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 |
|---|---|---|---|
| liu3063031168 | 4 | 2087 | 1142 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.525 | 0.597 | 0.832 | 106.7 | -18 | 308 | 1609 | 1592 | 3520 |
| initial | 0.577 | 0.600 | 0.849 | 72.3 | -5 | 179 | 1484 | 1478 | 4241 |
| EloSRM | 0.536 | 0.625 | 0.853 | 147.3 | -29 | 319 | 2116 | 2087 | 3330 |
| Odd | 0.540 | 0.625 | 0.857 | 144.6 | -25 | 325 | 1978 | 1952 | 3435 |
| SRM | 0.171 | 0.649 | 0.760 | 178.5 | -271 | 259 | 1459 | 1142 | 4624 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2008-09-11 | SRM 417 | 1 | 620 | 554.32 | -0.18 | -29 | 2087 | 3330 | -271 | 1142 | 4624 |
| 3 | 2008-09-04 | SRM 416 | 1 | 320 | 553.32 | 0.79 | 223 | 2116 | 3154 | 69 | 1413 | 1975 |
| 2 | 2008-07-19 | SRM 410 | 1 | 396 | 519.11 | 0.03 | 18 | 1893 | 4773 | -115 | 1344 | 2478 |
| 1 | 2008-05-03 | East China Round 1 | 1 | 262 | 741.75 | 1.50 | 319 | 1875 | 4494 | 259 | 1459 | 1555 |