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 |
|---|---|---|---|
| yasuhito | 4 | 1764 | 848 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.134 | 0.286 | 0.315 | 34.4 | -36 | 48 | 1265 | 1265 | 6137 |
| SRMFix | 0.060 | 0.289 | 0.332 | 51.1 | -76 | 80 | 1280 | 1253 | 6238 |
| EloSRM | 0.130 | 0.306 | 0.354 | 84.0 | -55 | 178 | 1764 | 1764 | 6151 |
| Odd | 0.106 | 0.318 | 0.364 | 83.2 | -53 | 189 | 1641 | 1641 | 6145 |
| SRM | -0.387 | 0.435 | 0.562 | 88.0 | -188 | -22 | 1092 | 848 | 7002 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2009-09-10 | SRM 448 | 2 | 568 | 562.64 | -0.01 | 14 | 1764 | 6151 | -34 | 848 | 7002 |
| 3 | 2009-08-25 | SRM 447 | 2 | 458 | 597.35 | 0.38 | 89 | 1750 | 6232 | -22 | 882 | 6394 |
| 2 | 2009-07-23 | SRM 445 | 2 | 779 | 616.16 | -0.34 | -55 | 1661 | 7054 | -188 | 904 | 6083 |
| 1 | 2007-12-27 | SRM 385 | 2 | 348 | 489.00 | 0.49 | 178 | 1716 | 5338 | -108 | 1092 | 3982 |