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 |
|---|---|---|---|
| hosseinkb | 8 | 2528 | 1452 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.351 | 0.629 | 0.828 | 105.5 | -127 | 248 | 1452 | 1452 | 1703 |
| SRMFix | 0.604 | 0.699 | 1.119 | 98.0 | -24 | 521 | 1889 | 1889 | 1997 |
| EloSRM | 0.586 | 0.714 | 1.155 | 136.9 | -26 | 641 | 2528 | 2528 | 1421 |
| Odd | 0.578 | 0.715 | 1.159 | 133.4 | -26 | 653 | 2378 | 2378 | 1456 |
| initial | 0.754 | 0.762 | 1.189 | 91.8 | -4 | 349 | 1926 | 1926 | 2412 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 8 | 2009-04-30 | SRM 439 | 1 | 201 | 331.62 | 0.72 | 138 | 2528 | 1421 | 84 | 1452 | 1703 |
| 7 | 2008-08-16 | SRM 414 | 1 | 243 | 442.04 | 0.86 | 153 | 2390 | 1793 | 114 | 1368 | 2313 |
| 6 | 2007-12-08 | SRM 381 | 1 | 359 | 409.36 | -0.13 | -8 | 2237 | 1962 | -15 | 1254 | 2589 |
| 5 | 2007-12-04 | SRM 380 | 1 | 327 | 342.12 | -0.15 | -13 | 2245 | 1907 | -47 | 1269 | 2437 |
| 4 | 2007-11-20 | SRM 378 | 1 | 289 | 446.31 | 0.62 | 116 | 2258 | 1843 | 102 | 1316 | 2070 |
| 3 | 2007-10-17 | SRM 372 | 1 | 459 | 459.08 | -0.18 | -26 | 2142 | 2254 | -107 | 1214 | 2612 |
| 2 | 2007-10-13 | SRM 371 | 1 | 521 | 503.25 | -0.05 | 1 | 2168 | 2101 | -127 | 1321 | 1912 |
| 1 | 2007-10-02 | SRM 368 | 2 | 56 | 444.80 | 2.99 | 641 | 2168 | 2086 | 248 | 1448 | 1349 |