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 |
|---|---|---|---|
| youhansun | 3 | 2262 | 1342 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.983 | 1.339 | 2.030 | 107.3 | -90 | 206 | 1342 | 1342 | 2414 |
| SRMFix | 1.534 | 1.534 | 2.361 | 198.6 | 8 | 474 | 1796 | 1796 | 2445 |
| EloSRM | 1.566 | 1.566 | 2.336 | 220.7 | 28 | 415 | 2262 | 2262 | 2532 |
| Odd | 1.585 | 1.585 | 2.351 | 220.4 | 26 | 402 | 2113 | 2113 | 2623 |
| initial | 1.650 | 1.650 | 2.486 | 198.6 | 16 | 514 | 1796 | 1796 | 2771 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2009-04-19 | SRM 438 | 1 | 191 | 356.28 | 0.08 | 28 | 2262 | 2532 | 26 | 1342 | 2414 |
| 2 | 2009-03-24 | SRM 437 | 2 | 27 | 431.10 | 4.00 | 415 | 2234 | 2699 | 206 | 1316 | 2616 |
| 1 | 2009-03-11 | SRM 436 | 2 | 368 | 567.66 | 0.62 | 219 | 1819 | 5765 | -90 | 1110 | 5195 |