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 |
|---|---|---|---|
| rose729 | 4 | 1746 | 784 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.074 | 0.528 | 0.565 | 63.5 | -69 | 101 | 1276 | 1236 | 6439 |
| SRMFix | 0.014 | 0.553 | 0.590 | 84.7 | -113 | 105 | 1276 | 1224 | 6507 |
| EloSRM | 0.013 | 0.579 | 0.598 | 102.1 | -96 | 144 | 1786 | 1746 | 6305 |
| Odd | 0.023 | 0.581 | 0.596 | 100.8 | -87 | 156 | 1654 | 1620 | 6301 |
| SRM | -0.355 | 0.633 | 0.744 | 120.0 | -308 | 32 | 1138 | 784 | 7595 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2009-10-17 | SRM 450 | 2 | 700 | 511.16 | -0.45 | -40 | 1746 | 6305 | -78 | 784 | 7595 |
| 3 | 2009-08-08 | SRM 446 | 2 | 396 | 673.36 | 0.77 | 128 | 1786 | 5884 | 32 | 862 | 6740 |
| 2 | 2009-07-23 | SRM 445 | 2 | 893 | 598.84 | -0.68 | -96 | 1658 | 7085 | -308 | 830 | 7132 |
| 1 | 2009-05-27 | SRM 441 | 2 | 519 | 693.56 | 0.42 | 144 | 1754 | 6162 | -62 | 1138 | 3635 |