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 |
|---|---|---|---|
| Unlucky | 4 | 2092 | 987 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.008 | 0.260 | 0.314 | 115.8 | -337 | 67 | 1324 | 987 | 4165 |
| SRMFix | 0.455 | 0.528 | 0.573 | 90.8 | -18 | 156 | 1546 | 1528 | 3111 |
| EloSRM | 0.409 | 0.553 | 0.580 | 164.3 | -43 | 316 | 2135 | 2092 | 2438 |
| Odd | 0.422 | 0.554 | 0.585 | 158.1 | -40 | 310 | 1995 | 1955 | 2579 |
| initial | 0.523 | 0.562 | 0.628 | 67.6 | -9 | 92 | 1461 | 1452 | 3480 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2007-10-09 | SRM 370 | 1 | 561 | 458.24 | -0.29 | -43 | 2092 | 2438 | -337 | 987 | 4165 |
| 3 | 2007-09-08 | TCCC07 Round 2 | 1 | 473 | 686.66 | 0.54 | 124 | 2135 | 2193 | 67 | 1324 | 1821 |
| 2 | 2007-09-01 | TCCC07 Round 1C | 1 | 257 | 396.23 | 0.62 | 174 | 2011 | 2753 | 58 | 1257 | 2245 |
| 1 | 2007-08-18 | TCCC07 Qual 1 | 1 | 504 | 855.37 | 0.76 | 316 | 1837 | 3779 | -1 | 1199 | 2697 |