4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| blackchaoxu | 4 | 2233 | 1394 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 1.024 | 1.065 | 1.835 | 171.8 | -4 | 540 | 2238 | 2233 | 4864 |
| initial | 1.055 | 1.069 | 1.833 | 128.8 | -2 | 435 | 1712 | 1708 | 4154 |
| Odd | 1.016 | 1.077 | 1.840 | 172.9 | -7 | 547 | 2104 | 2091 | 4590 |
| SRMFix | 0.872 | 1.086 | 1.812 | 181.7 | -31 | 618 | 1871 | 1816 | 3293 |
| SRM | 0.500 | 1.218 | 1.771 | 214.0 | -168 | 525 | 1725 | 1394 | 2495 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2012-08-22 | SRM 553 | 1 | 343 | 423.34 | -0.03 | -1 | 2233 | 4864 | -111 | 1394 | 2495 |
| 3 | 2011-11-12 | SRM 523 | 1 | 467 | 584.18 | -0.05 | -4 | 2234 | 4278 | -168 | 1505 | 1711 |
| 2 | 2008-05-25 | East China Round 2 | 1 | 45 | 65.86 | 0.55 | 142 | 2238 | 2285 | -52 | 1673 | 887 |
| 1 | 2008-05-03 | East China Round 1 | 1 | 60 | 741.75 | 3.63 | 540 | 2096 | 2937 | 525 | 1725 | 758 |