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 |
|---|---|---|---|
| lerry | 49 | 2352 | 1315 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | 0.302 | 0.666 | 0.961 | 27.7 | -45 | 68 | 2237 | 2229 | 2060 |
| SRMFix | 0.328 | 0.674 | 0.973 | 35.3 | -89 | 129 | 1895 | 1883 | 2016 |
| EloSRM | 0.337 | 0.680 | 0.975 | 27.6 | -41 | 69 | 2358 | 2352 | 2127 |
| initial | 0.164 | 0.697 | 0.944 | 84.0 | -229 | 408 | 2322 | 2149 | 1813 |
| SRM | 0.521 | 0.810 | 1.180 | 61.2 | -279 | 140 | 1462 | 1315 | 2458 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 49 | 2009-05-12 | SRM 440 | 1 | 408 | 446.23 | -0.22 | -6 | 2352 | 2127 | -41 | 1315 | 2458 |
| 48 | 2009-03-11 | SRM 436 | 1 | 412 | 521.64 | 0.34 | 15 | 2358 | 2105 | 37 | 1356 | 2308 |
| 47 | 2009-03-07 | TCO09 Round 1 | 1 | 985 | 1,051.76 | 0.10 | 6 | 2343 | 2168 | 6 | 1319 | 2563 |
| 46 | 2009-02-24 | TCO09 Qual 1 | 1 | 351 | 589.87 | 0.75 | 26 | 2336 | 2094 | 64 | 1313 | 2533 |
| 45 | 2009-01-06 | SRM 432 | 1 | 400 | 400.18 | -0.19 | -5 | 2310 | 2289 | -51 | 1249 | 3122 |
| 44 | 2008-12-23 | SRM 431 | 1 | 455 | 364.30 | -0.36 | -11 | 2315 | 2260 | -150 | 1300 | 2751 |
| 43 | 2008-12-14 | TC China 08 - Finals | 1 | 178 | 147.44 | -0.27 | -4 | 2326 | 2188 | -12 | 1450 | 1754 |
| 42 | 2008-12-04 | TC China 08 - 1C | 1 | 49 | 54.37 | 0.15 | 8 | 2330 | 2162 | 10 | 1462 | 1671 |
| 41 | 2008-12-02 | SRM 428 | 1 | 266 | 482.96 | 0.86 | 35 | 2322 | 2207 | 72 | 1452 | 1743 |
| 40 | 2008-11-25 | SRM 427 | 1 | 246 | 383.20 | 0.64 | 29 | 2287 | 2334 | 52 | 1380 | 2165 |
| 39 | 2008-11-22 | SRM 426 | 1 | 487 | 516.78 | 0.09 | 7 | 2259 | 2445 | -23 | 1328 | 2505 |
| 38 | 2008-11-12 | SRM 425 | 1 | 470 | 532.22 | 0.18 | 12 | 2252 | 2476 | -13 | 1351 | 2359 |
| 37 | 2008-11-06 | SRM 424 | 1 | 283 | 461.24 | 0.70 | 37 | 2240 | 2511 | 55 | 1364 | 2247 |
| 36 | 2008-10-02 | SRM 420 | 1 | 500 | 490.43 | -0.03 | 1 | 2203 | 2679 | -64 | 1309 | 2745 |
| 35 | 2008-09-04 | SRM 416 | 1 | 288 | 490.77 | 0.77 | 39 | 2202 | 2658 | 58 | 1373 | 2260 |
| 34 | 2008-06-14 | SRM 405 | 1 | 401 | 533.92 | 0.41 | 20 | 2163 | 2706 | 26 | 1315 | 2692 |
| 33 | 2008-06-08 | College Tour West China | 1 | 41 | 144.31 | 1.82 | 42 | 2143 | 2803 | 131 | 1289 | 2880 |
| 32 | 2008-05-28 | SRM 403 | 1 | 410 | 359.00 | -0.22 | -8 | 2101 | 2994 | -152 | 1158 | 4337 |
| 31 | 2008-05-25 | East China Round 2 | 1 | 39 | 67.18 | 0.78 | 33 | 2109 | 2938 | 74 | 1310 | 2699 |
| 30 | 2008-05-03 | East China Round 1 | 1 | 155 | 164.00 | 0.08 | 6 | 2077 | 3038 | 0 | 1236 | 2957 |
| 29 | 2008-04-23 | SRM 399 | 2 | 7 | 137.07 | 4.29 | 57 | 2070 | 3054 | 140 | 1236 | 2740 |
| 28 | 2008-04-15 | SRM 398 | 2 | 79 | 215.75 | 1.45 | 34 | 2014 | 3398 | 67 | 1096 | 3964 |
| 27 | 2008-04-12 | SRM 397 | 2 | 223 | 249.94 | 0.16 | 9 | 1980 | 3633 | 19 | 1029 | 4615 |
| 26 | 2008-03-11 | SRM 393 | 2 | 95 | 263.64 | 1.47 | 36 | 1970 | 3689 | 77 | 1010 | 4848 |
| 25 | 2008-03-06 | SRM 392 | 2 | 324 | 264.82 | -0.29 | -3 | 1935 | 3900 | 0 | 933 | 5563 |
| 24 | 2008-02-26 | SRM 391 | 2 | 386 | 183.37 | -1.07 | -20 | 1938 | 3835 | -63 | 933 | 5493 |
| 23 | 2008-02-16 | TCO08 Round 1 | 1 | 865 | 1,177.72 | 0.06 | 6 | 1958 | 3675 | 30 | 996 | 4891 |
| 22 | 2008-02-05 | TCO08 Qual 1 | 1 | 436 | 680.99 | 0.58 | 31 | 1952 | 3661 | 78 | 966 | 5180 |
| 21 | 2008-02-02 | SRM 390 | 2 | 126 | 291.94 | 1.21 | 38 | 1920 | 3848 | 84 | 888 | 5990 |
| 20 | 2008-01-24 | SRM 389 | 2 | 533 | 231.47 | -1.20 | -27 | 1882 | 4116 | -81 | 804 | 6819 |
| 19 | 2008-01-15 | SRM 388 | 2 | 325 | 248.32 | -0.39 | -7 | 1909 | 3880 | -2 | 885 | 5978 |
| 18 | 2007-12-27 | SRM 385 | 2 | 455 | 212.37 | -1.10 | -24 | 1916 | 3784 | -50 | 887 | 5935 |
| 17 | 2007-12-13 | SRM 383 | 2 | 59 | 180.28 | 1.61 | 52 | 1940 | 3554 | 96 | 937 | 5388 |
| 16 | 2007-12-11 | SRM 382 | 2 | 135 | 205.16 | 0.60 | 28 | 1888 | 3911 | 63 | 841 | 6385 |
| 15 | 2007-12-08 | SRM 381 | 2 | 798 | 271.23 | -1.54 | -41 | 1860 | 4107 | -215 | 778 | 7047 |
| 14 | 2007-12-04 | SRM 380 | 2 | 140 | 224.58 | 0.68 | 36 | 1901 | 3739 | 32 | 993 | 4715 |
| 13 | 2007-11-20 | SRM 378 | 2 | 166 | 299.07 | 0.85 | 44 | 1865 | 3956 | 46 | 961 | 4782 |
| 12 | 2007-11-06 | SRM 374 | 2 | 176 | 318.17 | 0.85 | 48 | 1821 | 4152 | 52 | 915 | 5060 |
| 11 | 2007-10-23 | College Tour SRM 373 | 1 | 31 | 19.84 | -0.64 | -25 | 1773 | 4423 | -17 | 863 | 5433 |
| 10 | 2007-10-17 | SRM 372 | 2 | 391 | 305.56 | -0.36 | -11 | 1798 | 4221 | -25 | 880 | 5230 |
| 9 | 2007-10-13 | SRM 371 | 2 | 187 | 369.33 | 0.98 | 69 | 1810 | 4123 | 64 | 905 | 4876 |
| 8 | 2007-10-09 | SRM 370 | 2 | 225 | 340.90 | 0.60 | 56 | 1740 | 4545 | 40 | 841 | 5474 |
| 7 | 2007-10-04 | SRM 369 | 2 | 158 | ||||||||
| 6 | 2007-10-02 | SRM 368 | 2 | 294 | 375.97 | 0.36 | 46 | 1685 | 4879 | 33 | 801 | 5750 |
| 5 | 2007-09-18 | SRM 366 | 2 | 221 | 294.63 | 0.42 | 61 | 1639 | 5236 | 21 | 768 | 6064 |
| 4 | 2007-09-12 | SRM 365 | 2 | 398 | 501.27 | 0.33 | 64 | 1578 | 5684 | -5 | 747 | 6238 |
| 3 | 2007-07-24 | SRM 360 | 2 | 437 | 503.46 | 0.20 | 52 | 1514 | 5980 | -35 | 752 | 6150 |
| 2 | 2007-07-02 | SRM 356 | 2 | 304 | 331.28 | -0.19 | -26 | 1461 | 6297 | -134 | 787 | 5710 |
| 1 | 2007-06-07 | SRM 353 | 2 | 446 | 517.62 | -0.16 | -23 | 1487 | 5968 | -279 | 921 | 4556 |