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 |
|---|---|---|---|
| busycai | 20 | 2346 | 1248 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.355 | 0.597 | 1.033 | 71.9 | -94 | 387 | 2109 | 2055 | 2101 |
| SRM | 0.283 | 0.619 | 0.924 | 67.8 | -253 | 251 | 1451 | 1248 | 2749 |
| SRMFix | 0.284 | 0.655 | 1.057 | 68.3 | -132 | 562 | 1839 | 1816 | 2362 |
| EloSRM | 0.220 | 0.656 | 1.063 | 66.6 | -77 | 691 | 2365 | 2346 | 2243 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 20 | 2009-09-23 | SRM 449 | 1 | 541 | 554.67 | -0.23 | -10 | 2346 | 2243 | -37 | 1248 | 2749 |
| 19 | 2009-09-10 | SRM 448 | 1 | 444 | 476.46 | -0.20 | -9 | 2356 | 2171 | -39 | 1285 | 2486 |
| 18 | 2009-07-23 | SRM 445 | 1 | 368 | 484.12 | -0.04 | 2 | 2365 | 2096 | -4 | 1324 | 2209 |
| 17 | 2009-07-08 | SRM 444 | 1 | 334 | 516.45 | 0.63 | 46 | 2364 | 2095 | 84 | 1328 | 2201 |
| 16 | 2009-05-27 | SRM 441 | 1 | 439 | 412.18 | -0.26 | -13 | 2317 | 2271 | -73 | 1244 | 2759 |
| 15 | 2009-05-12 | SRM 440 | 1 | 408 | 451.20 | -0.20 | -10 | 2331 | 2213 | -45 | 1317 | 2441 |
| 14 | 2009-03-24 | SRM 437 | 1 | 369 | 498.09 | 0.00 | 5 | 2340 | 2189 | -5 | 1362 | 2268 |
| 13 | 2009-03-11 | SRM 436 | 1 | 385 | 545.16 | 0.50 | 42 | 2336 | 2204 | 58 | 1367 | 2222 |
| 12 | 2009-03-07 | TCO09 Round 1 | 1 | 789 | 1,147.24 | 0.54 | 47 | 2294 | 2379 | 68 | 1309 | 2632 |
| 11 | 2009-03-04 | TCO09 Qual 3 | 1 | 213 | 440.13 | 1.05 | 65 | 2247 | 2595 | 83 | 1241 | 3166 |
| 10 | 2009-02-24 | TCO09 Qual 1 | 1 | 959 | 674.69 | -0.51 | -33 | 2182 | 2800 | -83 | 1158 | 4082 |
| 9 | 2009-02-12 | SRM 435 | 1 | 380 | 440.74 | 0.21 | 31 | 2215 | 2741 | 14 | 1241 | 3158 |
| 8 | 2009-01-06 | SRM 432 | 2 | 30 | 169.26 | 2.50 | 107 | 2184 | 2940 | 100 | 1227 | 3329 |
| 7 | 2008-12-14 | TC China 08 - Finals | 1 | 235 | 228.21 | -0.04 | 5 | 2077 | 3533 | 28 | 1127 | 4536 |
| 6 | 2008-12-11 | SRM 429 | 2 | 254 | 213.74 | -0.25 | -3 | 2072 | 3574 | -7 | 1099 | 5409 |
| 5 | 2008-12-04 | TC China 08 - 1C | 1 | 87 | 89.02 | 0.03 | 17 | 2075 | 3510 | 16 | 1106 | 5379 |
| 4 | 2008-12-02 | SRM 428 | 2 | 408 | 159.08 | -1.36 | -77 | 2058 | 3642 | -83 | 1090 | 5552 |
| 3 | 2008-11-25 | SRM 427 | 2 | 216 | 108.50 | -1.00 | -66 | 2135 | 3148 | -25 | 1173 | 3845 |
| 2 | 2008-07-31 | SRM 412 | 1 | 500 | 439.86 | -0.26 | -53 | 2201 | 2611 | -253 | 1198 | 3744 |
| 1 | 2008-06-17 | SRM 406 | 2 | 43 | 422.76 | 3.30 | 691 | 2254 | 2249 | 251 | 1451 | 1711 |