4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| Joe.zhou | 5 | 2071 | 941 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.504 | 0.561 | 1.093 | 67.6 | -10 | 293 | 1503 | 1503 | 4179 |
| SRMFix | 0.230 | 0.723 | 1.132 | 124.3 | -106 | 456 | 1656 | 1490 | 4315 |
| SRM | 0.558 | 0.814 | 0.880 | 175.4 | -568 | 194 | 1394 | 941 | 5435 |
| EloSRM | 0.182 | 0.820 | 1.199 | 136.5 | -58 | 564 | 2189 | 2071 | 4230 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5 | 2010-09-09 | SRM 481 | 2 | 313 | 275.32 | -0.18 | 0 | 2071 | 4230 | 29 | 941 | 5435 |
| 4 | 2009-11-05 | SRM 452 | 2 | 294 | 235.82 | -0.32 | -9 | 2070 | 3774 | 49 | 912 | 6131 |
| 3 | 2009-10-17 | SRM 450 | 2 | 358 | 200.34 | -0.84 | -51 | 2080 | 3678 | 37 | 863 | 6796 |
| 2 | 2009-09-23 | SRM 449 | 1 | 791 | 663.74 | -0.25 | -58 | 2130 | 3325 | -568 | 826 | 7207 |
| 1 | 2009-09-10 | SRM 448 | 2 | 121 | 687.44 | 2.51 | 564 | 2189 | 3002 | 194 | 1394 | 1870 |