4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| wanggang1988198 | 9 | 1771 | 666 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.124 | 0.537 | 0.689 | 53.8 | -42 | 118 | 1798 | 1771 | 6175 |
| SRMFix | 0.143 | 0.559 | 0.710 | 57.3 | -74 | 124 | 1277 | 1238 | 6430 |
| initial | 0.086 | 0.584 | 0.733 | 70.3 | -92 | 206 | 1385 | 1293 | 5834 |
| SRM | 0.019 | 0.685 | 0.830 | 107.1 | -295 | 120 | 905 | 666 | 8797 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 9 | 2009-11-05 | SRM 452 | 2 | 716 | 489.35 | -0.56 | -27 | 1771 | 6175 | -43 | 666 | 8797 |
| 8 | 2009-10-20 | SRM 451 | 2 | 161 | 502.21 | 1.64 | 118 | 1798 | 5862 | 120 | 709 | 8375 |
| 7 | 2009-10-17 | SRM 450 | 2 | 857 | 586.54 | -0.62 | -42 | 1681 | 6885 | -111 | 589 | 9378 |
| 6 | 2009-09-23 | SRM 449 | 2 | 487 | 699.41 | 0.46 | 57 | 1722 | 6502 | 42 | 700 | 8541 |
| 5 | 2009-09-10 | SRM 448 | 2 | 599 | 681.58 | 0.19 | 35 | 1666 | 7069 | 7 | 658 | 8909 |
| 4 | 2009-08-25 | SRM 447 | 2 | 450 | 726.03 | 0.69 | 112 | 1631 | 7353 | 46 | 651 | 8953 |
| 3 | 2009-08-08 | SRM 446 | 2 | 838 | 757.91 | -0.31 | -41 | 1519 | 9244 | -140 | 605 | 9229 |
| 2 | 2009-07-08 | SRM 444 | 2 | 798 | 709.11 | -0.17 | -21 | 1560 | 8152 | -160 | 745 | 8106 |
| 1 | 2009-06-13 | SRM 442 | 2 | 789 | 686.32 | -0.20 | -32 | 1580 | 7820 | -295 | 905 | 6082 |