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 |
|---|---|---|---|
| lawrenceparley | 2 | 1506 | 664 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | -0.150 | 0.150 | 0.204 | 40.3 | -56 | 25 | 1393 | 1393 | 8643 |
| EloSRM | -0.154 | 0.156 | 0.219 | 46.6 | -71 | 22 | 1506 | 1506 | 8677 |
| initial | -0.218 | 0.218 | 0.279 | 26.3 | -47 | -5 | 1153 | 1147 | 9092 |
| SRMFix | -0.212 | 0.237 | 0.318 | 54.6 | -105 | 4 | 1099 | 1099 | 9052 |
| SRM | -0.613 | 0.644 | 0.889 | 268.0 | -399 | -137 | 801 | 664 | 9262 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2008-05-03 | East China Round 1 | 1 | 455 | 794.13 | 0.00 | 22 | 1506 | 8677 | -137 | 664 | 9262 |
| 1 | 2008-04-23 | SRM 399 | 2 | 429 | 382.46 | -0.31 | -71 | 1484 | 8016 | -399 | 801 | 6902 |