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.
| 2007-10-31 | Division 1 | Division 2 | 2007 TopCoder Collegiate Challenge - Semifinal Room 2 | previous | next |
| Rating | perf | err | err2 | tau | rho | ΔR | |ΔR| | ΔR min | ΔR max | max |
|---|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.166 | 0.551 | 0.638 | 0.533 | 0.703 | 3.4 | 13.8 | -20 | 28 | 3418 |
| SRM | 0.162 | 0.554 | 0.646 | 0.550 | 0.712 | -1.8 | 41.3 | -109 | 77 | 3576 |
| EloSRM | 0.189 | 0.594 | 0.696 | 0.467 | 0.626 | 4.4 | 8.5 | -9 | 20 | 3741 |
| Odd | 0.190 | 0.598 | 0.696 | 0.450 | 0.615 | 1.5 | 9.2 | -14 | 18 | 3577 |
| initial | 0.101 | 0.657 | 0.789 | 0.500 | 0.635 | 12.2 | 79.0 | -115 | 239 | 4299 |
| Player | score | rank | seed | perf | rounds | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ACRush | 1,078.47 | 1 | 1.99 | 0.99 | 79 | 10 | 3741 | 2 | 34 | 3576 | 1 |
| gawry | 758.18 | 2 | 5.56 | 1.48 | 111 | 14 | 3418 | 14 | 55 | 3051 | 7 |
| Per | 727.78 | 3 | 5.11 | 0.77 | 59 | 15 | 3450 | 10 | 40 | 3003 | 10 |
| marek.cygan | 580.72 | 4 | 4.57 | 0.19 | 155 | 3 | 3476 | 8 | -21 | 3279 | 3 |
| cyfra | 480.83 | 5 | 7.24 | 0.53 | 56 | 16 | 3321 | 25 | 27 | 2836 | 19 |
| sghao126 | 450.52 | 6 | 10.27 | 0.78 | 87 | 14 | 3152 | 78 | 49 | 2596 | 59 |
| nicka81 | 288.64 | 7 | 9.79 | 0.48 | 174 | 8 | 3172 | 67 | 20 | 2682 | 40 |
| rlp | 273.76 | 8 | 14.28 | 0.84 | 83 | 20 | 2876 | 295 | 77 | 2286 | 149 |
| Im2Good | 257.09 | 9 | 10.38 | 0.21 | 148 | 4 | 3135 | 86 | 14 | 2555 | 69 |
| darnley | 248.11 | 10 | 5.77 | -0.79 | 42 | -8 | 3384 | 19 | -38 | 2816 | 23 |
| embe | 231.94 | 11 | 9.89 | -0.15 | 69 | 0 | 3159 | 75 | -6 | 2512 | 81 |
| overwise | 220.76 | 12 | 11.04 | -0.12 | 86 | 0 | 3094 | 103 | -11 | 2444 | 95 |
| dmytro | 210.37 | 13 | 10.66 | -0.29 | 95 | -3 | 3112 | 95 | -38 | 2530 | 77 |
| Revenger | 180.98 | 14 | 8.12 | -0.79 | 123 | -6 | 3250 | 40 | -70 | 2597 | 57 |
| wintokk | 169.10 | 15 | 12.06 | -0.32 | 41 | -5 | 3026 | 149 | -52 | 2277 | 155 |
| VitalyGoldstein | 153.61 | 16 | 9.28 | -0.79 | 67 | -9 | 3183 | 63 | -109 | 2404 | 106 |