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 |
|---|---|---|---|
| John-son | 6 | 1458 | 370 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | -0.172 | 0.172 | 0.190 | 21.2 | -48 | -1 | 1537 | 1458 | 11820 |
| Odd | -0.175 | 0.175 | 0.192 | 17.4 | -37 | -3 | 1407 | 1339 | 11847 |
| SRMFix | -0.198 | 0.198 | 0.218 | 31.2 | -75 | -8 | 1125 | 1013 | 12401 |
| initial | -0.213 | 0.213 | 0.230 | 25.6 | -39 | -10 | 1164 | 1046 | 12501 |
| SRM | -0.373 | 0.373 | 0.439 | 138.3 | -267 | -8 | 933 | 370 | 12497 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6 | 2009-04-30 | SRM 439 | 2 | 421 | 475.35 | -0.09 | -6 | 1458 | 11820 | -8 | 370 | 12497 |
| 5 | 2009-03-24 | SRM 437 | 2 | 796 | 677.32 | -0.27 | -36 | 1464 | 11892 | -146 | 378 | 12653 |
| 4 | 2008-12-10 | TC China 08 - 1D | 1 | 142 | 181.03 | -0.07 | -1 | 1500 | 11213 | -30 | 524 | 12207 |
| 3 | 2008-12-04 | TC China 08 - 1C | 1 | 201 | 224.62 | -0.20 | -20 | 1501 | 11220 | -222 | 554 | 12035 |
| 2 | 2008-12-02 | SRM 428 | 2 | 513 | 558.29 | -0.13 | -16 | 1521 | 10387 | -157 | 776 | 9930 |
| 1 | 2008-11-28 | TC China 08 - 1B | 1 | 134 | 141.56 | -0.27 | -48 | 1537 | 9925 | -267 | 933 | 7798 |