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 |
|---|---|---|---|
| wosugi | 4 | 2148 | 1099 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.047 | 0.659 | 0.811 | 62.8 | -74 | 75 | 1173 | 1099 | 5011 |
| SRMFix | 0.403 | 0.930 | 1.046 | 130.1 | -115 | 196 | 1605 | 1490 | 5367 |
| Odd | 0.500 | 0.996 | 1.135 | 174.8 | -71 | 277 | 2058 | 1986 | 5159 |
| initial | 0.619 | 1.011 | 1.136 | 121.7 | -94 | 229 | 1592 | 1498 | 5260 |
| EloSRM | 0.493 | 1.035 | 1.200 | 193.1 | -94 | 345 | 2242 | 2148 | 5172 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2012-01-31 | SRM 531 | 2 | 516 | 243.48 | -1.08 | -94 | 2148 | 5172 | -74 | 1099 | 5011 |
| 3 | 2011-05-17 | SRM 504.5 | 2 | 160 | 625.46 | 1.97 | 345 | 2242 | 3704 | 75 | 1173 | 3897 |
| 2 | 2008-07-01 | SRM 408 | 2 | 248 | 304.83 | 0.30 | 72 | 1897 | 4669 | -39 | 1098 | 5623 |
| 1 | 2008-06-26 | SRM 407 | 2 | 327 | 566.17 | 0.79 | 261 | 1825 | 5341 | -63 | 1137 | 4566 |