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 |
|---|---|---|---|
| alexandershov | 2 | 2045 | 912 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.194 | 0.194 | 0.264 | 64.1 | 32 | 96 | 2045 | 2045 | 6201 |
| Odd | 0.216 | 0.216 | 0.270 | 71.8 | 45 | 98 | 1796 | 1796 | 6367 |
| initial | 0.184 | 0.221 | 0.288 | 26.6 | -4 | 49 | 1244 | 1244 | 6408 |
| SRMFix | 0.156 | 0.254 | 0.298 | 46.2 | -24 | 68 | 1244 | 1244 | 6339 |
| SRM | -0.515 | 0.571 | 0.769 | 144.0 | -237 | -51 | 963 | 912 | 5816 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2015-07-23 | SRM 663 | 2 | 330 | 427.55 | 0.37 | 96 | 2045 | 6201 | -51 | 912 | 5816 |
| 1 | 2015-06-11 | SRM 661 | 2 | 255 | 257.51 | 0.01 | 32 | 1948 | 7674 | -237 | 963 | 5857 |