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 |
|---|---|---|---|
| Sothis | 25 | 1933 | 887 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.010 | 0.663 | 0.895 | 45.9 | -40 | 305 | 1959 | 1933 | 4553 |
| SRMFix | 0.144 | 0.676 | 0.935 | 50.8 | -78 | 194 | 1553 | 1449 | 4696 |
| SRM | 0.202 | 0.685 | 1.018 | 60.3 | -248 | 143 | 1148 | 887 | 8254 |
| initial | 0.109 | 0.735 | 1.013 | 88.5 | -191 | 368 | 1751 | 1489 | 4160 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 25 | 2008-11-06 | SRM 424 | 2 | 405 | 253.02 | -0.68 | -22 | 1933 | 4553 | -22 | 887 | 8254 |
| 24 | 2008-10-18 | SRM 422 | 2 | 172 | 391.01 | 1.18 | 69 | 1955 | 4337 | 71 | 909 | 8110 |
| 23 | 2008-05-25 | College Tour Guangdong | 1 | 122 | 171.63 | 0.49 | 26 | 1886 | 4607 | -4 | 838 | 8607 |
| 22 | 2008-05-06 | SRM 401 | 2 | 419 | 401.48 | -0.55 | -18 | 1860 | 4712 | -48 | 842 | 7356 |
| 21 | 2008-04-23 | SRM 399 | 2 | 270 | 198.27 | -0.44 | -13 | 1877 | 4386 | -12 | 890 | 5870 |
| 20 | 2008-02-13 | TCO08 Qual 3 | 1 | 701 | 613.48 | -0.19 | -8 | 1890 | 4177 | -20 | 902 | 5798 |
| 19 | 2008-02-05 | TCO08 Qual 1 | 1 | 792 | 666.93 | -0.42 | -31 | 1898 | 4048 | -89 | 922 | 5629 |
| 18 | 2007-10-04 | SRM 369 | 2 | 95 | ||||||||
| 17 | 2007-08-30 | TCCC07 Round 1B | 1 | 313 | 364.29 | 0.22 | 19 | 1929 | 3202 | 34 | 1011 | 3869 |
| 16 | 2007-08-21 | TCCC07 Qual 2 | 1 | 451 | 379.06 | -0.25 | -9 | 1910 | 3320 | -23 | 977 | 4167 |
| 15 | 2007-08-18 | TCCC07 Qual 1 | 1 | 587 | 605.52 | 0.04 | 8 | 1920 | 3268 | 9 | 1000 | 4023 |
| 14 | 2007-08-11 | SRM 363 | 2 | 124 | 252.19 | 1.02 | 49 | 1911 | 3281 | 72 | 991 | 4080 |
| 13 | 2007-08-07 | SRM 362 | 2 | 288 | ||||||||
| 12 | 2007-08-01 | SRM 361 | 2 | 167 | ||||||||
| 11 | 2007-07-21 | SRM 359 | 2 | 467 | 214.19 | -1.12 | -36 | 1862 | 3536 | -77 | 919 | 4622 |
| 10 | 2007-07-12 | SRM 357 | 2 | 382 | 159.35 | -1.26 | -40 | 1898 | 3237 | -99 | 996 | 3925 |
| 9 | 2007-06-20 | SRM 355 | 2 | 246 | 151.08 | -0.70 | -21 | 1938 | 3001 | -35 | 1095 | 3249 |
| 8 | 2007-06-14 | SRM 354 | 2 | 39 | 268.47 | 2.78 | 122 | 1959 | 2853 | 125 | 1130 | 3019 |
| 7 | 2007-06-07 | SRM 353 | 2 | 285 | 292.14 | 0.04 | 14 | 1837 | 3548 | -2 | 1005 | 3905 |
| 6 | 2007-05-29 | SRM 351 | 2 | 380 | 216.11 | -0.81 | -39 | 1823 | 3563 | -77 | 1007 | 3823 |
| 5 | 2007-04-18 | SRM 345 | 2 | 312 | 208.59 | -0.58 | -27 | 1862 | 3244 | -64 | 1084 | 3252 |
| 4 | 2007-04-14 | TCO07 Round 2 | 1 | 500 | 669.62 | 0.12 | 31 | 1889 | 3058 | 48 | 1148 | 2796 |
| 3 | 2007-04-12 | TCO07 Round 1C | 1 | 270 | 335.85 | 0.32 | 77 | 1858 | 3231 | 5 | 1100 | 3079 |
| 2 | 2007-03-29 | TCO07 Qual 1 | 1 | 407 | 923.26 | 1.18 | 305 | 1781 | 3640 | 143 | 1095 | 3144 |
| 1 | 2007-03-28 | SRM 344 | 2 | 357 | 460.56 | -0.17 | -25 | 1476 | 5666 | -248 | 952 | 4199 |