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 |
|---|---|---|---|
| laohuguaiguai | 4 | 1494 | 515 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | -0.200 | 0.200 | 0.221 | 27.2 | -41 | 2 | 1569 | 1494 | 9640 |
| Odd | -0.206 | 0.206 | 0.228 | 21.0 | -34 | 4 | 1437 | 1375 | 9551 |
| SRMFix | -0.243 | 0.243 | 0.260 | 41.3 | -62 | -13 | 1138 | 1035 | 10024 |
| initial | -0.261 | 0.261 | 0.275 | 31.4 | -43 | -16 | 1173 | 1074 | 10145 |
| SRM | -0.540 | 0.540 | 0.594 | 171.2 | -301 | -89 | 899 | 515 | 9796 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2009-08-25 | SRM 447 | 2 | 771 | 700.86 | -0.28 | -35 | 1494 | 9640 | -100 | 515 | 9796 |
| 3 | 2009-06-23 | SRM 443 | 2 | 638 | 611.71 | -0.06 | 2 | 1529 | 9001 | -89 | 615 | 9246 |
| 2 | 2009-05-27 | SRM 441 | 2 | 727 | 717.53 | -0.30 | -41 | 1528 | 9363 | -195 | 704 | 8847 |
| 1 | 2009-03-11 | SRM 436 | 2 | 469 | 538.25 | -0.17 | -31 | 1569 | 8644 | -301 | 899 | 8176 |