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 |
|---|---|---|---|
| aabab | 2 | 2234 | 915 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.223 | 0.381 | 0.442 | 91.8 | -35 | 149 | 2234 | 2234 | 2213 |
| initial | 0.216 | 0.384 | 0.440 | 46.2 | -20 | 72 | 1252 | 1252 | 2260 |
| Odd | 0.239 | 0.385 | 0.454 | 87.4 | -21 | 154 | 1915 | 1915 | 2256 |
| SRMFix | 0.232 | 0.396 | 0.459 | 70.8 | -40 | 102 | 1262 | 1262 | 2318 |
| SRM | -0.091 | 0.407 | 0.417 | 164.5 | -307 | 22 | 915 | 915 | 2737 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2019-09-10 | SRM 766 | 2 | 43 | 65.38 | 0.60 | 149 | 2234 | 2213 | 22 | 915 | 2737 |
| 1 | 2019-06-23 | TCC19 South America Prelims | 1 | 103 | 112.94 | -0.16 | -35 | 2086 | 3098 | -307 | 893 | 3239 |