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 |
|---|---|---|---|
| lucaspai | 19 | 2944 | 1325 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.378 | 0.581 | 1.019 | 53.9 | -37 | 333 | 2969 | 2944 | 585 |
| SRMFix | 0.396 | 0.584 | 1.064 | 53.4 | -36 | 291 | 1965 | 1924 | 646 |
| Odd | 0.387 | 0.589 | 1.037 | 55.6 | -38 | 361 | 2609 | 2580 | 610 |
| initial | 0.381 | 0.619 | 1.145 | 74.6 | -70 | 528 | 2167 | 2026 | 597 |
| SRM | 0.477 | 0.661 | 1.294 | 91.9 | -322 | 203 | 1516 | 1325 | 927 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 19 | 2021-08-21 | SRM 811 | 1 | 102 | 79.47 | -0.36 | -19 | 2944 | 585 | -88 | 1325 | 927 |
| 18 | 2021-08-04 | 2021 Regional 1 | 1 | 138 | 132.11 | -0.06 | 1 | 2963 | 579 | 19 | 1413 | 767 |
| 17 | 2021-06-02 | TCO21 Parallel 2B | 1 | 32 | 28.98 | -0.14 | -7 | 2962 | 628 | -31 | 1394 | 903 |
| 16 | 2021-05-26 | SRM 806 | 1 | 79 | 100.06 | 0.34 | 26 | 2969 | 610 | 56 | 1425 | 833 |
| 15 | 2021-05-22 | TCO21 Round 2A | 1 | 156 | 227.10 | 0.54 | 39 | 2943 | 638 | 88 | 1369 | 955 |
| 14 | 2021-05-08 | SRM 805 | 1 | 137 | 94.57 | -0.56 | -32 | 2904 | 712 | -212 | 1281 | 1244 |
| 13 | 2021-04-28 | 2021 TCO Parallel 1B | 1 | 33 | 29.73 | -0.15 | -3 | 2936 | 672 | -13 | 1493 | 758 |
| 12 | 2021-04-23 | SRM 804 | 1 | 107 | ||||||||
| 11 | 2021-04-17 | 2021 TCO 1A | 1 | 166 | 135.25 | -0.30 | -8 | 2940 | 689 | -10 | 1506 | 775 |
| 10 | 2021-03-31 | SRM 803 | 1 | 88 | 111.52 | 0.34 | 34 | 2948 | 669 | 37 | 1516 | 741 |
| 9 | 2021-03-19 | SRM 802 | 1 | 55 | 98.73 | 0.84 | 75 | 2914 | 727 | 100 | 1479 | 808 |
| 8 | 2021-02-24 | SRM 801 | 1 | 69 | 120.65 | 0.81 | 83 | 2838 | 851 | 120 | 1379 | 1023 |
| 7 | 2021-02-13 | SRM 800 | 1 | 207 | 250.69 | 0.28 | 40 | 2756 | 1031 | 46 | 1259 | 1401 |
| 6 | 2021-01-23 | SRM 798 | 2 | 3 | 40.87 | 3.77 | 136 | 2715 | 1086 | 203 | 1213 | 1551 |
| 5 | 2021-01-15 | Beginner SRM 2 | 1 | 64 | 49.71 | 0.24 | 36 | 2579 | 1423 | 101 | 1010 | 2355 |
| 4 | 2020-12-23 | SRM 796 | 1 | 147 | 124.25 | -0.25 | -37 | 2543 | 1502 | -322 | 909 | 2776 |
| 3 | 2020-12-12 | SRM 795 | 1 | 83 | 109.28 | -0.01 | 7 | 2580 | 1366 | 7 | 1231 | 1419 |
| 2 | 2020-12-04 | SRM 794 | 1 | 115 | 125.22 | 0.12 | 50 | 2573 | 1385 | -89 | 1224 | 1444 |
| 1 | 2020-11-04 | SRM 793 | 2 | 20 | 50.79 | 1.34 | 333 | 2523 | 1492 | 113 | 1313 | 1115 |