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 |
|---|---|---|---|
| SergeySimonchik | 7 | 2468 | 1521 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.530 | 0.876 | 1.080 | 107.6 | -118 | 284 | 1576 | 1521 | 1278 |
| SRMFix | 0.781 | 0.990 | 1.333 | 138.6 | -45 | 550 | 1993 | 1993 | 1361 |
| EloSRM | 0.827 | 1.003 | 1.389 | 158.2 | -52 | 603 | 2468 | 2468 | 1268 |
| initial | 1.047 | 1.117 | 1.444 | 134.5 | -29 | 372 | 2082 | 2082 | 1668 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7 | 2008-02-09 | TCO08 Qual 2 | 1 | 236 | 458.28 | 0.96 | 110 | 2468 | 1268 | 63 | 1521 | 1278 |
| 6 | 2008-02-05 | TCO08 Qual 1 | 1 | 475 | 451.55 | -0.49 | -52 | 2358 | 1646 | -118 | 1458 | 1473 |
| 5 | 2007-04-14 | TCO07 Round 2 | 1 | 424 | 529.15 | 0.32 | 52 | 2410 | 1027 | 33 | 1576 | 902 |
| 4 | 2007-04-07 | TCO07 Round 1A | 1 | 208 | 462.69 | 1.15 | 166 | 2358 | 1138 | 119 | 1543 | 983 |
| 3 | 2007-04-03 | TCO07 Qual 3 | 1 | 150 | 254.99 | 0.76 | 117 | 2193 | 1621 | 38 | 1424 | 1318 |
| 2 | 2007-03-29 | TCO07 Qual 1 | 1 | 554 | 506.42 | -0.13 | -9 | 2076 | 2029 | -98 | 1386 | 1399 |
| 1 | 2006-11-11 | SRM 326 | 2 | 38 | 351.81 | 3.21 | 603 | 2085 | 1843 | 284 | 1484 | 1046 |