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 |
|---|---|---|---|
| zheng682 | 8 | 2046 | 1054 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.517 | 0.917 | 1.114 | 88.8 | -217 | 102 | 1122 | 1054 | 4315 |
| Odd | 0.269 | 0.960 | 1.160 | 90.5 | -65 | 327 | 1973 | 1921 | 3890 |
| EloSRM | 0.256 | 0.966 | 1.162 | 90.0 | -71 | 331 | 2107 | 2046 | 3895 |
| SRMFix | 0.297 | 0.996 | 1.197 | 111.8 | -114 | 282 | 1638 | 1494 | 4093 |
| initial | 0.318 | 1.000 | 1.211 | 120.4 | -173 | 243 | 1716 | 1506 | 3932 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 8 | 2009-10-20 | SRM 451 | 2 | 314 | 207.29 | -0.60 | -23 | 2046 | 3895 | -27 | 1054 | 4315 |
| 7 | 2009-08-25 | SRM 447 | 2 | 242 | 228.76 | -0.08 | 8 | 2069 | 3691 | 11 | 1081 | 4082 |
| 6 | 2009-07-08 | SRM 444 | 2 | 461 | 213.60 | -1.11 | -45 | 2061 | 3748 | -52 | 1070 | 4154 |
| 5 | 2009-06-23 | SRM 443 | 2 | 94 | 239.52 | 1.35 | 102 | 2107 | 3409 | 81 | 1122 | 3704 |
| 4 | 2009-06-13 | SRM 442 | 2 | 148 | 415.85 | 1.49 | 138 | 2005 | 4104 | 88 | 1041 | 4414 |
| 3 | 2009-05-27 | SRM 441 | 2 | 623 | 316.63 | -0.98 | -71 | 1867 | 5151 | -132 | 953 | 5676 |
| 2 | 2009-05-12 | SRM 440 | 2 | 159 | 658.02 | 2.05 | 331 | 1938 | 4633 | 102 | 1085 | 4550 |
| 1 | 2009-04-19 | SRM 438 | 2 | 320 | 497.89 | -0.07 | 2 | 1607 | 7787 | -217 | 983 | 6940 |