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 |
|---|---|---|---|
| li_qing | 4 | 2594 | 1445 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.763 | 1.137 | 1.556 | 166.2 | -140 | 333 | 1533 | 1445 | 1998 |
| SRMFix | 1.153 | 1.261 | 1.975 | 196.3 | -27 | 643 | 1924 | 1924 | 2373 |
| EloSRM | 1.193 | 1.298 | 2.041 | 234.5 | -25 | 707 | 2594 | 2594 | 1980 |
| initial | 1.349 | 1.349 | 2.042 | 162.4 | 14 | 466 | 1850 | 1850 | 3264 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2011-09-19 | SRM 519 | 1 | 224 | 461.24 | 1.04 | 190 | 2594 | 1980 | 122 | 1445 | 1998 |
| 3 | 2011-05-11 | SRM 506 | 1 | 471 | 408.35 | -0.21 | -25 | 2404 | 2674 | -140 | 1323 | 2561 |
| 2 | 2011-05-03 | Member SRM 505 | 1 | 306 | 483.62 | -0.00 | 16 | 2429 | 2526 | -70 | 1463 | 1772 |
| 1 | 2011-04-16 | Member SRM 503 | 2 | 50 | 768.45 | 3.94 | 707 | 2413 | 2625 | 333 | 1533 | 1474 |