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 4 | previous | next |
| Rating | perf | err | err2 | tau | rho | ΔR | |ΔR| | ΔR min | ΔR max | max |
|---|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.087 | 0.201 | 0.276 | 1.000 | 1.000 | 5.9 | 6.4 | -1 | 13 | 2939 |
| SRMFix | 0.075 | 0.215 | 0.260 | 0.667 | 0.800 | 4.5 | 8.8 | -8 | 17 | 2857 |
| initial | 0.053 | 0.218 | 0.246 | 0.667 | 0.800 | 6.3 | 26.2 | -40 | 31 | 3346 |
| SRM | 0.078 | 0.230 | 0.266 | 0.667 | 0.800 | -1.8 | 30.8 | -65 | 27 | 2809 |
| Player | score | rank | seed | perf | rounds | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|
| dgarthur | 1,233.52 | 1 | 1.42 | 0.50 | 32 | 13 | 2939 | 9 | 27 | 2809 | 6 |
| DjinnKahn | 248.26 | 2 | 1.98 | -0.01 | 97 | 2 | 2774 | 16 | 4 | 2428 | 17 |
| jburnim | 244.87 | 3 | 3.16 | 0.07 | 18 | 9 | 2499 | 78 | 27 | 1959 | 92 |
| O_O | 205.26 | 4 | 3.44 | -0.22 | 58 | -1 | 2413 | 122 | -65 | 1925 | 103 |