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 |
|---|---|---|---|
| david_it21 | 13 | 2971 | 1815 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.882 | 1.274 | 1.951 | 110.4 | -69 | 532 | 2358 | 2263 | 866 |
| SRM | 0.928 | 1.290 | 1.860 | 125.0 | -260 | 298 | 1839 | 1815 | 750 |
| Odd | 0.619 | 1.292 | 1.959 | 139.6 | -90 | 666 | 2861 | 2766 | 584 |
| EloSRM | 0.543 | 1.309 | 1.988 | 152.3 | -103 | 752 | 3074 | 2971 | 544 |
| initial | 0.854 | 1.352 | 2.029 | 162.8 | -149 | 596 | 2796 | 2536 | 1004 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 13 | 2011-05-24 | TCO11 Qual 3 | 1 | 179 | 71.98 | -1.32 | -38 | 2971 | 544 | -7 | 1815 | 750 |
| 12 | 2011-05-17 | SRM 504.5 | 1 | 227 | 198.67 | -0.19 | -1 | 3009 | 474 | 44 | 1822 | 726 |
| 11 | 2011-05-11 | SRM 506 | 1 | 326 | 117.15 | -1.48 | -64 | 3010 | 448 | -61 | 1778 | 786 |
| 10 | 2011-04-07 | SRM 502 | 1 | 85 | 119.98 | 0.50 | 45 | 3074 | 360 | 103 | 1839 | 681 |
| 9 | 2011-03-30 | Member SRM 501 | 1 | 245 | 145.01 | -0.76 | -39 | 3028 | 433 | 38 | 1736 | 870 |
| 8 | 2011-03-19 | SRM 500 | 1 | 213 | 213.77 | 0.00 | 17 | 3068 | 371 | 105 | 1698 | 939 |
| 7 | 2011-03-08 | SRM 499 | 1 | 24 | 424.04 | 4.14 | 432 | 3050 | 387 | 298 | 1593 | 1224 |
| 6 | 2010-01-04 | SRM 457 | 1 | 482 | 220.46 | -1.16 | -103 | 2619 | 1183 | -260 | 1295 | 2390 |
| 5 | 2009-12-05 | SRM 454 | 1 | 221 | 347.12 | 0.65 | 116 | 2722 | 884 | 102 | 1555 | 1225 |
| 4 | 2009-07-23 | SRM 445 | 1 | 194 | 508.64 | 1.39 | 257 | 2606 | 1170 | 197 | 1453 | 1596 |
| 3 | 2009-02-12 | SRM 435 | 1 | 404 | 383.79 | -0.07 | -2 | 2349 | 2114 | -47 | 1256 | 3030 |
| 2 | 2009-02-07 | SRM 434 | 2 | 19 | 635.54 | 5.06 | 752 | 2352 | 2134 | 233 | 1303 | 2732 |
| 1 | 2006-12-09 | SRM 329 | 2 | 310 | 378.17 | 0.29 | 114 | 1600 | 4568 | -130 | 1070 | 3347 |