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 |
|---|---|---|---|
| zhao09 | 7 | 1971 | 914 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.145 | 0.537 | 0.903 | 67.2 | -60 | 231 | 2019 | 1971 | 4454 |
| SRMFix | 0.201 | 0.563 | 0.914 | 61.3 | -106 | 235 | 1484 | 1402 | 4787 |
| initial | 0.253 | 0.602 | 0.944 | 72.5 | -145 | 257 | 1512 | 1413 | 4599 |
| SRM | 0.067 | 0.703 | 0.874 | 77.7 | -181 | 111 | 1059 | 914 | 5978 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7 | 2009-11-25 | SRM 453.5 | 2 | 299 | 298.95 | 0.00 | 12 | 1971 | 4454 | 18 | 914 | 5978 |
| 6 | 2009-11-05 | SRM 452 | 2 | 737 | 338.97 | -1.27 | -60 | 1959 | 4609 | -156 | 896 | 6325 |
| 5 | 2009-10-20 | SRM 451 | 2 | 251 | 252.50 | 0.01 | 15 | 2019 | 4102 | -1 | 1052 | 4327 |
| 4 | 2009-10-17 | SRM 450 | 2 | 330 | 307.62 | -0.10 | 8 | 2004 | 4199 | -6 | 1053 | 4327 |
| 3 | 2009-09-23 | SRM 449 | 2 | 150 | 601.43 | 2.00 | 231 | 1996 | 4240 | 111 | 1059 | 4283 |
| 2 | 2009-09-10 | SRM 448 | 2 | 528 | 613.21 | 0.21 | 65 | 1765 | 6141 | -71 | 948 | 5450 |
| 1 | 2009-08-08 | SRM 446 | 2 | 638 | 713.98 | 0.16 | 80 | 1700 | 6635 | -181 | 1019 | 4556 |