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 |
|---|---|---|---|
| MarkCup | 3 | 2458 | 1377 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 1.436 | 1.439 | 2.460 | 173.2 | -1 | 513 | 1719 | 1719 | 2954 |
| SRMFix | 1.243 | 1.574 | 2.449 | 255.8 | -54 | 689 | 1889 | 1810 | 2363 |
| SRM | 0.689 | 1.633 | 2.104 | 312.3 | -266 | 557 | 1757 | 1377 | 1946 |
| EloSRM | 1.037 | 1.829 | 2.535 | 396.7 | -116 | 1025 | 2623 | 2458 | 1707 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2009-07-08 | SRM 444 | 1 | 448 | 427.61 | -0.36 | -49 | 2458 | 1707 | -114 | 1377 | 1946 |
| 2 | 2009-03-07 | TCO09 Round 1 | 1 | 1243 | 702.27 | -0.82 | -116 | 2507 | 1482 | -266 | 1491 | 1538 |
| 1 | 2009-02-28 | TCO09 Qual 2 | 1 | 65 | 1,278.48 | 4.30 | 1025 | 2623 | 1052 | 557 | 1757 | 765 |