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 |
|---|---|---|---|
| doubletony | 4 | 2169 | 875 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.875 | 1.200 | 2.031 | 144.5 | -49 | 486 | 1622 | 1622 | 4593 |
| SRMFix | 0.890 | 1.231 | 2.050 | 124.0 | -72 | 336 | 1425 | 1425 | 6208 |
| Odd | 1.028 | 1.251 | 2.104 | 156.4 | -49 | 445 | 1931 | 1931 | 6197 |
| EloSRM | 1.050 | 1.291 | 2.132 | 196.2 | -56 | 521 | 2169 | 2169 | 5705 |
| SRM | 0.467 | 1.513 | 2.114 | 197.8 | -305 | 233 | 895 | 875 | 7856 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2013-05-02 | SRM 578 | 2 | 31 | 579.35 | 4.22 | 521 | 2169 | 5705 | 233 | 875 | 7856 |
| 3 | 2013-04-26 | SRM 577 | 2 | 657 | 902.21 | 0.46 | 187 | 1648 | 11981 | -33 | 642 | 10911 |
| 2 | 2008-01-05 | SRM 386 | 2 | 609 | 519.04 | -0.33 | -56 | 1462 | 8043 | -220 | 675 | 8080 |
| 1 | 2007-12-27 | SRM 385 | 2 | 542 | 489.00 | -0.15 | -21 | 1517 | 7108 | -305 | 895 | 5833 |