4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| wangling219 | 8 | 1746 | 638 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | 0.037 | 0.448 | 0.569 | 51.4 | -52 | 137 | 1684 | 1621 | 6282 |
| initial | 0.025 | 0.449 | 0.575 | 54.1 | -105 | 139 | 1347 | 1224 | 6606 |
| EloSRM | 0.045 | 0.454 | 0.575 | 55.5 | -53 | 137 | 1812 | 1746 | 6296 |
| SRMFix | 0.056 | 0.465 | 0.581 | 54.3 | -68 | 113 | 1295 | 1213 | 6628 |
| SRM | -0.007 | 0.571 | 0.689 | 99.2 | -301 | 90 | 899 | 638 | 8979 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 8 | 2009-10-20 | SRM 451 | 2 | 529 | 441.81 | -0.26 | -12 | 1746 | 6296 | -13 | 638 | 8979 |
| 7 | 2009-09-23 | SRM 449 | 2 | 948 | 555.72 | -0.84 | -53 | 1759 | 6204 | -123 | 651 | 8965 |
| 6 | 2009-09-10 | SRM 448 | 2 | 453 | 536.52 | 0.24 | 37 | 1812 | 5725 | 26 | 774 | 7749 |
| 5 | 2009-08-25 | SRM 447 | 2 | 281 | 619.55 | 1.14 | 137 | 1775 | 6018 | 90 | 748 | 8069 |
| 4 | 2009-07-23 | SRM 445 | 2 | 730 | 705.99 | -0.05 | 6 | 1638 | 7274 | -37 | 658 | 8881 |
| 3 | 2009-05-27 | SRM 441 | 2 | 526 | 802.98 | 0.61 | 115 | 1632 | 7372 | -15 | 695 | 8924 |
| 2 | 2009-05-12 | SRM 440 | 2 | 728 | 669.14 | -0.32 | -52 | 1517 | 9902 | -189 | 710 | 9679 |
| 1 | 2009-03-11 | SRM 436 | 2 | 469 | 538.25 | -0.17 | -31 | 1569 | 8644 | -301 | 899 | 8176 |