4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| Calculus | 22 | 2177 | 1163 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.261 | 1.017 | 1.292 | 64.0 | -70 | 357 | 2177 | 2177 | 3053 |
| SRMFix | 0.234 | 1.033 | 1.316 | 76.6 | -132 | 339 | 1787 | 1664 | 3097 |
| initial | 0.219 | 1.068 | 1.345 | 128.6 | -245 | 314 | 2014 | 1753 | 2856 |
| SRM | 0.663 | 1.120 | 1.480 | 84.5 | -249 | 146 | 1255 | 1163 | 3424 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 22 | 2009-09-10 | SRM 448 | 2 | 145 | 210.83 | 0.54 | 51 | 2177 | 3053 | 41 | 1163 | 3424 |
| 21 | 2009-03-04 | TCO09 Qual 3 | 1 | 681 | 446.56 | -0.61 | -47 | 2127 | 3250 | -41 | 1122 | 4514 |
| 20 | 2008-12-23 | SRM 431 | 2 | 237 | ||||||||
| 19 | 2008-02-16 | TCO08 Round 1 | 1 | 865 | 1,097.92 | -0.04 | 2 | 2174 | 2490 | -14 | 1163 | 3353 |
| 18 | 2008-02-05 | TCO08 Qual 1 | 1 | 214 | 594.68 | 1.48 | 112 | 2172 | 2454 | 128 | 1177 | 3297 |
| 17 | 2007-08-28 | TCCC07 Round 1A | 1 | 297 | 308.33 | -0.26 | -12 | 2060 | 2518 | -58 | 1049 | 3649 |
| 16 | 2007-08-23 | TCCC07 Qual 3 | 1 | 105 | 168.83 | 0.68 | 44 | 2072 | 2445 | 71 | 1107 | 3245 |
| 15 | 2007-07-02 | SRM 356 | 2 | 201 | 86.93 | -1.21 | -26 | 2028 | 2506 | -10 | 1036 | 3685 |
| 14 | 2007-05-23 | SRM 350 | 2 | 371 | 129.71 | -1.72 | -37 | 2055 | 2276 | -117 | 1046 | 3513 |
| 13 | 2007-05-09 | SRM 348 | 2 | 29 | 76.17 | 1.39 | 49 | 2091 | 2116 | 99 | 1163 | 2778 |
| 12 | 2007-05-01 | SRM 347 | 2 | 174 | 96.88 | -0.84 | -19 | 2043 | 2317 | 19 | 1064 | 3388 |
| 11 | 2007-04-24 | SRM 346 | 2 | 33 | 98.56 | 1.58 | 64 | 2062 | 2193 | 117 | 1045 | 3541 |
| 10 | 2007-04-10 | TCO07 Round 1B | 1 | 520 | 328.64 | -0.67 | -48 | 1998 | 2427 | -249 | 928 | 4472 |
| 9 | 2007-04-03 | TCO07 Qual 3 | 1 | 475 | 246.43 | -0.95 | -50 | 2045 | 2227 | -78 | 1177 | 2656 |
| 8 | 2007-03-14 | SRM 342 | 2 | 16 | 117.74 | 2.88 | 122 | 2095 | 1914 | 124 | 1255 | 2051 |
| 7 | 2007-02-14 | SRM 339 | 2 | 36 | 153.14 | 2.09 | 117 | 1973 | 2538 | 106 | 1131 | 3058 |
| 6 | 2007-01-25 | SRM 336 | 2 | 148 | 136.23 | -0.12 | 6 | 1856 | 3127 | 5 | 1025 | 3802 |
| 5 | 2006-11-22 | SRM 327 | 2 | 156 | 136.28 | -0.20 | 0 | 1850 | 2939 | 13 | 1020 | 3745 |
| 4 | 2006-11-02 | SRM 325 | 2 | 269 | 114.21 | -1.24 | -70 | 1850 | 2926 | -63 | 1007 | 3827 |
| 3 | 2006-10-25 | SRM 324 | 1 | 392 | 372.40 | -0.07 | -10 | 1919 | 2548 | -139 | 1070 | 3255 |
| 2 | 2006-10-09 | SRM 322 | 2 | 46 | 267.73 | 2.54 | 357 | 1930 | 2455 | 146 | 1209 | 2305 |
| 1 | 2006-08-29 | SRM 318 | 2 | 247 | 291.35 | 0.24 | 101 | 1573 | 4229 | -137 | 1063 | 3053 |