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 |
|---|---|---|---|
| zachary | 4 | 1749 | 644 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.425 | 0.904 | 1.377 | 166.8 | -118 | 485 | 1866 | 1749 | 8748 |
| SRMFix | 0.241 | 0.999 | 1.345 | 121.1 | -106 | 272 | 1365 | 1259 | 7459 |
| initial | 0.210 | 1.016 | 1.353 | 122.3 | -129 | 295 | 1430 | 1301 | 6978 |
| SRM | 0.066 | 1.117 | 1.330 | 229.5 | -349 | 181 | 851 | 644 | 10536 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2011-09-19 | SRM 519 | 2 | 810 | 520.47 | -0.70 | -118 | 1749 | 8748 | -180 | 644 | 10536 |
| 3 | 2008-05-01 | SRM 400 | 2 | 106 | 671.72 | 2.66 | 485 | 1866 | 4470 | 181 | 824 | 6622 |
| 2 | 2008-03-06 | SRM 392 | 2 | 695 | 645.42 | -0.11 | -21 | 1382 | 9617 | -208 | 643 | 8566 |
| 1 | 2006-02-28 | TCO06 Qual 5/6/12 | 1 | 271 | 283.82 | -0.15 | -44 | 1402 | 4724 | -349 | 851 | 4174 |