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.
| 2002-11-23 | Division 1 | Division 2 | 2002 TopCoder Invitational Championship - Round 1 | previous | next |
| Rating | perf | err | err2 | tau | rho | ΔR | |ΔR| | ΔR min | ΔR max | max |
|---|---|---|---|---|---|---|---|---|---|---|
| initial | 0.058 | 0.178 | 0.230 | 1.000 | 1.000 | 7.0 | 21.5 | -18 | 51 | 3895 |
| SRMFix | 0.067 | 0.271 | 0.360 | 1.000 | 1.000 | 2.2 | 10.0 | -12 | 22 | 3132 |
| Odd | 0.083 | 0.311 | 0.430 | 0.667 | 0.800 | 2.8 | 4.7 | -2 | 13 | 3044 |
| EloSRM | 0.079 | 0.316 | 0.436 | 0.667 | 0.800 | 4.4 | 4.6 | 0 | 13 | 3143 |
| SRM | 0.109 | 0.329 | 0.459 | 0.667 | 0.800 | -0.8 | 36.2 | -47 | 71 | 3147 |
| Player | score | rank | seed | perf | rounds | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|
| John Dethridge | 766.53 | 1 | 1.73 | 0.79 | 43 | 13 | 3109 | 2 | 71 | 3147 | 1 |
| SnapDragon | 716.24 | 2 | 1.56 | -0.36 | 42 | 0 | 3143 | 1 | -19 | 3103 | 2 |
| dgarthur | 264.03 | 3 | 2.92 | -0.04 | 23 | 4 | 2776 | 14 | -8 | 2576 | 10 |
| moira | 230.24 | 4 | 3.79 | -0.08 | 31 | 1 | 2486 | 70 | -47 | 2139 | 52 |