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 |
|---|---|---|---|
| antonella1910 | 4 | 2090 | 882 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.601 | 0.884 | 1.103 | 106.5 | -65 | 213 | 1490 | 1490 | 5579 |
| Odd | 0.681 | 0.897 | 1.126 | 145.6 | -97 | 251 | 1894 | 1894 | 6384 |
| EloSRM | 0.674 | 0.912 | 1.130 | 157.6 | -113 | 276 | 2090 | 2090 | 6150 |
| SRMFix | 0.630 | 0.931 | 1.160 | 120.6 | -138 | 186 | 1406 | 1406 | 6387 |
| SRM | 0.350 | 1.138 | 1.303 | 186.5 | -522 | 117 | 882 | 882 | 7786 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2012-07-21 | SRM 550 | 2 | 203 | 674.69 | 1.73 | 198 | 2090 | 6150 | 117 | 882 | 7786 |
| 3 | 2012-06-25 | SRM 547 | 2 | 199 | 514.29 | 1.37 | 276 | 1892 | 8087 | 97 | 765 | 9667 |
| 2 | 2012-05-29 | SRM 544 | 2 | 263 | 473.28 | 0.07 | 43 | 1616 | 12342 | -10 | 668 | 10995 |
| 1 | 2010-11-18 | SRM 488 | 2 | 692 | 522.53 | -0.48 | -113 | 1573 | 9343 | -522 | 678 | 8690 |