4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| zxh_eric | 48 | 2276 | 1267 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.149 | 0.604 | 0.901 | 72.7 | -217 | 345 | 2116 | 2060 | 2066 |
| SRMFix | 0.236 | 0.609 | 0.914 | 37.5 | -149 | 275 | 1820 | 1808 | 2370 |
| EloSRM | 0.217 | 0.613 | 0.908 | 30.0 | -70 | 256 | 2276 | 2276 | 2507 |
| SRM | 0.448 | 0.732 | 1.178 | 53.6 | -190 | 125 | 1406 | 1267 | 2595 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 48 | 2009-08-08 | SRM 446 | 1 | 477 | 537.89 | 0.17 | 10 | 2276 | 2507 | 14 | 1267 | 2595 |
| 47 | 2009-07-23 | SRM 445 | 1 | 368 | 511.42 | 0.03 | 4 | 2266 | 2548 | 13 | 1253 | 2697 |
| 46 | 2009-06-13 | SRM 442 | 1 | 552 | 501.94 | -0.14 | -4 | 2262 | 2560 | -50 | 1240 | 2755 |
| 45 | 2009-05-27 | SRM 441 | 1 | 439 | 429.21 | -0.20 | -6 | 2266 | 2518 | -79 | 1290 | 2451 |
| 44 | 2009-04-30 | SRM 439 | 1 | 305 | 378.53 | 0.31 | 16 | 2272 | 2503 | 10 | 1369 | 2216 |
| 43 | 2009-03-24 | SRM 437 | 1 | 292 | 593.27 | 1.02 | 42 | 2256 | 2583 | 106 | 1359 | 2292 |
| 42 | 2009-03-14 | TCO09 Round 2 | 1 | 582 | 612.84 | 0.00 | 1 | 2214 | 2769 | -17 | 1253 | 3034 |
| 41 | 2009-03-07 | TCO09 Round 1 | 1 | 706 | 1,213.26 | 0.78 | 35 | 2213 | 2760 | 93 | 1270 | 2909 |
| 40 | 2009-03-04 | TCO09 Qual 3 | 1 | 523 | 440.13 | -0.25 | -4 | 2177 | 2958 | -12 | 1177 | 3689 |
| 39 | 2009-02-28 | TCO09 Qual 2 | 1 | 702 | 705.19 | 0.01 | 4 | 2182 | 2883 | -3 | 1189 | 3553 |
| 38 | 2009-02-24 | TCO09 Qual 1 | 1 | 839 | 700.68 | -0.26 | -8 | 2178 | 2828 | -41 | 1192 | 3477 |
| 37 | 2009-02-07 | SRM 434 | 1 | 447 | 502.04 | -0.07 | -2 | 2186 | 2923 | -33 | 1233 | 3292 |
| 36 | 2009-01-21 | SRM 433 | 1 | 369 | 492.87 | 0.08 | 8 | 2187 | 2931 | 7 | 1266 | 3015 |
| 35 | 2008-12-11 | SRM 429 | 1 | 528 | 511.30 | -0.15 | -6 | 2180 | 2928 | -89 | 1259 | 3031 |
| 34 | 2008-07-01 | SRM 408 | 1 | 363 | 441.47 | 0.28 | 12 | 2186 | 2633 | 6 | 1348 | 2441 |
| 33 | 2008-06-26 | SRM 407 | 1 | 459 | 486.21 | 0.08 | 5 | 2174 | 2677 | -34 | 1342 | 2468 |
| 32 | 2008-06-17 | SRM 406 | 1 | 311 | 339.46 | 0.13 | 7 | 2169 | 2693 | -30 | 1376 | 2227 |
| 31 | 2008-06-14 | SRM 405 | 1 | 368 | 535.63 | 0.54 | 23 | 2161 | 2715 | 33 | 1406 | 1998 |
| 30 | 2008-06-08 | College Tour West China | 1 | 55 | 142.89 | 1.38 | 32 | 2138 | 2826 | 87 | 1373 | 2244 |
| 29 | 2008-05-28 | College Tour Fudan | 1 | 24 | 31.30 | 0.38 | 15 | 2106 | 2970 | 35 | 1286 | 2887 |
| 28 | 2008-05-25 | College Tour Guangdong | 1 | 13 | 89.58 | 2.78 | 41 | 2091 | 3036 | 125 | 1251 | 3147 |
| 27 | 2008-05-24 | SRM 402 | 2 | 184 | 177.42 | -0.05 | 3 | 2050 | 3257 | 4 | 1126 | 4117 |
| 26 | 2008-05-24 | College Tour Beijing | 1 | 165 | 143.77 | -0.20 | -1 | 2047 | 3255 | -33 | 1122 | 4107 |
| 25 | 2008-05-06 | SRM 401 | 2 | 144 | 216.70 | 0.59 | 17 | 2048 | 3252 | 28 | 1155 | 3649 |
| 24 | 2008-05-01 | SRM 400 | 2 | 116 | 219.60 | 0.92 | 24 | 2031 | 3315 | 43 | 1127 | 3617 |
| 23 | 2008-04-23 | SRM 399 | 2 | 148 | 142.10 | -0.06 | 4 | 2006 | 3451 | 10 | 1084 | 4077 |
| 22 | 2008-04-15 | SRM 398 | 2 | 34 | 236.07 | 2.80 | 55 | 2003 | 3459 | 112 | 1074 | 4163 |
| 21 | 2008-04-12 | SRM 397 | 2 | 246 | 272.55 | 0.15 | 9 | 1948 | 3862 | 26 | 962 | 5176 |
| 20 | 2008-04-03 | SRM 396 | 2 | 198 | 275.34 | 0.48 | 19 | 1939 | 3940 | 44 | 936 | 5479 |
| 19 | 2008-03-26 | SRM 395 | 2 | 83 | 195.54 | 1.24 | 39 | 1920 | 4088 | 83 | 892 | 6006 |
| 18 | 2008-03-22 | SRM 394 | 2 | 104 | 352.99 | 1.76 | 54 | 1881 | 4372 | 113 | 809 | 6891 |
| 17 | 2008-03-11 | SRM 393 | 2 | 315 | 355.50 | 0.17 | 12 | 1827 | 4766 | 49 | 696 | 8152 |
| 16 | 2008-03-06 | SRM 392 | 2 | 688 | 334.38 | -1.05 | -30 | 1815 | 4820 | -87 | 647 | 8531 |
| 15 | 2008-02-13 | TCO08 Qual 3 | 1 | 762 | 651.63 | -0.23 | -8 | 1844 | 4546 | -8 | 734 | 7673 |
| 14 | 2008-02-09 | TCO08 Qual 2 | 1 | 730 | 973.77 | 0.42 | 30 | 1852 | 4458 | 88 | 742 | 7615 |
| 13 | 2008-02-05 | TCO08 Qual 1 | 1 | 792 | 709.73 | -0.32 | -19 | 1822 | 4654 | -35 | 654 | 8389 |
| 12 | 2008-02-02 | SRM 390 | 2 | 534 | 302.64 | -0.82 | -26 | 1842 | 4492 | -25 | 689 | 8074 |
| 11 | 2008-01-24 | SRM 389 | 2 | 650 | 234.51 | -1.48 | -44 | 1867 | 4242 | -190 | 714 | 7790 |
| 10 | 2008-01-15 | SRM 388 | 2 | 360 | 239.36 | -0.59 | -17 | 1912 | 3859 | -18 | 904 | 5724 |
| 9 | 2008-01-09 | SRM 387 | 2 | 117 | 184.70 | 0.66 | 42 | 1929 | 3696 | 61 | 922 | 5540 |
| 8 | 2008-01-05 | SRM 386 | 2 | 497 | 231.74 | -1.10 | -41 | 1888 | 4005 | -64 | 861 | 6181 |
| 7 | 2007-12-27 | SRM 385 | 2 | 208 | 233.04 | 0.16 | 21 | 1929 | 3685 | 42 | 925 | 5508 |
| 6 | 2007-12-19 | SRM 384 | 2 | 272 | 150.65 | -0.85 | -38 | 1908 | 3814 | -40 | 883 | 5999 |
| 5 | 2007-12-13 | SRM 383 | 2 | 365 | 125.22 | -1.54 | -70 | 1945 | 3522 | -124 | 923 | 5506 |
| 4 | 2007-12-11 | SRM 382 | 1 | 414 | 378.20 | -0.16 | -24 | 2015 | 3074 | -166 | 1047 | 4338 |
| 3 | 2007-12-08 | SRM 381 | 1 | 359 | 453.35 | 0.02 | 13 | 2039 | 2931 | -7 | 1213 | 2932 |
| 2 | 2007-12-04 | SRM 380 | 2 | 77 | 279.50 | 1.86 | 256 | 2027 | 2954 | 88 | 1220 | 2809 |
| 1 | 2007-11-28 | SRM 379 | 2 | 212 | 344.55 | 0.70 | 236 | 1771 | 4636 | -68 | 1132 | 3364 |