 | -8 | 867 | 8880 |
| 3 | 2008-10-02 | SRM 420 | 2 | 299 | 482.08 | 0.69 | 114 | 1758 | 6304 | 23 | 875 | 8740 |
| 2 | 2008-09-24 | SRM 419 | 2 | 442 | 333.34 | -0.42 | -58 | 1644 | 7573 | -186 | 852 | 9039 |
| 1 | 2008-09-20 | SRM 418 | 2 | 421 | 531.15 | 0.30 | 126 | 1702 | 6936 | -162 | 1038 | 6307 |