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 |
|---|---|---|---|
| sunweijun | 3 | 2037 | 893 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.381 | 1.201 | 1.528 | 144.6 | -141 | 286 | 1478 | 1338 | 7029 |
| EloSRM | 0.355 | 1.222 | 1.556 | 161.5 | -111 | 349 | 2147 | 2037 | 6757 |
| Odd | 0.383 | 1.227 | 1.554 | 164.8 | -103 | 346 | 1953 | 1850 | 6858 |
| SRMFix | 0.313 | 1.262 | 1.558 | 170.2 | -160 | 320 | 1490 | 1330 | 7084 |
| SRM | -0.107 | 1.349 | 1.400 | 196.3 | -228 | 141 | 1113 | 893 | 7710 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2012-12-12 | SRM 564 | 2 | 693 | 315.79 | -1.29 | -111 | 2037 | 6757 | -220 | 893 | 7710 |
| 2 | 2012-08-22 | SRM 553 | 2 | 103 | 530.86 | 2.37 | 349 | 2147 | 5645 | 141 | 1113 | 4928 |
| 1 | 2012-08-16 | SRM 552 | 2 | 532 | 528.15 | -0.01 | 25 | 1798 | 9109 | -228 | 972 | 6470 |