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 |
|---|---|---|---|
| ch_riess | 7 | 1997 | 1211 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.313 | 0.392 | 0.628 | 68.8 | -24 | 285 | 1651 | 1626 | 1476 |
| SRM | 0.191 | 0.424 | 0.517 | 69.9 | -140 | 117 | 1414 | 1211 | 1558 |
| Odd | 0.229 | 0.471 | 0.697 | 94.7 | -31 | 381 | 1952 | 1917 | 1277 |
| EloSRM | 0.211 | 0.485 | 0.699 | 97.9 | -33 | 367 | 2040 | 1997 | 1280 |
| initial | 0.496 | 0.535 | 0.707 | 64.4 | -17 | 168 | 1618 | 1618 | 1467 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7 | 2005-10-18 | SRM 268 | 2 | 60 | 45.32 | -0.40 | -6 | 1997 | 1280 | 36 | 1211 | 1558 |
| 6 | 2005-09-09 | SRM 262 | 1 | 219 | 182.60 | -0.33 | -33 | 2002 | 1234 | -140 | 1175 | 1693 |
| 5 | 2005-08-27 | SRM 260 | 1 | 255 | 251.22 | -0.02 | 6 | 2036 | 1136 | -38 | 1315 | 1126 |
| 4 | 2005-08-16 | TCO05 Qual 1/3 | 1 | 154 | 143.16 | -0.10 | -2 | 2030 | 1085 | -9 | 1353 | 993 |
| 3 | 2005-07-07 | SRM 250 | 1 | 125 | 154.05 | -0.10 | -7 | 2032 | 959 | -52 | 1362 | 853 |
| 2 | 2005-06-18 | SRM 247 | 1 | 112 | 214.50 | 0.94 | 264 | 2040 | 931 | 117 | 1414 | 740 |
| 1 | 2005-06-09 | SRM 246 | 2 | 61 | 172.40 | 1.50 | 367 | 1776 | 1582 | 97 | 1297 | 979 |