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 |
|---|---|---|---|
| Lebedenco | 2 | 1765 | 1164 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.049 | 0.261 | 0.265 | 70.0 | -88 | 52 | 1252 | 1164 | 1450 |
| SRMFix | 0.573 | 0.573 | 0.712 | 122.5 | 26 | 219 | 1445 | 1445 | 1671 |
| initial | 0.615 | 0.615 | 0.745 | 74.0 | 23 | 125 | 1348 | 1348 | 1896 |
| EloSRM | 0.635 | 0.635 | 0.805 | 180.4 | 55 | 306 | 1765 | 1765 | 1569 |
| Odd | 0.649 | 0.649 | 0.829 | 180.7 | 46 | 315 | 1690 | 1690 | 1615 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2005-05-04 | SRM 241 | 1 | 157 | 173.19 | 0.14 | 55 | 1765 | 1569 | -88 | 1164 | 1450 |
| 1 | 2005-04-30 | SRM 240 | 2 | 87 | 190.32 | 1.13 | 306 | 1709 | 1743 | 52 | 1252 | 1115 |