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 |
|---|---|---|---|
| btree | 1 | 2005 | 1290 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.648 | 0.648 | 0.648 | 90.0 | 90 | 90 | 1290 | 1290 | 2360 |
| SRMFix | 1.620 | 1.620 | 1.620 | 334.1 | 334 | 334 | 1534 | 1534 | 3411 |
| initial | 1.683 | 1.683 | 1.683 | 202.7 | 203 | 203 | 1403 | 1403 | 4192 |
| EloSRM | 1.787 | 1.787 | 1.787 | 464.9 | 465 | 465 | 2005 | 2005 | 3211 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2008-01-05 | SRM 386 | 2 | 148 | 510.62 | 1.79 | 465 | 2005 | 3211 | 90 | 1290 | 2360 |