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 |
|---|---|---|---|
| qq270687055 | 4 | 1460 | 499 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | -0.214 | 0.214 | 0.219 | 31.5 | -51 | -16 | 1535 | 1460 | 10315 |
| Odd | -0.223 | 0.223 | 0.226 | 24.5 | -38 | -12 | 1406 | 1346 | 10244 |
| SRMFix | -0.247 | 0.247 | 0.254 | 42.8 | -76 | -24 | 1124 | 1029 | 10488 |
| initial | -0.271 | 0.271 | 0.274 | 32.6 | -39 | -27 | 1163 | 1070 | 10582 |
| SRM | -0.425 | 0.425 | 0.458 | 175.2 | -285 | -75 | 915 | 499 | 10305 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2009-05-27 | SRM 441 | 2 | 727 | 783.47 | -0.17 | -16 | 1460 | 10315 | -75 | 499 | 10305 |
| 3 | 2009-05-12 | SRM 440 | 2 | 728 | 704.30 | -0.24 | -38 | 1476 | 10893 | -106 | 574 | 10745 |
| 2 | 2008-12-12 | TC China 08 - 1E | 1 | 221 | 256.30 | -0.17 | -20 | 1515 | 10752 | -235 | 680 | 11238 |
| 1 | 2008-12-04 | TC China 08 - 1C | 1 | 201 | 214.26 | -0.27 | -51 | 1535 | 10045 | -285 | 915 | 7926 |