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 |
|---|---|---|---|
| J.Bogusz | 5 | 2107 | 754 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | 0.067 | 0.261 | 0.387 | 41.6 | -30 | 148 | 1824 | 1822 | 3020 |
| initial | 0.043 | 0.263 | 0.375 | 31.7 | -32 | 92 | 1236 | 1226 | 2967 |
| SRMFix | 0.069 | 0.265 | 0.396 | 40.6 | -48 | 107 | 1219 | 1213 | 3053 |
| EloSRM | 0.067 | 0.269 | 0.400 | 47.0 | -45 | 151 | 2110 | 2107 | 2980 |
| SRM | 0.002 | 0.362 | 0.482 | 116.4 | -361 | 43 | 839 | 754 | 3878 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5 | 2018-05-12 | TCO18 Poland | 1 | 29 | 28.90 | -0.00 | 5 | 2107 | 2980 | 25 | 754 | 3878 |
| 4 | 2018-05-03 | 2018 TCO 1B | 1 | 247 | 231.64 | -0.09 | -8 | 2102 | 3171 | -37 | 729 | 4163 |
| 3 | 2018-02-10 | SRM 729 | 2 | 144 | 257.99 | 0.84 | 151 | 2110 | 3391 | 43 | 766 | 4436 |
| 2 | 2017-12-19 | SRM 726 | 2 | 115 | 134.08 | -0.21 | -25 | 1959 | 4559 | -116 | 723 | 4777 |
| 1 | 2017-09-02 | TCO17 Warsaw | 1 | 33 | 28.85 | -0.19 | -45 | 1984 | 4400 | -361 | 839 | 4375 |