4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| Robin47 | 10 | 2292 | 1062 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.600 | 1.026 | 1.665 | 101.2 | -42 | 476 | 2419 | 2292 | 2486 |
| SRMFix | 0.508 | 1.032 | 1.673 | 101.4 | -83 | 501 | 1981 | 1791 | 2461 |
| initial | 0.537 | 1.081 | 1.738 | 130.2 | -206 | 538 | 2165 | 1847 | 2592 |
| SRM | 0.739 | 1.216 | 1.794 | 114.8 | -203 | 236 | 1353 | 1062 | 4187 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 2009-12-05 | SRM 454 | 1 | 630 | 497.30 | -0.36 | -42 | 2292 | 2486 | -156 | 1062 | 4187 |
| 9 | 2009-06-13 | SRM 442 | 2 | 136 | 76.42 | -0.83 | -20 | 2334 | 2198 | 35 | 1218 | 2939 |
| 8 | 2009-05-27 | SRM 441 | 1 | 439 | 395.50 | -0.32 | -28 | 2355 | 2122 | -74 | 1183 | 3252 |
| 7 | 2009-03-07 | TCO09 Round 1 | 1 | 1288 | 955.89 | -0.43 | -36 | 2383 | 1983 | -96 | 1257 | 2995 |
| 6 | 2009-02-24 | TCO09 Qual 1 | 1 | 362 | 560.16 | 0.63 | 74 | 2419 | 1742 | 75 | 1353 | 2234 |
| 5 | 2009-02-12 | SRM 435 | 2 | 17 | 101.64 | 2.58 | 141 | 2344 | 2142 | 134 | 1278 | 2884 |
| 4 | 2008-12-11 | SRM 429 | 1 | 528 | 498.94 | -0.19 | -25 | 2203 | 2793 | -114 | 1144 | 4428 |
| 3 | 2008-11-25 | SRM 427 | 1 | 329 | 419.14 | 0.35 | 86 | 2228 | 2647 | 25 | 1258 | 3061 |
| 2 | 2008-11-12 | SRM 425 | 2 | 27 | 570.40 | 4.40 | 476 | 2141 | 3091 | 236 | 1233 | 3308 |
| 1 | 2008-11-06 | SRM 424 | 2 | 469 | 526.89 | 0.17 | 83 | 1665 | 7273 | -203 | 997 | 6657 |