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 |
|---|---|---|---|
| georgerapeanu | 4 | 2504 | 1253 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | 0.568 | 0.568 | 0.825 | 131.3 | 39 | 261 | 2229 | 2229 | 1896 |
| EloSRM | 0.579 | 0.579 | 0.839 | 126.6 | 35 | 261 | 2504 | 2504 | 1887 |
| SRMFix | 0.617 | 0.617 | 0.871 | 93.1 | 29 | 244 | 1572 | 1572 | 2111 |
| SRM | 0.449 | 0.679 | 0.827 | 58.2 | -90 | 85 | 1253 | 1253 | 1938 |
| initial | 0.738 | 0.738 | 0.959 | 88.8 | 35 | 216 | 1555 | 1555 | 2059 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2018-01-25 | SRM 728 | 1 | 163 | 203.59 | 0.32 | 96 | 2504 | 1887 | 34 | 1253 | 1938 |
| 3 | 2017-09-26 | SRM 721 | 2 | 65 | 68.25 | 0.07 | 35 | 2409 | 2368 | 24 | 1219 | 2309 |
| 2 | 2017-06-30 | SRM 717 | 2 | 57 | 174.67 | 1.62 | 261 | 2374 | 2667 | 85 | 1195 | 2596 |
| 1 | 2017-01-21 | SRM 706 | 2 | 197 | 244.40 | 0.31 | 115 | 2113 | 4443 | -90 | 1110 | 3423 |