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 |
|---|---|---|---|
| yiersansiwu | 3 | 2074 | 1022 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.352 | 0.638 | 0.760 | 140.0 | -299 | 79 | 1242 | 1022 | 4577 |
| SRMFix | 0.659 | 0.706 | 0.847 | 126.3 | -12 | 255 | 1555 | 1555 | 3653 |
| EloSRM | 0.676 | 0.733 | 0.888 | 164.5 | -22 | 365 | 2074 | 2074 | 3712 |
| Odd | 0.706 | 0.762 | 0.923 | 170.0 | -21 | 380 | 1937 | 1937 | 3774 |
| initial | 0.836 | 0.853 | 1.034 | 102.7 | -3 | 156 | 1502 | 1502 | 3963 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2009-10-20 | SRM 451 | 2 | 159 | 278.37 | 0.81 | 106 | 2074 | 3712 | 79 | 1022 | 4577 |
| 2 | 2009-09-23 | SRM 449 | 1 | 760 | 726.82 | -0.09 | -22 | 1968 | 4464 | -299 | 943 | 5521 |
| 1 | 2009-09-10 | SRM 448 | 2 | 278 | 687.41 | 1.31 | 365 | 1990 | 4258 | 42 | 1242 | 2795 |