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 |
|---|---|---|---|
| Alekhine | 4 | 2412 | 586 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.430 | 0.945 | 1.120 | 168.5 | -136 | 397 | 2548 | 2412 | 1704 |
| SRMFix | 0.421 | 0.962 | 1.142 | 155.7 | -102 | 380 | 1664 | 1562 | 1506 |
| Odd | 0.446 | 0.968 | 1.155 | 173.4 | -131 | 425 | 2247 | 2116 | 1719 |
| initial | 0.630 | 1.071 | 1.278 | 129.0 | -97 | 230 | 1600 | 1503 | 1542 |
| SRM | 0.541 | 1.105 | 1.259 | 312.5 | -503 | 192 | 1392 | 586 | 3919 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2019-06-04 | TCO19 Fun Round 2B | 1 | 88 | 48.86 | -0.85 | -136 | 2412 | 1704 | -429 | 586 | 3919 |
| 3 | 2019-02-02 | TCO19 SRM 749 | 2 | 22 | 40.52 | 0.88 | 96 | 2548 | 1311 | 126 | 1015 | 2148 |
| 2 | 2019-01-19 | TCO19 SRM 747 | 1 | 154 | 136.23 | -0.18 | -44 | 2452 | 1528 | -503 | 889 | 2731 |
| 1 | 2019-01-15 | TCO19 SRM 746 | 2 | 23 | 83.91 | 1.87 | 397 | 2496 | 1407 | 192 | 1392 | 951 |