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.
| 2007-09-01 | Division 1 | Division 2 | 2007 TopCoder Collegiate Challenge Sponsor Track - Round 1 | previous | next |
| Rating | perf | err | err2 | tau | rho | ΔR | |ΔR| | ΔR min | ΔR max | max |
|---|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.238 | 0.688 | 0.871 | 0.384 | 0.445 | 70.1 | 122.0 | -109 | 354 | 2189 |
| Odd | 0.233 | 0.698 | 0.880 | 0.140 | 0.174 | 35.6 | 116.0 | -141 | 319 | 2053 |
| SRMFix | 0.240 | 0.704 | 0.884 | 0.140 | 0.174 | 48.1 | 144.9 | -177 | 424 | 1849 |
| initial | 0.259 | 0.741 | 0.916 | 0.140 | 0.174 | 31.1 | 89.2 | -94 | 262 | 1778 |
| SRM | 0.308 | 0.779 | 1.041 | 0.384 | 0.445 | -24.3 | 192.1 | -482 | 403 | 1603 |
| Player | score | rank | seed | perf | rounds | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|
| romkatv | 639.40 | 1 | 1.54 | 0.62 | 3 | 98 | 2189 | 1948 | 18 | 1473 | 1260 |
| retunsky | 512.29 | 2 | 8.91 | 2.15 | 1 | 354 | 1876 | 3555 | 403 | 1603 | 906 |
| MatFiz | 388.77 | 3 | 8.91 | 1.57 | 1 | 290 | 1813 | 3945 | 307 | 1507 | 1164 |
| chintanshah123 | 142.33 | 4 | 8.91 | 1.16 | 1 | 238 | 1760 | 4276 | 235 | 1435 | 1394 |
| stueckchen0815 | 141.69 | 5 | 8.91 | 0.83 | 1 | 191 | 1713 | 4616 | 174 | 1374 | 1628 |
| RAMASRE | 132.46 | 6 | 8.91 | 0.57 | 1 | 148 | 1670 | 4911 | 119 | 1319 | 1883 |
| retnasamy | 118.57 | 7 | 8.91 | 0.35 | 1 | 108 | 1631 | 5182 | 68 | 1268 | 2163 |
| virtu | 96.84 | 8 | 8.91 | 0.16 | 1 | 71 | 1593 | 5453 | 18 | 1218 | 2532 |
| eldariel87 | 84.69 | 9 | 8.91 | -0.02 | 1 | 35 | 1558 | 5736 | -30 | 1170 | 2852 |
| MatthiasSigmund | 75.17 | 10 | 8.91 | -0.17 | 1 | 4 | 1526 | 5960 | -79 | 1121 | 3123 |
| joeburke30 | 0.00 | 11 | 8.96 | -0.48 | 1 | -56 | 1467 | 6469 | -215 | 985 | 4091 |
| detence | 0.00 | 11 | 8.96 | -0.48 | 1 | -56 | 1467 | 6469 | -215 | 985 | 4091 |
| codetopper | 0.00 | 11 | 8.96 | -0.48 | 1 | -56 | 1467 | 6469 | -215 | 985 | 4091 |
| parore26 | 0.00 | 11 | 9.56 | -0.39 | 7 | -30 | 1454 | 6654 | -13 | 690 | 6611 |
| kaushal.shah | -25.00 | 15 | 8.91 | -0.80 | 1 | -109 | 1414 | 7103 | -482 | 718 | 6399 |
| derrick.crasta | -25.00 | 15 | 8.91 | -0.80 | 1 | -109 | 1414 | 7103 | -482 | 718 | 6399 |