8.28 Proper adjustment of K is advantageous to the player, for his opponents, and for the integrity of the entire pool.
| 2007-10-31 | Division 1 | Division 2 | 2007 TopCoder Collegiate Challenge - Semifinal Room 1 | previous | next |
| Rating | perf | err | err2 | tau | rho | ΔR | |ΔR| | ΔR min | ΔR max | max |
|---|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.163 | 0.404 | 0.558 | 0.683 | 0.859 | 3.9 | 6.0 | -8 | 20 | 3846 |
| Odd | 0.170 | 0.415 | 0.567 | 0.667 | 0.844 | 1.8 | 5.9 | -12 | 20 | 3650 |
| SRMFix | 0.167 | 0.425 | 0.562 | 0.700 | 0.874 | 3.4 | 10.3 | -19 | 34 | 3350 |
| initial | 0.115 | 0.428 | 0.525 | 0.650 | 0.841 | 13.9 | 51.5 | -82 | 139 | 3974 |
| SRM | 0.194 | 0.467 | 0.645 | 0.633 | 0.850 | -1.7 | 36.8 | -130 | 67 | 3507 |
| Player | score | rank | seed | perf | rounds | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Petr | 1,569.06 | 1 | 1.49 | 0.57 | 131 | 5 | 3846 | 1 | 50 | 3507 | 2 |
| krijgertje | 1,375.22 | 2 | 4.28 | 1.10 | 141 | 11 | 3482 | 7 | 58 | 3037 | 8 |
| xhl_kogitsune | 660.66 | 3 | 7.18 | 1.26 | 48 | 20 | 3295 | 30 | 67 | 2790 | 27 |
| kalinov | 631.73 | 4 | 4.12 | 0.04 | 166 | 2 | 3487 | 6 | -9 | 3143 | 6 |
| lovro | 466.46 | 5 | 8.73 | 0.80 | 120 | 12 | 3199 | 59 | 47 | 2645 | 48 |
| jakubr | 435.91 | 6 | 7.12 | 0.25 | 96 | 6 | 3285 | 34 | 15 | 2747 | 34 |
| pparys | 268.73 | 7 | 6.19 | -0.18 | 75 | 0 | 3336 | 23 | -9 | 2809 | 23 |
| AdrianKuegel | 255.34 | 8 | 8.93 | 0.16 | 177 | 3 | 3180 | 65 | 14 | 2561 | 66 |
| fuwenjie | 232.49 | 9 | 9.23 | 0.04 | 37 | 6 | 3166 | 69 | 0 | 2558 | 68 |
| shell | 221.84 | 10 | 11.51 | 0.20 | 56 | 7 | 3036 | 146 | 9 | 2414 | 104 |
| .Invader | 199.68 | 11 | 9.48 | -0.22 | 87 | -1 | 3145 | 80 | -26 | 2546 | 71 |
| Jacek | 159.71 | 12 | 12.89 | 0.10 | 103 | 3 | 2940 | 214 | 21 | 2147 | 229 |
| Alexus | 157.48 | 13 | 13.05 | 0.01 | 33 | 3 | 2928 | 225 | -15 | 2223 | 180 |
| chEEtah | 25.00 | 14 | 12.70 | -0.14 | 73 | -1 | 2949 | 205 | -21 | 2139 | 235 |
| Astein | 0.00 | 15 | 9.29 | -0.69 | 55 | -8 | 3148 | 79 | -98 | 2400 | 107 |
| Psyho | -25.00 | 16 | 9.81 | -0.71 | 96 | -7 | 3120 | 93 | -130 | 2370 | 121 |