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 |
|---|---|---|---|
| david_keller | 3 | 1921 | 1053 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.642 | 0.685 | 1.150 | 82.4 | -7 | 240 | 1440 | 1432 | 4620 |
| EloSRM | 0.620 | 0.720 | 1.163 | 144.1 | -28 | 397 | 1956 | 1921 | 4610 |
| Odd | 0.622 | 0.722 | 1.166 | 145.2 | -26 | 401 | 1828 | 1793 | 4716 |
| SRMFix | 0.582 | 0.742 | 1.151 | 144.6 | -28 | 395 | 1595 | 1556 | 3764 |
| SRM | 0.211 | 1.004 | 1.175 | 282.3 | -347 | 350 | 1550 | 1053 | 6163 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2008-09-20 | SRM 418 | 1 | 535 | 555.74 | -0.04 | -7 | 1921 | 4610 | -150 | 1053 | 6163 |
| 2 | 2008-05-24 | SRM 402 | 1 | 495 | 475.45 | -0.11 | -28 | 1929 | 4180 | -347 | 1203 | 3507 |
| 1 | 2008-05-24 | College Tour Beijing | 1 | 131 | 527.71 | 2.01 | 397 | 1956 | 3904 | 350 | 1550 | 1246 |