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 |
|---|---|---|---|
| Laputa20 | 4 | 1942 | 898 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.172 | 0.271 | 0.359 | 32.6 | -14 | 81 | 1307 | 1283 | 7671 |
| EloSRM | 0.127 | 0.278 | 0.329 | 66.7 | -21 | 116 | 1944 | 1942 | 8001 |
| SRMFix | 0.072 | 0.292 | 0.336 | 47.0 | -33 | 94 | 1331 | 1273 | 7704 |
| Odd | 0.115 | 0.319 | 0.350 | 66.7 | -14 | 135 | 1776 | 1765 | 7857 |
| SRM | -0.354 | 0.414 | 0.476 | 75.5 | -150 | -25 | 1050 | 898 | 7518 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2013-08-27 | SRM 589 | 2 | 629 | 616.67 | -0.03 | 19 | 1942 | 8001 | -46 | 898 | 7518 |
| 3 | 2011-10-04 | SRM 520 | 2 | 689 | 570.49 | -0.27 | -21 | 1924 | 6834 | -81 | 944 | 6558 |
| 2 | 2011-07-26 | SRM 513 | 2 | 493 | 710.85 | 0.53 | 112 | 1944 | 6517 | -25 | 1025 | 5508 |
| 1 | 2011-07-02 | SRM 511 | 2 | 729 | 886.89 | 0.28 | 116 | 1832 | 7507 | -150 | 1050 | 5117 |