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 |
|---|---|---|---|
| Kostroma | 68 | 3712 | 2480 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.529 | 1.039 | 1.569 | 45.5 | -107 | 387 | 2886 | 2808 | 82 |
| EloSRM | 0.519 | 1.043 | 1.554 | 46.2 | -75 | 378 | 3791 | 3712 | 94 |
| SRM | 0.616 | 1.044 | 1.607 | 67.6 | -167 | 253 | 2596 | 2480 | 74 |
| initial | 0.216 | 1.148 | 1.652 | 138.2 | -517 | 880 | 3707 | 2971 | 112 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 68 | 2020-08-18 | TCO20 Round 3B | 1 | 71 | 34.52 | -1.04 | -26 | 3712 | 94 | -47 | 2480 | 74 |
| 67 | 2020-07-09 | TCO20 Round 2A | 1 | 135 | 39.97 | -1.76 | -53 | 3738 | 90 | -69 | 2527 | 76 |
| 66 | 2019-06-04 | TCO19 Round 2B | 1 | 2 | 43.21 | 4.43 | 96 | 3791 | 89 | 161 | 2596 | 76 |
| 65 | 2019-04-15 | TCO19 SRM 755 | 1 | 17 | 23.88 | 0.49 | 30 | 3695 | 112 | 25 | 2435 | 118 |
| 64 | 2018-10-10 | TCO 19 SRM 739 | 1 | 43 | 33.66 | -0.35 | -9 | 3665 | 131 | -17 | 2410 | 133 |
| 63 | 2018-06-02 | 2018 TCO 2A | 1 | 152 | 87.32 | -0.80 | -21 | 3674 | 121 | -46 | 2427 | 117 |
| 62 | 2018-02-20 | SRM 730 | 1 | 51 | 27.87 | -0.87 | -18 | 3695 | 114 | -35 | 2473 | 113 |
| 61 | 2017-12-19 | SRM 726 | 1 | 5 | 10.88 | 1.12 | 33 | 3713 | 106 | 49 | 2508 | 104 |
| 60 | 2017-09-09 | TCO17 New 3B | 1 | 55 | 57.68 | 0.07 | 6 | 3680 | 114 | 1 | 2459 | 116 |
| 59 | 2017-09-02 | Fun SRM 2017-09-02 | 1 | 10 | 8.30 | -0.27 | -2 | 3673 | 117 | -10 | 2458 | 110 |
| 58 | 2017-08-24 | SRM 720 | 1 | 37 | 36.87 | -0.00 | 5 | 3675 | 114 | 14 | 2468 | 112 |
| 57 | 2017-08-05 | TCO17 Round 3A | 1 | 23 | 61.12 | 1.41 | 57 | 3670 | 118 | 103 | 2454 | 114 |
| 56 | 2017-07-08 | TCO17 Round 2B | 1 | 9 | 77.87 | 3.11 | 80 | 3613 | 146 | 147 | 2351 | 156 |
| 55 | 2017-05-20 | TCO17 Round 2A | 1 | 120 | 111.01 | -0.11 | 1 | 3534 | 205 | 13 | 2204 | 239 |
| 54 | 2017-04-18 | SRM 712 | 1 | 21 | 56.92 | 1.44 | 55 | 3533 | 200 | 82 | 2191 | 248 |
| 53 | 2017-03-09 | SRM 710 | 1 | 42 | 108.23 | -0.26 | -5 | 3478 | 239 | -96 | 2109 | 283 |
| 52 | 2016-09-17 | SRM 698 (Google) | 1 | 12 | 84.46 | 2.82 | 77 | 3483 | 237 | 119 | 2205 | 249 |
| 51 | 2016-06-18 | 2016 TCO Algo 2C | 1 | 53 | 126.27 | 1.25 | 43 | 3406 | 315 | 75 | 2086 | 340 |
| 50 | 2016-05-26 | 2016 TCO Algo 2B | 1 | 139 | 343.32 | -0.20 | -2 | 3363 | 369 | -104 | 2011 | 425 |
| 49 | 2016-05-12 | 2016 TCO Algo 2A | 1 | 165 | 183.90 | 0.13 | 12 | 3366 | 361 | 13 | 2115 | 336 |
| 48 | 2016-01-20 | SRM 679 | 1 | 92 | 93.93 | 0.03 | 6 | 3354 | 344 | 16 | 2102 | 342 |
| 47 | 2015-12-18 | SRM 676 | 1 | 129 | 88.96 | -0.54 | -12 | 3348 | 348 | -16 | 2086 | 362 |
| 46 | 2015-10-14 | SRM 671 | 1 | 12 | 112.48 | 3.23 | 66 | 3360 | 339 | 146 | 2102 | 349 |
| 45 | 2015-10-10 | SRM 670 | 1 | 155 | 137.13 | -0.18 | -1 | 3294 | 423 | 14 | 1956 | 521 |
| 44 | 2015-08-22 | 2015 TCO 2D | 1 | 157 | 114.84 | -0.45 | -9 | 3295 | 412 | -5 | 1942 | 548 |
| 43 | 2015-07-18 | 2015 TCO 2C | 1 | 188 | 255.39 | -0.46 | -10 | 3304 | 403 | -103 | 1947 | 556 |
| 42 | 2015-06-20 | 2015 TCO 2B | 1 | 102 | 148.69 | 0.54 | 24 | 3314 | 399 | 53 | 2050 | 453 |
| 41 | 2015-06-04 | SRM 660 | 1 | 50 | 119.90 | 1.26 | 43 | 3289 | 453 | 86 | 1997 | 543 |
| 40 | 2015-05-31 | 2015 TCO 2A | 1 | 389 | 428.43 | -0.59 | -18 | 3246 | 538 | -126 | 1911 | 688 |
| 39 | 2015-04-17 | SRM 656 | 1 | 156 | 112.28 | -0.47 | -11 | 3264 | 500 | -9 | 2037 | 511 |
| 38 | 2015-03-17 | SRM 653 | 1 | 17 | 151.11 | 3.15 | 98 | 3275 | 453 | 156 | 2046 | 493 |
| 37 | 2015-02-02 | SRM 648 | 1 | 247 | 130.85 | -0.92 | -29 | 3178 | 687 | -47 | 1890 | 761 |
| 36 | 2014-12-27 | SRM 643 | 1 | 310 | 133.14 | -1.26 | -42 | 3207 | 590 | -82 | 1937 | 671 |
| 35 | 2014-11-28 | SRM 639 | 1 | 52 | 139.14 | 1.42 | 72 | 3249 | 479 | 79 | 2019 | 528 |
| 34 | 2014-08-30 | SRM 631 | 1 | 121 | 196.48 | 0.70 | 45 | 3178 | 644 | 51 | 1940 | 669 |
| 33 | 2014-04-12 | TCO14 Round 1A | 1 | 623 | 240.08 | -1.38 | -35 | 3133 | 693 | -44 | 1889 | 766 |
| 32 | 2014-02-03 | SRM 607 | 1 | 83 | 206.51 | 1.32 | 60 | 3168 | 585 | 91 | 1933 | 692 |
| 31 | 2014-01-11 | SRM 604 | 1 | 513 | 327.79 | -1.01 | -38 | 3108 | 729 | -147 | 1842 | 856 |
| 30 | 2013-12-14 | SRM 600 | 1 | 147 | 308.75 | 1.07 | 66 | 3146 | 610 | 57 | 1989 | 580 |
| 29 | 2013-03-25 | SRM 574 | 1 | 447 | 196.72 | -1.18 | -29 | 3079 | 652 | -76 | 1932 | 674 |
| 28 | 2013-03-06 | SRM 572 | 1 | 152 | 167.50 | 0.14 | 12 | 3108 | 573 | 8 | 2008 | 551 |
| 27 | 2013-02-19 | SRM 571 | 1 | 134 | 215.78 | 0.68 | 32 | 3096 | 570 | 38 | 2000 | 531 |
| 26 | 2013-01-29 | SRM 568 | 1 | 153 | 216.74 | 0.50 | 28 | 3064 | 637 | 32 | 1962 | 580 |
| 25 | 2012-12-20 | SRM 565 | 1 | 369 | 218.08 | -0.76 | -24 | 3036 | 679 | -63 | 1930 | 628 |
| 24 | 2012-11-20 | SRM 561 | 1 | 40 | 204.12 | 2.35 | 83 | 3060 | 616 | 114 | 1993 | 531 |
| 23 | 2012-10-10 | SRM 557 | 1 | 203 | 256.00 | 0.34 | 22 | 2978 | 785 | 18 | 1879 | 696 |
| 22 | 2012-09-01 | SRM 554 | 1 | 278 | 283.69 | 0.03 | 8 | 2955 | 847 | -1 | 1861 | 725 |
| 21 | 2012-06-07 | SRM 545 | 1 | 341 | 278.99 | -0.29 | -6 | 2947 | 860 | -24 | 1862 | 730 |
| 20 | 2012-05-29 | SRM 544 | 1 | 45 | 244.71 | 2.44 | 84 | 2953 | 829 | 137 | 1886 | 683 |
| 19 | 2012-05-19 | SRM 543 | 1 | 174 | 399.66 | 1.20 | 57 | 2869 | 1113 | 80 | 1749 | 991 |
| 18 | 2012-03-20 | SRM 538 | 1 | 281 | 342.00 | 0.28 | 19 | 2812 | 1186 | 28 | 1669 | 1146 |
| 17 | 2012-03-17 | SRM 537 | 1 | 272 | 474.96 | 0.80 | 45 | 2792 | 1271 | 69 | 1641 | 1250 |
| 16 | 2012-02-23 | SRM 534 | 1 | 392 | 314.68 | -0.32 | -10 | 2748 | 1440 | -26 | 1572 | 1484 |
| 15 | 2012-02-09 | SRM 532 | 1 | 383 | 365.55 | -0.11 | 0 | 2758 | 1360 | -7 | 1598 | 1384 |
| 14 | 2012-01-31 | SRM 531 | 1 | 150 | 439.99 | 1.55 | 86 | 2758 | 1348 | 126 | 1605 | 1352 |
| 13 | 2012-01-19 | SRM 530 | 1 | 136 | 381.55 | 1.49 | 97 | 2672 | 1745 | 132 | 1479 | 1892 |
| 12 | 2012-01-14 | SRM 529 | 1 | 539 | 526.21 | -0.04 | 5 | 2575 | 2245 | -5 | 1347 | 2681 |
| 11 | 2011-12-23 | SRM 526.5 | 1 | 487 | 381.80 | -0.49 | -33 | 2570 | 2247 | -111 | 1352 | 2660 |
| 10 | 2011-10-25 | SRM 522 | 1 | 379 | 320.28 | -0.24 | -12 | 2603 | 1982 | -41 | 1463 | 1918 |
| 9 | 2011-10-04 | SRM 520 | 1 | 177 | 585.08 | 1.72 | 150 | 2615 | 1864 | 146 | 1504 | 1688 |
| 8 | 2011-08-30 | SRM 516 | 1 | 455 | 506.42 | 0.15 | 27 | 2465 | 2579 | -6 | 1358 | 2435 |
| 7 | 2011-08-09 | SRM 514 | 1 | 244 | 454.76 | 0.89 | 124 | 2439 | 2710 | 83 | 1364 | 2379 |
| 6 | 2011-05-17 | SRM 504.5 | 2 | 3 | 406.31 | 7.08 | 235 | 2315 | 3249 | 253 | 1281 | 2914 |
| 5 | 2011-04-07 | SRM 502 | 2 | 294 | 213.94 | -0.46 | -20 | 2080 | 4781 | -25 | 1028 | 5086 |
| 4 | 2011-03-30 | Member SRM 501 | 2 | 175 | 370.00 | 1.08 | 111 | 2100 | 4623 | 82 | 1053 | 4834 |
| 3 | 2011-03-19 | SRM 500 | 2 | 695 | 360.85 | -0.95 | -75 | 1989 | 5480 | -105 | 971 | 5582 |
| 2 | 2011-02-26 | SRM 498 | 1 | 639 | 669.83 | -0.05 | -10 | 2064 | 4775 | -167 | 1076 | 4494 |
| 1 | 2011-02-01 | SRM 496 | 2 | 249 | 648.07 | 1.38 | 378 | 2074 | 4694 | 43 | 1243 | 3070 |