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 |
|---|---|---|---|
| EasyQiu | 4 | 1746 | 1018 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | 0.254 | 0.713 | 0.925 | 115.2 | -64 | 275 | 1690 | 1626 | 6224 |
| EloSRM | 0.253 | 0.714 | 0.924 | 122.7 | -76 | 282 | 1822 | 1746 | 6264 |
| initial | 0.245 | 0.714 | 0.924 | 86.0 | -84 | 173 | 1373 | 1288 | 5856 |
| SRMFix | 0.039 | 0.917 | 1.102 | 155.8 | -156 | 301 | 1501 | 1336 | 5392 |
| SRM | -0.137 | 1.069 | 1.119 | 242.0 | -276 | 272 | 1472 | 1018 | 4602 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2009-07-08 | SRM 444 | 2 | 840 | ||||||||
| 3 | 2009-06-23 | SRM 443 | 2 | 612 | 379.07 | -0.69 | -76 | 1746 | 6264 | -178 | 1018 | 4602 |
| 2 | 2009-06-13 | SRM 442 | 1 | 581 | 605.56 | 0.01 | 10 | 1822 | 5554 | -276 | 1196 | 3108 |
| 1 | 2007-10-26 | College Tour Sichuan | 1 | 52 | 141.50 | 1.44 | 282 | 1812 | 4186 | 272 | 1472 | 1317 |