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 |
|---|---|---|---|
| liwenkaitop | 4 | 1789 | 668 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | -0.222 | 0.310 | 0.326 | 147.0 | -422 | 28 | 1228 | 668 | 8306 |
| initial | 0.063 | 0.494 | 0.633 | 59.4 | -62 | 134 | 1334 | 1230 | 6363 |
| SRMFix | -0.101 | 0.628 | 0.735 | 103.9 | -116 | 231 | 1431 | 1245 | 6139 |
| EloSRM | -0.093 | 0.680 | 0.793 | 124.1 | -87 | 336 | 1950 | 1789 | 5886 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2009-12-05 | SRM 454 | 2 | 728 | 491.14 | -0.57 | -50 | 1789 | 5886 | -54 | 668 | 8306 |
| 3 | 2009-11-25 | SRM 453.5 | 2 | 608 | 326.08 | -0.90 | -87 | 1839 | 5481 | -84 | 722 | 8132 |
| 2 | 2009-08-25 | SRM 447 | 1 | 574 | 542.83 | -0.08 | -24 | 1926 | 4745 | -422 | 806 | 7374 |
| 1 | 2009-06-23 | SRM 443 | 2 | 243 | 548.45 | 1.17 | 336 | 1950 | 4535 | 28 | 1228 | 2853 |