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.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| r-tree | 3 | 1632 | 776 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | 0.010 | 0.138 | 0.157 | 28.0 | -15 | 56 | 1506 | 1506 | 7702 |
| EloSRM | 0.006 | 0.147 | 0.166 | 31.5 | -31 | 56 | 1632 | 1632 | 7620 |
| initial | -0.039 | 0.164 | 0.175 | 19.7 | -27 | 23 | 1186 | 1186 | 8676 |
| SRMFix | -0.045 | 0.178 | 0.194 | 34.3 | -62 | 28 | 1153 | 1153 | 9142 |
| SRM | -0.476 | 0.476 | 0.579 | 141.3 | -301 | -45 | 899 | 776 | 9735 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2009-04-30 | SRM 439 | 2 | 395 | 462.98 | 0.23 | 56 | 1632 | 7620 | -45 | 776 | 9735 |
| 2 | 2009-04-19 | SRM 438 | 2 | 320 | 508.97 | -0.04 | 7 | 1576 | 8423 | -78 | 821 | 9125 |
| 1 | 2009-03-11 | SRM 436 | 2 | 469 | 538.25 | -0.17 | -31 | 1569 | 8644 | -301 | 899 | 8176 |