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 |
|---|---|---|---|
| weiqizheng | 42 | 2548 | 1412 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.203 | 0.767 | 1.033 | 92.3 | -144 | 454 | 2462 | 2227 | 2249 |
| EloSRM | 0.269 | 0.796 | 1.030 | 48.6 | -82 | 365 | 2548 | 2548 | 2516 |
| Odd | 0.251 | 0.800 | 1.030 | 48.1 | -75 | 375 | 2417 | 2372 | 2529 |
| SRMFix | 0.237 | 0.801 | 1.050 | 49.7 | -93 | 268 | 2139 | 2001 | 2081 |
| SRM | 0.459 | 0.852 | 1.241 | 80.3 | -257 | 156 | 1663 | 1412 | 2283 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 42 | 2012-03-03 | SRM 535 | 1 | 213 | 670.51 | 1.65 | 104 | 2548 | 2516 | 122 | 1412 | 2283 |
| 41 | 2012-02-18 | SRM 533 | 1 | 517 | 593.97 | -0.17 | -10 | 2443 | 3082 | -35 | 1290 | 3221 |
| 40 | 2011-05-24 | TCO11 Qual 3 | 1 | 327 | 328.68 | 0.01 | 7 | 2453 | 2508 | 15 | 1325 | 2644 |
| 39 | 2011-05-19 | TCO11 Qual 2 | 1 | 774 | 481.20 | -0.69 | -32 | 2446 | 2536 | -46 | 1310 | 2728 |
| 38 | 2011-03-08 | SRM 499 | 1 | 567 | 515.03 | -0.14 | -6 | 2478 | 2184 | -36 | 1356 | 2276 |
| 37 | 2010-11-13 | SRM 487 | 1 | 489 | 492.68 | -0.28 | -22 | 2484 | 1981 | -63 | 1392 | 1932 |
| 36 | 2008-06-08 | College Tour West China | 1 | 98 | 59.60 | -0.72 | -21 | 2506 | 1273 | 23 | 1455 | 1679 |
| 35 | 2008-03-06 | SRM 392 | 1 | 155 | 383.64 | 1.31 | 52 | 2526 | 1146 | 145 | 1432 | 1614 |
| 34 | 2008-02-26 | SRM 391 | 1 | 429 | 262.60 | -0.72 | -26 | 2474 | 1286 | -192 | 1287 | 2399 |
| 33 | 2008-02-09 | TCO08 Qual 2 | 1 | 684 | 318.00 | -1.10 | -28 | 2500 | 1166 | -57 | 1479 | 1409 |
| 32 | 2008-01-05 | SRM 386 | 1 | 358 | 288.59 | -0.31 | -8 | 2528 | 1013 | -17 | 1536 | 1201 |
| 31 | 2007-12-27 | SRM 385 | 1 | 304 | 284.47 | -0.10 | 1 | 2536 | 981 | 4 | 1553 | 1136 |
| 30 | 2007-11-20 | SRM 378 | 1 | 189 | 292.16 | 0.63 | 32 | 2535 | 945 | 69 | 1549 | 1128 |
| 29 | 2007-09-04 | SRM 364 | 1 | 468 | 284.19 | -0.78 | -25 | 2503 | 964 | -183 | 1480 | 1227 |
| 28 | 2007-09-01 | TCCC07 Round 1C | 1 | 101 | 191.17 | 0.92 | 40 | 2527 | 883 | 69 | 1663 | 783 |
| 27 | 2007-08-18 | TCCC07 Qual 1 | 1 | 206 | 228.80 | 0.15 | 11 | 2488 | 982 | 22 | 1594 | 911 |
| 26 | 2007-04-14 | TCO07 Round 2 | 1 | 500 | 493.85 | -0.32 | -8 | 2476 | 870 | -69 | 1572 | 910 |
| 25 | 2007-04-07 | TCO07 Round 1A | 1 | 113 | 327.68 | 1.54 | 46 | 2485 | 840 | 114 | 1641 | 772 |
| 24 | 2007-03-31 | TCO07 Qual 2 | 1 | 160 | 279.48 | 0.80 | 26 | 2438 | 930 | 70 | 1527 | 1013 |
| 23 | 2007-03-28 | SRM 344 | 1 | 362 | 301.97 | -0.50 | -14 | 2412 | 961 | -81 | 1457 | 1143 |
| 22 | 2007-03-14 | SRM 342 | 1 | 313 | 195.97 | -0.68 | -19 | 2426 | 917 | -111 | 1538 | 944 |
| 21 | 2007-03-10 | SRM 341 | 1 | 183 | 302.90 | 0.73 | 32 | 2446 | 867 | 52 | 1649 | 708 |
| 20 | 2007-02-20 | SRM 340 | 1 | 211 | 300.29 | 0.51 | 25 | 2414 | 964 | 41 | 1597 | 844 |
| 19 | 2007-02-14 | SRM 339 | 1 | 223 | 239.94 | 0.11 | 9 | 2388 | 1002 | 4 | 1556 | 948 |
| 18 | 2007-02-07 | SRM 338 | 1 | 252 | 232.80 | -0.11 | -1 | 2379 | 1021 | -21 | 1552 | 946 |
| 17 | 2007-02-03 | SRM 337 | 1 | 74 | 318.56 | 2.11 | 87 | 2380 | 1005 | 156 | 1573 | 885 |
| 16 | 2007-01-17 | SRM 335 | 1 | 106 | 352.83 | 1.74 | 84 | 2293 | 1230 | 152 | 1417 | 1326 |
| 15 | 2007-01-13 | SRM 334 | 1 | 315 | 345.50 | -0.15 | -5 | 2209 | 1479 | -38 | 1265 | 2058 |
| 14 | 2006-12-21 | SRM 331 | 2 | 12 | 45.02 | 1.91 | 46 | 2214 | 1421 | 125 | 1303 | 1785 |
| 13 | 2006-12-13 | SRM 330 | 1 | 365 | 265.71 | -0.46 | -25 | 2168 | 1582 | -257 | 1178 | 2602 |
| 12 | 2006-12-09 | SRM 329 | 1 | 308 | 357.45 | 0.22 | 21 | 2193 | 1475 | -3 | 1435 | 1241 |
| 11 | 2006-11-29 | SRM 328 | 1 | 120 | 324.25 | 1.43 | 100 | 2172 | 1534 | 124 | 1438 | 1227 |
| 10 | 2006-11-22 | SRM 327 | 1 | 149 | 264.36 | 0.23 | 27 | 2072 | 1898 | 39 | 1314 | 1730 |
| 9 | 2006-11-11 | SRM 326 | 2 | 11 | 103.69 | 3.24 | 98 | 2045 | 2015 | 127 | 1275 | 1944 |
| 8 | 2006-11-02 | SRM 325 | 2 | 163 | 96.44 | -0.76 | -23 | 1947 | 2434 | -20 | 1148 | 2755 |
| 7 | 2006-10-25 | SRM 324 | 2 | 139 | 95.23 | -0.55 | -15 | 1970 | 2308 | 0 | 1168 | 2575 |
| 6 | 2006-10-19 | SRM 323 | 2 | 182 | 78.75 | -1.21 | -43 | 1985 | 2218 | -24 | 1168 | 2560 |
| 5 | 2006-09-30 | SRM 320 | 2 | 59 | 105.62 | 0.84 | 66 | 2028 | 1978 | 106 | 1192 | 2411 |
| 4 | 2006-09-21 | TCCC06 Round 1A | 1 | 399 | 251.11 | -0.75 | -82 | 1962 | 2205 | -222 | 1086 | 3065 |
| 3 | 2006-09-07 | TCCC06 Qual 1 | 1 | 391 | 263.34 | -0.57 | -67 | 2044 | 1803 | -106 | 1308 | 1614 |
| 2 | 2006-08-29 | SRM 318 | 1 | 209 | 389.02 | 0.90 | 278 | 2111 | 1560 | 140 | 1414 | 1177 |
| 1 | 2006-08-03 | SRM 314 | 2 | 98 | 261.56 | 1.42 | 365 | 1833 | 2789 | 74 | 1274 | 1856 |