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 |
|---|---|---|---|
| sYFFAN | 4 | 2326 | 1205 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 1.027 | 1.106 | 1.626 | 133.2 | -19 | 365 | 1714 | 1695 | 3041 |
| SRM | 0.465 | 1.113 | 1.333 | 235.8 | -251 | 334 | 1534 | 1205 | 3045 |
| SRMFix | 0.857 | 1.141 | 1.592 | 185.6 | -51 | 540 | 1846 | 1795 | 2433 |
| EloSRM | 0.898 | 1.172 | 1.647 | 211.4 | -57 | 568 | 2383 | 2326 | 2264 |
| Odd | 0.910 | 1.176 | 1.660 | 210.4 | -54 | 577 | 2233 | 2179 | 2323 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2009-07-08 | SRM 444 | 1 | 654 | 480.22 | -0.48 | -57 | 2326 | 2264 | -251 | 1205 | 3045 |
| 3 | 2009-06-23 | SRM 443 | 1 | 208 | 433.72 | 1.06 | 213 | 2383 | 2009 | 140 | 1456 | 1600 |
| 2 | 2009-06-13 | SRM 442 | 1 | 563 | 536.45 | -0.07 | -8 | 2170 | 3046 | -218 | 1316 | 2255 |
| 1 | 2009-05-27 | SRM 441 | 2 | 82 | 693.56 | 3.08 | 568 | 2178 | 2979 | 334 | 1534 | 1290 |