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 |
|---|---|---|---|
| MathAlex | 7 | 2720 | 1239 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.556 | 0.893 | 1.357 | 137.6 | -245 | 364 | 1564 | 1239 | 1407 |
| SRMFix | 0.521 | 0.915 | 1.331 | 109.2 | -78 | 388 | 1684 | 1684 | 1211 |
| initial | 0.728 | 0.968 | 1.378 | 116.5 | -75 | 350 | 1814 | 1814 | 1005 |
| EloSRM | 0.218 | 1.102 | 1.367 | 146.6 | -103 | 579 | 2720 | 2720 | 1069 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7 | 2021-02-06 | SRM 799 | 2 | 7 | 40.31 | 2.53 | 183 | 2720 | 1069 | 132 | 1239 | 1407 |
| 6 | 2020-04-24 | SRM 784 | 2 | 128 | 69.92 | -0.87 | -33 | 2538 | 1567 | -5 | 1107 | 2096 |
| 5 | 2020-04-18 | TCO20 Round 1A | 1 | 781 | 376.32 | -1.05 | -103 | 2571 | 1489 | -144 | 1112 | 2113 |
| 4 | 2020-03-28 | SRM 782 | 1 | 155 | 180.18 | -0.14 | -17 | 2674 | 1133 | -68 | 1256 | 1406 |
| 3 | 2019-10-10 | SRM 768 | 1 | 132 | 147.90 | 0.16 | 48 | 2691 | 1045 | 5 | 1324 | 1124 |
| 2 | 2019-08-23 | SRM 765 | 2 | 33 | 16.13 | -1.03 | -63 | 2643 | 1149 | -245 | 1319 | 1134 |
| 1 | 2019-08-10 | SRM 764 | 1 | 57 | 216.85 | 1.93 | 579 | 2706 | 1050 | 364 | 1564 | 638 |