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 |
|---|---|---|---|
| z_r4 | 7 | 1801 | 691 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.141 | 0.412 | 0.519 | 64.7 | -112 | 177 | 1801 | 1801 | 7527 |
| initial | 0.075 | 0.430 | 0.506 | 51.8 | -66 | 120 | 1263 | 1263 | 7108 |
| SRMFix | 0.131 | 0.451 | 0.548 | 60.1 | -140 | 116 | 1191 | 1191 | 7894 |
| SRM | -0.018 | 0.619 | 0.752 | 127.6 | -516 | 104 | 691 | 691 | 9305 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7 | 2011-05-17 | SRM 504.5 | 2 | 642 | 792.34 | 0.30 | 40 | 1801 | 7527 | 34 | 691 | 9305 |
| 6 | 2011-04-16 | Member SRM 503 | 2 | 538 | 782.52 | 0.54 | 67 | 1761 | 7769 | 54 | 657 | 9575 |
| 5 | 2011-03-30 | Member SRM 501 | 2 | 499 | 601.51 | -0.16 | -10 | 1693 | 8347 | -4 | 603 | 9890 |
| 4 | 2011-03-08 | SRM 499 | 2 | 436 | 928.37 | 1.09 | 177 | 1703 | 8102 | 104 | 607 | 9697 |
| 3 | 2011-02-10 | SRM 497 | 2 | 562 | 631.94 | -0.10 | -11 | 1526 | 10590 | -52 | 503 | 10352 |
| 2 | 2011-02-01 | SRM 496 | 2 | 724 | 722.02 | -0.19 | -36 | 1537 | 10484 | -129 | 555 | 10061 |
| 1 | 2010-11-13 | SRM 487 | 2 | 973 | 733.38 | -0.49 | -112 | 1573 | 9195 | -516 | 684 | 8487 |