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 |
|---|---|---|---|
| david89 | 27 | 2477 | 1257 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.248 | 0.604 | 0.973 | 51.0 | -55 | 429 | 2496 | 2477 | 2780 |
| Odd | 0.254 | 0.607 | 0.973 | 49.0 | -38 | 416 | 2330 | 2304 | 2796 |
| SRMFix | 0.266 | 0.641 | 1.003 | 48.7 | -86 | 351 | 1905 | 1818 | 3082 |
| initial | 0.228 | 0.696 | 1.101 | 83.8 | -380 | 369 | 2274 | 1943 | 3082 |
| SRM | 0.426 | 0.736 | 1.092 | 71.4 | -339 | 171 | 1393 | 1257 | 3447 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 27 | 2011-12-23 | SRM 526.5 | 1 | 487 | 431.16 | -0.32 | -14 | 2477 | 2780 | -73 | 1257 | 3447 |
| 26 | 2011-12-17 | SRM 527 | 1 | 438 | 612.64 | 0.48 | 36 | 2491 | 2683 | 54 | 1330 | 2814 |
| 25 | 2011-12-06 | SRM 526 | 1 | 279 | 369.40 | 0.40 | 35 | 2455 | 2873 | 47 | 1276 | 3239 |
| 24 | 2011-11-29 | SRM 525 | 2 | 132 | 123.84 | -0.09 | 7 | 2419 | 3094 | 43 | 1229 | 3681 |
| 23 | 2011-11-17 | SRM 524 | 2 | 271 | 84.80 | -1.68 | -40 | 2413 | 3117 | -11 | 1186 | 4091 |
| 22 | 2011-10-25 | SRM 522 | 1 | 520 | 382.80 | -0.48 | -38 | 2453 | 2814 | -148 | 1197 | 3963 |
| 21 | 2011-04-07 | SRM 502 | 1 | 389 | 350.30 | -0.15 | -5 | 2491 | 2174 | -24 | 1345 | 2396 |
| 20 | 2011-01-22 | Member SRM 494 | 1 | 417 | 490.33 | 0.23 | 23 | 2496 | 2028 | 29 | 1369 | 2152 |
| 19 | 2010-11-13 | SRM 487 | 1 | 489 | 500.90 | -0.26 | -12 | 2473 | 2032 | -53 | 1340 | 2226 |
| 18 | 2010-09-25 | SRM 483 | 1 | 180 | 500.13 | 1.47 | 86 | 2485 | 1942 | 146 | 1393 | 1893 |
| 17 | 2010-09-09 | SRM 481 | 1 | 388 | 451.26 | -0.16 | -7 | 2399 | 2296 | -12 | 1247 | 2820 |
| 16 | 2010-08-26 | SRM 480 | 1 | 359 | 367.27 | 0.03 | 8 | 2406 | 2234 | 12 | 1259 | 2675 |
| 15 | 2010-08-14 | SRM 479 | 1 | 392 | 467.17 | -0.11 | -4 | 2397 | 2268 | -9 | 1247 | 2778 |
| 14 | 2010-07-17 | SRM 476 | 1 | 590 | 522.40 | -0.31 | -21 | 2401 | 2217 | -93 | 1256 | 2688 |
| 13 | 2010-06-05 | SRM 472 | 1 | 393 | 519.08 | 0.40 | 43 | 2423 | 2065 | 45 | 1349 | 2114 |
| 12 | 2010-05-20 | SRM 470 | 1 | 341 | 601.37 | 0.82 | 86 | 2380 | 2178 | 103 | 1304 | 2287 |
| 11 | 2010-05-04 | SRM 469 | 2 | 24 | 208.97 | 3.12 | 121 | 2294 | 2508 | 119 | 1201 | 3024 |
| 10 | 2010-05-02 | TCO10 Qual 1 | 1 | 661 | 561.03 | -0.24 | -21 | 2173 | 3071 | -36 | 1082 | 3853 |
| 9 | 2010-04-15 | SRM 467 | 2 | 122 | 144.87 | 0.25 | 38 | 2194 | 2901 | 30 | 1118 | 3539 |
| 8 | 2009-12-17 | Member SRM 455 | 2 | 152 | 229.98 | 0.60 | 65 | 2156 | 3199 | 47 | 1088 | 3892 |
| 7 | 2009-05-12 | SRM 440 | 2 | 207 | 221.68 | 0.10 | 19 | 2091 | 3512 | 38 | 1041 | 4984 |
| 6 | 2009-04-19 | SRM 438 | 2 | 320 | 316.74 | -0.73 | -30 | 2072 | 3602 | -93 | 1003 | 6256 |
| 5 | 2009-03-11 | SRM 436 | 2 | 183 | 212.41 | 0.22 | 31 | 2102 | 3437 | 26 | 1096 | 5299 |
| 4 | 2009-02-28 | TCO09 Qual 2 | 1 | 590 | 924.20 | 0.65 | 99 | 2072 | 3522 | 82 | 1070 | 5444 |
| 3 | 2009-02-24 | TCO09 Qual 1 | 1 | 918 | 889.43 | -0.05 | 3 | 1972 | 4186 | -44 | 988 | 6837 |
| 2 | 2009-02-12 | SRM 435 | 2 | 74 | 489.78 | 2.73 | 429 | 1970 | 4344 | 171 | 1032 | 5911 |
| 1 | 2009-02-07 | SRM 434 | 2 | 615 | 619.09 | -0.26 | -55 | 1541 | 10118 | -339 | 861 | 8790 |