4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| jonasyang | 23 | 2170 | 1161 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.194 | 0.945 | 1.128 | 52.0 | -53 | 164 | 2170 | 2170 | 3053 |
| Odd | 0.182 | 0.947 | 1.131 | 52.5 | -47 | 164 | 2048 | 2048 | 3012 |
| SRMFix | 0.274 | 1.002 | 1.182 | 67.8 | -87 | 165 | 1634 | 1634 | 3193 |
| SRM | 0.556 | 1.068 | 1.299 | 79.9 | -262 | 133 | 1172 | 1161 | 3382 |
| initial | 0.189 | 1.112 | 1.327 | 133.8 | -303 | 278 | 1786 | 1724 | 2917 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 23 | 2009-08-08 | SRM 446 | 2 | 184 | 180.27 | -0.03 | 6 | 2170 | 3053 | 25 | 1161 | 3382 |
| 22 | 2009-07-23 | SRM 445 | 2 | 78 | 221.62 | 1.51 | 47 | 2164 | 3086 | 78 | 1136 | 3604 |
| 21 | 2009-07-08 | SRM 444 | 2 | 759 | 177.19 | -2.10 | -42 | 2117 | 3359 | -114 | 1058 | 4254 |
| 20 | 2009-05-12 | SRM 440 | 2 | 88 | 186.01 | 1.08 | 36 | 2160 | 3090 | 60 | 1172 | 3557 |
| 19 | 2009-03-24 | SRM 437 | 2 | 343 | 182.73 | -0.91 | -18 | 2123 | 3308 | -28 | 1112 | 5153 |
| 18 | 2009-03-07 | TCO09 Round 1 | 1 | 767 | 1,288.79 | 0.75 | 54 | 2141 | 3159 | 102 | 1140 | 4300 |
| 17 | 2009-02-24 | TCO09 Qual 1 | 1 | 348 | 852.72 | 1.29 | 74 | 2087 | 3361 | 133 | 1038 | 5711 |
| 16 | 2009-02-07 | SRM 434 | 2 | 507 | 244.97 | -1.05 | -26 | 2013 | 4061 | -36 | 905 | 8235 |
| 15 | 2009-01-21 | SRM 433 | 2 | 71 | 287.05 | 2.02 | 68 | 2039 | 3856 | 112 | 941 | 7599 |
| 14 | 2009-01-06 | SRM 432 | 2 | 230 | 234.42 | 0.03 | 9 | 1970 | 4390 | 34 | 829 | 9200 |
| 13 | 2008-12-14 | TC China 08 - Finals | 1 | 387 | 267.66 | -0.62 | -31 | 1962 | 4448 | -78 | 795 | 9631 |
| 12 | 2008-12-11 | SRM 429 | 2 | 603 | 304.42 | -1.17 | -37 | 1992 | 4162 | -109 | 873 | 8604 |
| 11 | 2008-12-04 | TC China 08 - 1C | 1 | 86 | 97.72 | 0.18 | 20 | 2029 | 3861 | 47 | 982 | 7222 |
| 10 | 2008-12-02 | SRM 428 | 2 | 513 | 285.10 | -1.10 | -39 | 2009 | 4039 | -112 | 935 | 7826 |
| 9 | 2008-10-08 | SRM 421 | 2 | 84 | 278.65 | 1.73 | 82 | 2048 | 3629 | 89 | 1047 | 6261 |
| 8 | 2008-09-11 | SRM 417 | 2 | 511 | 244.84 | -1.06 | -39 | 1965 | 4217 | -66 | 958 | 7743 |
| 7 | 2008-09-04 | SRM 416 | 2 | 149 | 239.35 | 0.68 | 52 | 2004 | 3882 | 48 | 1024 | 6462 |
| 6 | 2008-08-26 | SRM 415 | 2 | 64 | 249.66 | 1.96 | 134 | 1953 | 4329 | 109 | 976 | 7634 |
| 5 | 2008-08-16 | SRM 414 | 2 | 352 | 396.94 | 0.17 | 30 | 1818 | 5631 | 3 | 867 | 8911 |
| 4 | 2008-08-06 | SRM 413 | 2 | 239 | 470.24 | 0.98 | 125 | 1788 | 5937 | 59 | 864 | 8863 |
| 3 | 2008-07-31 | SRM 412 | 2 | 651 | 468.83 | -0.49 | -53 | 1663 | 7235 | -122 | 805 | 9570 |
| 2 | 2008-07-01 | SRM 408 | 2 | 294 | 481.05 | 0.71 | 164 | 1716 | 6575 | -11 | 927 | 8077 |
| 1 | 2008-06-26 | SRM 407 | 2 | 386 | 524.52 | -0.11 | -12 | 1552 | 9280 | -262 | 938 | 7912 |