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 |
|---|---|---|---|
| luocheng | 2 | 1412 | 619 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | -0.265 | 0.265 | 0.271 | 47.8 | -69 | -26 | 1338 | 1312 | 8025 |
| EloSRM | -0.276 | 0.276 | 0.285 | 58.4 | -83 | -34 | 1446 | 1412 | 7954 |
| SRMFix | -0.376 | 0.376 | 0.394 | 79.3 | -115 | -44 | 1085 | 1041 | 8281 |
| initial | -0.378 | 0.378 | 0.384 | 45.6 | -53 | -38 | 1147 | 1109 | 8126 |
| SRM | -0.930 | 0.930 | 1.008 | 290.5 | -435 | -146 | 765 | 619 | 7771 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2007-11-06 | SRM 374 | 2 | 517 | 515.42 | -0.20 | -34 | 1412 | 7954 | -146 | 619 | 7771 |
| 1 | 2007-10-17 | SRM 372 | 2 | 595 | 508.94 | -0.35 | -83 | 1446 | 7237 | -435 | 765 | 6299 |