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 |
|---|---|---|---|
| mac1234 | 2 | 1989 | 1088 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | -0.068 | 0.249 | 0.258 | 84.0 | -140 | 28 | 1228 | 1088 | 3968 |
| SRMFix | 0.553 | 0.553 | 0.780 | 120.4 | 1 | 240 | 1441 | 1441 | 4455 |
| initial | 0.598 | 0.598 | 0.816 | 72.0 | 5 | 139 | 1344 | 1344 | 5166 |
| EloSRM | 0.614 | 0.618 | 0.871 | 176.8 | 5 | 348 | 1989 | 1989 | 4310 |
| Odd | 0.640 | 0.642 | 0.907 | 184.7 | 5 | 364 | 1845 | 1845 | 4432 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2009-12-05 | SRM 454 | 1 | 551 | 587.29 | -0.00 | 5 | 1989 | 4310 | -140 | 1088 | 3968 |
| 1 | 2009-11-25 | SRM 453.5 | 2 | 245 | 575.30 | 1.23 | 348 | 1984 | 4355 | 28 | 1228 | 2892 |