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 |
|---|---|---|---|
| qbxacm | 4 | 2125 | 1128 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.057 | 0.504 | 0.606 | 107.0 | -195 | 152 | 1378 | 1128 | 3650 |
| initial | 0.536 | 0.712 | 1.013 | 85.7 | -38 | 231 | 1501 | 1458 | 4322 |
| SRMFix | 0.270 | 0.904 | 1.112 | 149.5 | -121 | 374 | 1655 | 1512 | 3966 |
| EloSRM | 0.197 | 1.032 | 1.250 | 183.1 | -69 | 472 | 2233 | 2125 | 3296 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2009-06-23 | SRM 443 | 2 | 347 | 128.32 | -1.44 | -69 | 2125 | 3296 | -55 | 1128 | 3650 |
| 3 | 2009-06-13 | SRM 442 | 1 | 581 | 512.44 | -0.24 | -39 | 2193 | 2890 | -195 | 1183 | 3212 |
| 2 | 2009-05-27 | SRM 441 | 1 | 355 | 496.39 | 0.48 | 153 | 2233 | 2693 | 26 | 1378 | 1937 |
| 1 | 2009-05-12 | SRM 440 | 2 | 167 | 656.90 | 1.98 | 472 | 2080 | 3574 | 152 | 1352 | 2212 |