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 |
|---|---|---|---|
| valtchanov | 23 | 1894 | 910 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | 0.118 | 0.833 | 1.049 | 63.2 | -84 | 216 | 1783 | 1783 | 4184 |
| EloSRM | 0.150 | 0.839 | 1.056 | 68.4 | -90 | 222 | 1894 | 1894 | 4165 |
| SRMFix | 0.202 | 0.846 | 1.075 | 67.0 | -148 | 174 | 1440 | 1437 | 4208 |
| SRM | 0.420 | 0.862 | 1.119 | 82.1 | -344 | 144 | 1012 | 910 | 5710 |
| initial | 0.161 | 0.894 | 1.105 | 107.6 | -166 | 343 | 1626 | 1626 | 3105 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 23 | 2008-02-26 | SRM 391 | 2 | 75 | 263.88 | 1.82 | 75 | 1894 | 4165 | 95 | 910 | 5710 |
| 22 | 2008-02-09 | TCO08 Qual 2 | 1 | 932 | 988.43 | 0.08 | 12 | 1819 | 4696 | 17 | 815 | 6705 |
| 21 | 2008-02-02 | SRM 390 | 2 | 605 | 353.76 | -0.93 | -39 | 1807 | 4747 | -101 | 798 | 6937 |
| 20 | 2007-12-27 | SRM 385 | 2 | 210 | 303.05 | 0.53 | 41 | 1846 | 4314 | 39 | 899 | 5786 |
| 19 | 2007-11-14 | SRM 376 | 2 | 85 | 295.69 | 1.80 | 115 | 1804 | 4317 | 93 | 860 | 5739 |
| 18 | 2007-10-13 | College Tour SRM 371 | 1 | 26 | 33.56 | 0.37 | 42 | 1689 | 4971 | 44 | 767 | 6232 |
| 17 | 2007-05-23 | SRM 350 | 2 | 371 | 286.70 | -0.57 | -30 | 1647 | 4681 | -58 | 723 | 6172 |
| 16 | 2007-02-20 | SRM 340 | 2 | 322 | 309.27 | -0.06 | 5 | 1677 | 4404 | 10 | 781 | 6076 |
| 15 | 2007-02-14 | SRM 339 | 2 | 240 | 254.29 | 0.08 | 16 | 1672 | 4396 | 24 | 771 | 6122 |
| 14 | 2007-01-25 | SRM 336 | 2 | 332 | 207.39 | -0.68 | -37 | 1656 | 4363 | -52 | 747 | 6202 |
| 13 | 2006-09-30 | SRM 320 | 2 | 409 | 212.22 | -0.95 | -43 | 1693 | 3729 | -58 | 799 | 5522 |
| 12 | 2006-09-09 | TCCC06 Qual 2 | 1 | 563 | 338.15 | -0.74 | -57 | 1736 | 3317 | -85 | 857 | 4822 |
| 11 | 2006-05-27 | SRM 304 | 2 | 187 | 160.90 | -0.22 | -2 | 1792 | 2823 | 21 | 942 | 3936 |
| 10 | 2006-04-27 | SRM 300 | 2 | 23 | 150.34 | 2.71 | 150 | 1794 | 2698 | 144 | 921 | 3897 |
| 9 | 2006-04-22 | SRM 299 | 2 | 324 | 200.02 | -0.70 | -42 | 1644 | 3467 | -36 | 777 | 5147 |
| 8 | 2006-04-06 | SRM 297 | 2 | 113 | 180.16 | 0.67 | 81 | 1686 | 3172 | 69 | 813 | 4801 |
| 7 | 2006-03-29 | SRM 295 | 2 | 194 | 271.16 | 0.48 | 88 | 1605 | 3550 | 46 | 744 | 5192 |
| 6 | 2005-12-21 | SRM 279 | 2 | 265 | ||||||||
| 5 | 2005-11-21 | SRM 273 | 2 | 291 | 172.55 | -0.84 | -87 | 1517 | 3217 | -136 | 698 | 4405 |
| 4 | 2005-03-03 | SRM 233 | 2 | 262 | 90.98 | -1.53 | -90 | 1605 | 2007 | -178 | 834 | 2762 |
| 3 | 2005-02-19 | SRM 231 | 2 | 62 | 149.94 | 1.27 | 157 | 1694 | 1740 | 96 | 1012 | 1986 |
| 2 | 2005-01-31 | SRM 229 | 2 | 72 | 149.39 | 1.05 | 222 | 1537 | 2213 | 60 | 916 | 2406 |
| 1 | 2005-01-05 | SRM 226 | 2 | 124 | 108.63 | -0.38 | -73 | 1315 | 3079 | -344 | 856 | 2585 |