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.
| 2003-04-04 | Division 1 | Division 2 | TopCoder Collegiate Challenge - Semifinal Round 1 | previous | next |
| Rating | perf | err | err2 | tau | rho | ΔR | |ΔR| | ΔR min | ΔR max | max |
|---|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.052 | 0.425 | 0.474 | 0.333 | 0.400 | 7.6 | 10.7 | -6 | 19 | 3181 |
| SRM | 0.062 | 0.462 | 0.506 | 0.333 | 0.400 | 2.0 | 66.0 | -128 | 69 | 2985 |
| SRMFix | 0.053 | 0.482 | 0.536 | 0.333 | 0.400 | 4.3 | 17.4 | -26 | 21 | 3037 |
| initial | 0.088 | 0.603 | 0.661 | 0.333 | 0.400 | 10.6 | 72.6 | -124 | 76 | 3321 |
| Player | score | rank | seed | perf | rounds | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Yarin | 508.19 | 1 | 1.13 | 0.18 | 52 | 5 | 3181 | 2 | 20 | 2985 | 2 |
| evd | 155.93 | 2 | 2.74 | 0.46 | 65 | 12 | 2661 | 29 | 47 | 2345 | 26 |
| yike | 129.35 | 3 | 3.74 | 0.32 | 15 | 19 | 2373 | 143 | 69 | 1884 | 120 |
| StefanPochmann | -50.00 | 4 | 2.38 | -0.75 | 54 | -6 | 2739 | 18 | -128 | 2371 | 22 |