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 |
|---|---|---|---|
| YordanPavlov | 4 | 1631 | 612 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.045 | 0.293 | 0.385 | 55.9 | -47 | 137 | 1678 | 1631 | 7342 |
| initial | -0.051 | 0.296 | 0.339 | 35.7 | -52 | 59 | 1227 | 1176 | 7714 |
| SRMFix | -0.052 | 0.316 | 0.358 | 45.7 | -51 | 71 | 1209 | 1158 | 7475 |
| SRM | -0.260 | 0.552 | 0.587 | 147.0 | -342 | -7 | 858 | 612 | 9318 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2009-06-13 | SRM 442 | 2 | 844 | 617.16 | -0.45 | -47 | 1631 | 7342 | -95 | 612 | 9318 |
| 3 | 2009-05-27 | SRM 441 | 2 | 505 | 775.58 | 0.62 | 137 | 1678 | 6944 | -7 | 707 | 8813 |
| 2 | 2009-03-24 | SRM 437 | 2 | 655 | 680.83 | 0.06 | 40 | 1541 | 10120 | -144 | 714 | 10669 |
| 1 | 2007-03-31 | TCO07 Qual 2 | 1 | 1053 | 1,021.10 | -0.04 | 0 | 1501 | 5556 | -342 | 858 | 5056 |