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 |
|---|---|---|---|
| GopCoder | 9 | 2621 | 1387 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.463 | 0.855 | 1.116 | 113.0 | -281 | 216 | 1650 | 1387 | 1840 |
| SRMFix | 0.683 | 0.998 | 1.317 | 119.6 | -84 | 381 | 2108 | 2032 | 1376 |
| EloSRM | 0.592 | 1.012 | 1.318 | 150.4 | -113 | 329 | 2733 | 2621 | 1206 |
| Odd | 0.603 | 1.026 | 1.332 | 146.5 | -101 | 322 | 2574 | 2469 | 1192 |
| initial | 0.942 | 1.134 | 1.463 | 136.5 | -63 | 393 | 2262 | 2221 | 1636 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 9 | 2010-05-20 | SRM 470 | 1 | 490 | 402.55 | -0.58 | -45 | 2621 | 1206 | -80 | 1387 | 1840 |
| 8 | 2010-02-13 | Member SRM 461 | 1 | 277 | 357.76 | 0.37 | 49 | 2666 | 1073 | 75 | 1467 | 1542 |
| 7 | 2010-01-14 | Member SRM 458 | 1 | 363 | 332.91 | -0.12 | -3 | 2617 | 1199 | 23 | 1392 | 1858 |
| 6 | 2010-01-04 | SRM 457 | 1 | 482 | 215.86 | -1.19 | -113 | 2620 | 1177 | -281 | 1369 | 1957 |
| 5 | 2009-10-17 | SRM 450 | 1 | 136 | 354.05 | 1.38 | 212 | 2733 | 827 | 134 | 1650 | 969 |
| 4 | 2009-02-07 | SRM 434 | 1 | 382 | 385.15 | 0.01 | 15 | 2521 | 1424 | -13 | 1516 | 1470 |
| 3 | 2009-01-21 | SRM 433 | 1 | 169 | 530.40 | 1.65 | 287 | 2506 | 1481 | 216 | 1529 | 1432 |
| 2 | 2009-01-06 | SRM 432 | 2 | 38 | 277.63 | 2.87 | 329 | 2219 | 2746 | 154 | 1313 | 2654 |
| 1 | 2008-12-20 | SRM 430 | 2 | 297 | 569.30 | 0.94 | 302 | 1891 | 5075 | -41 | 1159 | 4274 |