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 |
|---|---|---|---|
| KrasimirPetrov | 4 | 1512 | 408 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | -0.272 | 0.353 | 0.381 | 42.5 | -68 | 20 | 1152 | 1069 | 9635 |
| EloSRM | -0.173 | 0.361 | 0.369 | 88.4 | -121 | 146 | 1600 | 1512 | 9191 |
| SRMFix | -0.244 | 0.373 | 0.402 | 66.4 | -144 | 44 | 1100 | 1022 | 9612 |
| SRM | -0.476 | 0.577 | 0.806 | 206.5 | -648 | 17 | 569 | 408 | 9651 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2010-02-06 | SRM 460 | 2 | 932 | 813.80 | -0.30 | -41 | 1512 | 9191 | -87 | 408 | 9651 |
| 3 | 2010-01-19 | SRM 459 | 2 | 744 | 690.88 | -0.28 | -47 | 1553 | 8277 | -74 | 495 | 9251 |
| 2 | 2009-11-05 | SRM 452 | 2 | 609 | 789.98 | 0.38 | 146 | 1600 | 7799 | 17 | 569 | 9543 |
| 1 | 2008-09-11 | SRM 417 | 2 | 850 | 609.86 | -0.48 | -121 | 1454 | 11877 | -648 | 552 | 12300 |