4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| sunyu912 | 9 | 2087 | 999 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.129 | 0.771 | 1.061 | 75.0 | -48 | 360 | 2140 | 2087 | 6369 |
| SRM | 0.191 | 0.805 | 0.998 | 76.1 | -226 | 146 | 1145 | 999 | 6400 |
| SRMFix | 0.236 | 0.808 | 1.068 | 87.6 | -85 | 330 | 1556 | 1463 | 6112 |
| initial | 0.299 | 0.817 | 1.080 | 98.3 | -94 | 297 | 1602 | 1524 | 5575 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 9 | 2012-05-08 | SRM 542 | 2 | 242 | 179.96 | -0.43 | -29 | 2087 | 6369 | -45 | 999 | 6400 |
| 8 | 2011-03-08 | SRM 499 | 2 | 163 | 377.80 | 1.21 | 73 | 2116 | 4409 | 69 | 1044 | 4832 |
| 7 | 2011-02-10 | SRM 497 | 2 | 302 | 302.67 | 0.00 | 11 | 2043 | 4965 | 2 | 975 | 5517 |
| 6 | 2011-01-27 | SRM 495 | 2 | 675 | 320.85 | -1.07 | -48 | 2032 | 4973 | -80 | 973 | 5464 |
| 5 | 2011-01-22 | Member SRM 494 | 2 | 519 | 257.25 | -1.01 | -48 | 2079 | 4534 | -73 | 1053 | 4602 |
| 4 | 2011-01-12 | SRM 493 | 2 | 218 | 167.90 | -0.38 | -13 | 2127 | 4134 | -19 | 1126 | 4026 |
| 3 | 2010-12-28 | SRM 492 | 2 | 180 | 230.86 | 0.36 | 59 | 2140 | 4025 | 25 | 1145 | 3872 |
| 2 | 2010-12-08 | SRM 490 | 2 | 122 | 668.44 | 2.45 | 360 | 2080 | 4410 | 146 | 1120 | 3984 |
| 1 | 2010-11-18 | SRM 488 | 2 | 516 | 522.52 | 0.02 | 34 | 1720 | 7439 | -226 | 974 | 5249 |