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 |
|---|---|---|---|
| wangyucao | 7 | 1907 | 928 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.173 | 0.495 | 0.755 | 74.7 | -89 | 222 | 1996 | 1907 | 4827 |
| SRMFix | 0.156 | 0.515 | 0.798 | 57.5 | -102 | 156 | 1501 | 1399 | 4559 |
| SRM | 0.231 | 0.571 | 0.800 | 86.9 | -182 | 86 | 1286 | 928 | 5286 |
| initial | 0.233 | 0.621 | 0.865 | 74.8 | -163 | 201 | 1560 | 1397 | 4466 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7 | 2010-04-03 | SRM 466 | 2 | 684 | 321.44 | -1.09 | -89 | 1907 | 4827 | -84 | 928 | 5286 |
| 6 | 2009-06-13 | SRM 442 | 2 | 150 | 426.72 | 1.51 | 139 | 1996 | 4180 | 79 | 1012 | 4678 |
| 5 | 2009-05-27 | SRM 441 | 2 | 422 | 420.63 | -0.00 | 20 | 1856 | 5246 | -35 | 933 | 5867 |
| 4 | 2008-12-14 | TC China 08 - Finals | 1 | 304 | 327.71 | 0.11 | 33 | 1836 | 5575 | 3 | 968 | 7305 |
| 3 | 2008-12-04 | TC China 08 - 1C | 1 | 153 | 149.40 | -0.03 | 15 | 1804 | 5908 | -139 | 965 | 7375 |
| 2 | 2008-06-26 | SRM 407 | 1 | 503 | 538.05 | 0.00 | 5 | 1788 | 5729 | -182 | 1104 | 5551 |
| 1 | 2008-06-08 | College Tour West China | 1 | 262 | 431.35 | 0.72 | 222 | 1783 | 5692 | 86 | 1286 | 2905 |