4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| jiangweiqi | 83 | 2685 | 1258 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.100 | 0.456 | 0.677 | 22.6 | -58 | 197 | 1966 | 1918 | 2352 |
| EloSRM | 0.070 | 0.465 | 0.692 | 21.7 | -33 | 289 | 2703 | 2685 | 2389 |
| initial | 0.100 | 0.470 | 0.680 | 56.6 | -172 | 268 | 2492 | 2195 | 2186 |
| SRM | 0.261 | 0.536 | 0.849 | 51.0 | -378 | 170 | 1482 | 1258 | 3231 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 83 | 2015-06-11 | SRM 661 | 1 | 242 | 227.36 | -0.28 | -8 | 2685 | 2389 | -57 | 1258 | 3231 |
| 82 | 2015-06-04 | SRM 660 | 1 | 230 | 311.56 | -0.08 | 0 | 2693 | 2422 | 2 | 1315 | 2879 |
| 81 | 2015-03-17 | SRM 653 | 1 | 254 | 343.47 | -0.13 | -2 | 2693 | 2577 | -7 | 1313 | 3138 |
| 80 | 2014-11-28 | SRM 639 | 1 | 233 | 334.87 | -0.11 | -1 | 2695 | 2587 | 1 | 1320 | 3230 |
| 79 | 2014-09-25 | SRM 634 | 1 | 255 | 261.10 | -0.28 | -5 | 2696 | 2575 | -46 | 1319 | 3223 |
| 78 | 2014-09-17 | SRM 633 | 1 | 245 | 447.72 | -0.04 | 1 | 2701 | 2548 | 3 | 1365 | 2835 |
| 77 | 2014-09-05 | SRM 632 - TCO14 Wildcard Sweep | 1 | 302 | 383.57 | 0.34 | 12 | 2700 | 2566 | 42 | 1362 | 2856 |
| 76 | 2014-08-12 | SRM 629 | 1 | 375 | 404.20 | -0.27 | -5 | 2688 | 2590 | -37 | 1320 | 3172 |
| 75 | 2014-07-22 | SRM 628 | 1 | 435 | 427.56 | -0.30 | -6 | 2693 | 2568 | -70 | 1357 | 2863 |
| 74 | 2014-07-05 | TCO14 Round 2C | 1 | 558 | 622.51 | -0.19 | -4 | 2699 | 2512 | -55 | 1427 | 2427 |
| 73 | 2014-06-12 | SRM 624 | 1 | 244 | 549.37 | 1.17 | 30 | 2703 | 2476 | 93 | 1482 | 2114 |
| 72 | 2014-06-07 | TCO14 Round 2B | 1 | 779 | 825.42 | -0.22 | -5 | 2673 | 2634 | -62 | 1389 | 2675 |
| 71 | 2014-05-17 | TCO14 Round 2A | 1 | 191 | 917.73 | 2.26 | 51 | 2678 | 2621 | 170 | 1451 | 2350 |
| 70 | 2014-04-21 | SRM 617 | 1 | 688 | 583.79 | -0.38 | -8 | 2626 | 2863 | -79 | 1281 | 3575 |
| 69 | 2014-04-19 | TCO14 Round 1B | 1 | 378 | 677.66 | 0.84 | 20 | 2635 | 2823 | 59 | 1360 | 2939 |
| 68 | 2014-04-12 | TCO14 Round 1A | 1 | 889 | 925.57 | 0.06 | 4 | 2614 | 2875 | 19 | 1301 | 3354 |
| 67 | 2014-04-10 | SRM 616 | 1 | 400 | 547.71 | -0.12 | -2 | 2610 | 2818 | 0 | 1282 | 3440 |
| 66 | 2014-04-04 | SRM 615 | 1 | 464 | 506.36 | 0.13 | 7 | 2611 | 2804 | 28 | 1282 | 3431 |
| 65 | 2014-03-29 | SRM 614 | 1 | 397 | 507.61 | -0.12 | -2 | 2604 | 2853 | 1 | 1254 | 3722 |
| 64 | 2014-01-21 | SRM 605 | 1 | 464 | 434.25 | -0.35 | -8 | 2606 | 2860 | -53 | 1253 | 3832 |
| 63 | 2014-01-11 | SRM 604 | 1 | 418 | 594.81 | 0.51 | 18 | 2614 | 2806 | 74 | 1306 | 3329 |
| 62 | 2014-01-06 | SRM 603 | 1 | 442 | 412.44 | -0.32 | -8 | 2596 | 2874 | -43 | 1232 | 4056 |
| 61 | 2013-12-22 | SRM 601 | 1 | 566 | 527.76 | -0.10 | -1 | 2604 | 2779 | -6 | 1275 | 3547 |
| 60 | 2013-12-14 | SRM 600 | 1 | 779 | 700.12 | -0.15 | -3 | 2605 | 2775 | -19 | 1281 | 3518 |
| 59 | 2013-12-04 | SRM 599 | 1 | 483 | 490.70 | -0.25 | -6 | 2608 | 2739 | -41 | 1300 | 3316 |
| 58 | 2013-11-20 | SRM 597 | 1 | 474 | 478.31 | -0.30 | -8 | 2614 | 2673 | -51 | 1341 | 2961 |
| 57 | 2013-11-01 | SRM 596 | 1 | 543 | 474.88 | -0.19 | -4 | 2621 | 2614 | -43 | 1392 | 2558 |
| 56 | 2013-09-27 | SRM 592 | 1 | 321 | 438.77 | 0.45 | 19 | 2626 | 2536 | 33 | 1435 | 2264 |
| 55 | 2013-08-27 | SRM 589 | 1 | 404 | 452.60 | -0.24 | -6 | 2607 | 2630 | -57 | 1402 | 2455 |
| 54 | 2013-07-27 | SRM 586 | 1 | 319 | 443.58 | 0.47 | 19 | 2612 | 2550 | 33 | 1459 | 2094 |
| 53 | 2013-07-10 | SRM 584 | 1 | 395 | 407.84 | 0.05 | 5 | 2594 | 2599 | -17 | 1426 | 2252 |
| 52 | 2013-06-18 | SRM 583 | 1 | 410 | 518.77 | 0.34 | 15 | 2589 | 2632 | 14 | 1443 | 2185 |
| 51 | 2013-06-14 | SRM 582 | 1 | 105 | 438.76 | 2.06 | 64 | 2574 | 2719 | 168 | 1429 | 2269 |
| 50 | 2013-04-26 | SRM 577 | 1 | 408 | 541.55 | -0.11 | -2 | 2509 | 3170 | -2 | 1261 | 3661 |
| 49 | 2013-04-20 | TCO13 Round 2B | 1 | 498 | 792.38 | 0.02 | 3 | 2511 | 3214 | 32 | 1263 | 3705 |
| 48 | 2013-04-11 | SRM 576 | 1 | 430 | 396.66 | -0.29 | -9 | 2508 | 3282 | -63 | 1231 | 4068 |
| 47 | 2013-04-06 | SRM 575 | 1 | 630 | 676.70 | -0.16 | -4 | 2517 | 3269 | -33 | 1294 | 3527 |
| 46 | 2013-03-31 | TCO13 Round 2A | 1 | 438 | 802.35 | 0.05 | 5 | 2521 | 3242 | 30 | 1327 | 3256 |
| 45 | 2013-03-06 | SRM 572 | 1 | 481 | 461.30 | -0.25 | -8 | 2516 | 3166 | -64 | 1297 | 3362 |
| 44 | 2013-03-02 | TCO13 Round 1B | 1 | 390 | 669.83 | 0.78 | 31 | 2524 | 3110 | 51 | 1361 | 2867 |
| 43 | 2013-01-12 | SRM 566 | 1 | 416 | 539.72 | 0.38 | 21 | 2493 | 3101 | 45 | 1310 | 3098 |
| 42 | 2012-12-20 | SRM 565 | 1 | 444 | 566.18 | 0.33 | 19 | 2472 | 3217 | 48 | 1265 | 3495 |
| 41 | 2012-12-08 | SRM 563 | 1 | 328 | 401.04 | -0.09 | -2 | 2453 | 3291 | -4 | 1217 | 3956 |
| 40 | 2012-11-20 | SRM 561 | 2 | 48 | 90.61 | 0.92 | 24 | 2455 | 3307 | 59 | 1221 | 3942 |
| 39 | 2012-11-10 | SRM 560 | 2 | 173 | 101.42 | -0.77 | -10 | 2430 | 3491 | 18 | 1162 | 4554 |
| 38 | 2012-10-19 | SRM 558 | 2 | 217 | 84.76 | -1.36 | -19 | 2440 | 3403 | 1 | 1144 | 4698 |
| 37 | 2012-10-10 | SRM 557 | 2 | 349 | 93.01 | -1.91 | -28 | 2460 | 3296 | -15 | 1143 | 4714 |
| 36 | 2012-09-13 | SRM 556 | 2 | 198 | 59.69 | -1.73 | -26 | 2488 | 3156 | 2 | 1158 | 4578 |
| 35 | 2012-09-07 | SRM 555 | 2 | 131 | 75.10 | -0.80 | -13 | 2514 | 3015 | 44 | 1156 | 4632 |
| 34 | 2012-06-07 | SRM 545 | 1 | 776 | 561.29 | -0.50 | -23 | 2527 | 2928 | -143 | 1112 | 5058 |
| 33 | 2012-04-14 | TCO12 Round 1C | 1 | 972 | 761.75 | -0.80 | -22 | 2550 | 2747 | -109 | 1255 | 3819 |
| 32 | 2012-02-23 | SRM 534 | 1 | 278 | 447.82 | 0.69 | 38 | 2572 | 2356 | 83 | 1364 | 2626 |
| 31 | 2012-02-18 | SRM 533 | 1 | 517 | 559.84 | -0.25 | -10 | 2534 | 2539 | -30 | 1281 | 3305 |
| 30 | 2012-01-19 | SRM 530 | 1 | 378 | 403.50 | 0.09 | 11 | 2544 | 2434 | 17 | 1311 | 2989 |
| 29 | 2011-08-09 | SRM 514 | 1 | 299 | 354.82 | -0.21 | -5 | 2533 | 2190 | -17 | 1294 | 2925 |
| 28 | 2011-07-26 | SRM 513 | 1 | 361 | 465.56 | 0.37 | 19 | 2538 | 2175 | 61 | 1311 | 2777 |
| 27 | 2011-07-13 | SRM 512 | 2 | 92 | 81.96 | -0.17 | 3 | 2520 | 2268 | 60 | 1250 | 3304 |
| 26 | 2011-06-18 | TCO11 Round 1 | 1 | 1311 | 982.51 | -0.51 | -18 | 2517 | 2268 | -113 | 1190 | 3824 |
| 25 | 2011-06-08 | SRM 509 | 1 | 571 | 534.42 | -0.10 | 0 | 2535 | 2154 | 3 | 1303 | 2846 |
| 24 | 2011-05-28 | SRM 507 | 1 | 722 | 494.96 | -0.62 | -20 | 2535 | 2105 | -132 | 1300 | 2839 |
| 23 | 2011-05-17 | SRM 504.5 | 1 | 472 | 520.48 | 0.14 | 11 | 2555 | 1962 | 15 | 1432 | 1942 |
| 22 | 2011-05-14 | TCO11 Qual 1 | 1 | 362 | 626.92 | 0.79 | 35 | 2544 | 1984 | 61 | 1417 | 2009 |
| 21 | 2011-05-11 | SRM 506 | 1 | 319 | 379.20 | 0.25 | 18 | 2509 | 2127 | 38 | 1356 | 2354 |
| 20 | 2011-04-16 | Member SRM 503 | 1 | 558 | 532.15 | -0.07 | 1 | 2492 | 2198 | -6 | 1318 | 2598 |
| 19 | 2011-04-07 | SRM 502 | 1 | 336 | 357.29 | 0.09 | 10 | 2491 | 2176 | 22 | 1324 | 2525 |
| 18 | 2011-03-30 | Member SRM 501 | 1 | 487 | 479.59 | -0.27 | -11 | 2481 | 2223 | -54 | 1302 | 2677 |
| 17 | 2011-03-19 | SRM 500 | 1 | 396 | 561.73 | -0.10 | -2 | 2492 | 2143 | -2 | 1356 | 2322 |
| 16 | 2011-02-26 | SRM 498 | 1 | 339 | 543.65 | 0.68 | 47 | 2494 | 2087 | 92 | 1358 | 2231 |
| 15 | 2011-02-01 | SRM 496 | 1 | 484 | 486.54 | 0.01 | 6 | 2448 | 2293 | 8 | 1266 | 2870 |
| 14 | 2010-12-18 | Member SRM 491 | 1 | 484 | 507.08 | 0.07 | 9 | 2442 | 2245 | 18 | 1258 | 2857 |
| 13 | 2010-12-08 | SRM 490 | 1 | 494 | 472.81 | -0.27 | -14 | 2433 | 2263 | -56 | 1240 | 2985 |
| 12 | 2010-11-30 | Member SRM 489 | 1 | 470 | 460.08 | -0.28 | -14 | 2446 | 2195 | -64 | 1296 | 2543 |
| 11 | 2010-11-18 | SRM 488 | 1 | 243 | 362.62 | 0.58 | 49 | 2460 | 2096 | 65 | 1360 | 2133 |
| 10 | 2010-11-13 | SRM 487 | 1 | 376 | 574.02 | 0.61 | 57 | 2411 | 2309 | 76 | 1295 | 2500 |
| 9 | 2010-10-26 | SRM 486 | 1 | 479 | 524.34 | -0.13 | -6 | 2354 | 2539 | -40 | 1219 | 3094 |
| 8 | 2010-10-21 | Member SRM 485 | 2 | 38 | 121.46 | 1.68 | 73 | 2360 | 2485 | 117 | 1259 | 2729 |
| 7 | 2010-09-25 | SRM 483 | 2 | 45 | 199.00 | 2.14 | 95 | 2288 | 2874 | 137 | 1142 | 3624 |
| 6 | 2010-09-15 | Member SRM 482 | 2 | 160 | 244.16 | 0.61 | 49 | 2193 | 3393 | 87 | 1005 | 4795 |
| 5 | 2010-09-09 | SRM 481 | 2 | 226 | 232.62 | 0.04 | 19 | 2144 | 3723 | 68 | 918 | 5687 |
| 4 | 2010-08-26 | SRM 480 | 1 | 531 | 457.40 | -0.21 | -33 | 2125 | 3790 | -378 | 850 | 6258 |
| 3 | 2010-08-14 | SRM 479 | 1 | 392 | 525.58 | 0.06 | 23 | 2158 | 3560 | -4 | 1228 | 2924 |
| 2 | 2010-07-17 | SRM 476 | 2 | 180 | 413.40 | 1.20 | 181 | 2135 | 3655 | 48 | 1232 | 2858 |
| 1 | 2010-06-30 | Member Single Round Match 474 | 2 | 229 | 443.43 | 0.95 | 289 | 1954 | 4860 | -16 | 1184 | 3205 |