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 |
|---|---|---|---|
| erjoalgo | 4 | 2187 | 1123 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.225 | 0.731 | 0.811 | 65.2 | -113 | 57 | 1144 | 1123 | 4464 |
| SRMFix | 0.665 | 0.789 | 0.882 | 111.9 | -42 | 140 | 1564 | 1564 | 4380 |
| EloSRM | 0.620 | 0.793 | 0.844 | 138.5 | -29 | 239 | 2187 | 2187 | 4279 |
| initial | 0.817 | 0.817 | 0.971 | 98.4 | 4 | 172 | 1594 | 1594 | 4215 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2011-07-02 | SRM 511 | 2 | 200 | 434.66 | 1.12 | 125 | 2187 | 4279 | 57 | 1123 | 4464 |
| 3 | 2011-06-02 | SRM 508 | 2 | 321 | 625.29 | 0.96 | 161 | 2062 | 5253 | 35 | 1066 | 4935 |
| 2 | 2011-01-12 | SRM 493 | 2 | 389 | 306.07 | -0.35 | -29 | 1901 | 5977 | -113 | 1031 | 4848 |
| 1 | 2010-12-28 | SRM 492 | 2 | 318 | 532.47 | 0.74 | 239 | 1930 | 5706 | -56 | 1144 | 3879 |