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 |
|---|---|---|---|
| waterwang | 6 | 2351 | 1293 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.973 | 1.002 | 1.390 | 120.7 | -15 | 290 | 1894 | 1894 | 1969 |
| EloSRM | 1.111 | 1.131 | 1.535 | 140.8 | -15 | 308 | 2351 | 2351 | 2132 |
| initial | 1.195 | 1.205 | 1.573 | 145.1 | -3 | 370 | 2064 | 2064 | 2046 |
| SRM | 1.268 | 1.524 | 1.967 | 136.8 | -326 | 249 | 1449 | 1293 | 2620 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6 | 2009-05-12 | SRM 440 | 2 | 21 | 186.63 | 3.15 | 229 | 2351 | 2132 | 128 | 1293 | 2620 |
| 5 | 2008-07-31 | SRM 412 | 1 | 475 | 499.36 | 0.07 | 22 | 2122 | 3057 | -38 | 1165 | 4002 |
| 4 | 2008-07-10 | SRM 409 | 2 | 146 | 281.28 | 0.95 | 112 | 2100 | 3144 | 53 | 1203 | 3669 |
| 3 | 2008-05-24 | College Tour Beijing | 1 | 116 | 259.43 | 1.16 | 160 | 1988 | 3662 | 27 | 1150 | 3918 |
| 2 | 2007-12-11 | SRM 382 | 1 | 414 | 406.57 | -0.06 | -15 | 1829 | 4346 | -326 | 1123 | 3573 |
| 1 | 2007-12-04 | College Tour SRM 380 | 1 | 52 | 136.73 | 1.40 | 308 | 1843 | 4165 | 249 | 1449 | 1466 |