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 |
|---|---|---|---|
| David_C | 3 | 1399 | 397 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | -0.228 | 0.228 | 0.265 | 56.1 | -110 | -19 | 1458 | 1399 | 9864 |
| Odd | -0.230 | 0.230 | 0.256 | 50.5 | -94 | -17 | 1338 | 1281 | 9871 |
| SRMFix | -0.358 | 0.358 | 0.389 | 70.0 | -131 | -30 | 1069 | 990 | 9803 |
| initial | -0.384 | 0.384 | 0.397 | 46.2 | -62 | -33 | 1138 | 1061 | 9714 |
| SRM | -0.728 | 0.728 | 0.927 | 267.7 | -582 | -56 | 618 | 397 | 9723 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2010-02-17 | SRM 462 | 2 | 572 | 596.82 | -0.11 | -19 | 1399 | 9864 | -56 | 397 | 9723 |
| 2 | 2009-12-22 | SRM 456 | 2 | 687 | 613.70 | -0.15 | -40 | 1418 | 9334 | -165 | 453 | 9137 |
| 1 | 2008-07-23 | SRM 411 | 2 | 596 | 455.29 | -0.42 | -110 | 1458 | 11457 | -582 | 618 | 11613 |