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 |
|---|---|---|---|
| nikhilag | 17 | 2945 | 1386 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.307 | 0.649 | 0.875 | 67.7 | -66 | 386 | 2005 | 1907 | 676 |
| EloSRM | 0.256 | 0.663 | 0.880 | 75.8 | -74 | 400 | 3037 | 2945 | 605 |
| Odd | 0.255 | 0.666 | 0.892 | 76.2 | -74 | 430 | 2693 | 2590 | 614 |
| initial | 0.384 | 0.708 | 0.990 | 85.2 | -148 | 274 | 2138 | 1940 | 698 |
| SRM | 0.486 | 0.800 | 1.047 | 94.8 | -286 | 187 | 1575 | 1386 | 830 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 17 | 2021-08-04 | 2021 Regional 1 | 1 | 160 | 132.50 | -0.27 | -15 | 2945 | 605 | -8 | 1386 | 830 |
| 16 | 2021-05-22 | TCO21 Round 2A | 1 | 276 | 205.12 | -0.43 | -26 | 2960 | 616 | -40 | 1394 | 898 |
| 15 | 2021-04-17 | 2021 TCO 1A | 1 | 277 | 109.42 | -1.34 | -52 | 2985 | 634 | -68 | 1434 | 908 |
| 14 | 2021-04-09 | 2021 HF Final | 1 | 26 | ||||||||
| 13 | 2021-03-19 | SRM 802 | 1 | 75 | 77.36 | 0.04 | 11 | 3037 | 542 | 32 | 1502 | 766 |
| 12 | 2021-03-17 | 2021 HF Prelim | 1 | 41 | 41.56 | 0.02 | 12 | 3026 | 557 | 57 | 1470 | 816 |
| 11 | 2021-01-23 | SRM 798 | 1 | 73 | 122.61 | 0.75 | 75 | 3014 | 559 | 124 | 1413 | 891 |
| 10 | 2021-01-09 | SRM 797 | 1 | 199 | 112.15 | -0.84 | -74 | 2939 | 650 | -286 | 1289 | 1239 |
| 9 | 2020-08-18 | TCO20 Round 3B | 1 | 88 | 162.65 | 0.89 | 85 | 3013 | 536 | 100 | 1575 | 558 |
| 8 | 2020-08-01 | TCO20 Round 3A | 1 | 168 | 209.60 | -0.09 | -2 | 2928 | 660 | -21 | 1475 | 746 |
| 7 | 2020-07-18 | TCO20 Parallel 2B | 1 | 59 | 69.09 | 0.23 | 37 | 2930 | 633 | 48 | 1496 | 679 |
| 6 | 2020-07-09 | TCO20 Round 2A | 1 | 122 | 309.36 | 1.34 | 156 | 2893 | 690 | 153 | 1448 | 781 |
| 5 | 2020-05-09 | SRM 785 | 2 | 15 | 43.41 | 1.53 | 95 | 2737 | 1046 | 102 | 1295 | 1367 |
| 4 | 2020-04-24 | SRM 784 | 1 | 257 | 227.45 | -0.28 | -40 | 2642 | 1272 | -165 | 1193 | 1785 |
| 3 | 2020-04-18 | TCO20 Round 1A | 1 | 291 | 458.61 | 0.66 | 123 | 2682 | 1205 | 48 | 1358 | 1142 |
| 2 | 2020-01-16 | SRM 775 | 1 | 83 | 112.84 | -0.01 | 11 | 2559 | 1347 | -77 | 1310 | 1168 |
| 1 | 2020-01-11 | SRM 774 | 2 | 33 | 122.41 | 1.89 | 400 | 2548 | 1364 | 187 | 1387 | 960 |