9.11 A chessplayer rating pool is a statistical ensemble in which individuals are distinguishable, yet any number of them may be alike as to rating.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| Yi_Zhang | 106 | 2633 | 1628 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | 0.110 | 0.837 | 1.140 | 27.2 | -80 | 583 | 2581 | 2482 | 1048 |
| EloSRM | 0.061 | 0.843 | 1.137 | 26.6 | -84 | 584 | 2723 | 2633 | 1049 |
| SRMFix | 0.074 | 0.871 | 1.160 | 36.8 | -97 | 522 | 2455 | 2213 | 825 |
| SRM | 0.252 | 0.878 | 1.195 | 63.4 | -329 | 303 | 2126 | 1628 | 1054 |
| initial | 0.091 | 0.924 | 1.261 | 111.2 | -489 | 595 | 3205 | 2337 | 1248 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 106 | 2009-03-07 | TCO09 Round 1 | 1 | 998 | 669.56 | -0.58 | -17 | 2633 | 1049 | -62 | 1628 | 1054 |
| 105 | 2009-02-28 | TCO09 Qual 2 | 1 | 328 | 272.49 | -0.27 | -4 | 2650 | 982 | -8 | 1690 | 899 |
| 104 | 2007-08-11 | SRM 363 | 1 | 190 | ||||||||
| 103 | 2007-08-01 | SRM 361 | 1 | 214 | 202.21 | -0.08 | 1 | 2654 | 581 | 12 | 1698 | 700 |
| 102 | 2007-07-12 | SRM 357 | 1 | 268 | 175.50 | -0.61 | -9 | 2653 | 564 | -37 | 1686 | 703 |
| 101 | 2007-06-20 | SRM 355 | 1 | 118 | 175.12 | 0.57 | 14 | 2662 | 539 | 63 | 1723 | 634 |
| 100 | 2007-06-02 | SRM 352 | 1 | 310 | 212.52 | -0.55 | -8 | 2648 | 551 | -18 | 1660 | 749 |
| 99 | 2007-05-23 | SRM 350 | 1 | 327 | 175.99 | -0.90 | -14 | 2656 | 518 | -71 | 1678 | 704 |
| 98 | 2007-05-09 | SRM 348 | 1 | 90 | 155.35 | 0.79 | 19 | 2670 | 491 | 78 | 1749 | 595 |
| 97 | 2007-04-24 | SRM 346 | 1 | 336 | 162.55 | -1.06 | -17 | 2651 | 512 | -102 | 1671 | 718 |
| 96 | 2007-04-21 | TCO07 Round 3 | 1 | 241 | 199.33 | -0.27 | -6 | 2668 | 485 | -50 | 1773 | 556 |
| 95 | 2007-04-18 | SRM 345 | 1 | 367 | 266.71 | -0.76 | -14 | 2674 | 475 | -109 | 1823 | 489 |
| 94 | 2007-04-14 | TCO07 Round 2 | 1 | 89 | 348.14 | 1.97 | 48 | 2688 | 444 | 119 | 1932 | 361 |
| 93 | 2007-04-10 | TCO07 Round 1B | 1 | 240 | 126.97 | -0.99 | -22 | 2639 | 509 | -76 | 1813 | 496 |
| 92 | 2007-03-31 | TCO07 Qual 2 | 1 | 277 | 132.14 | -1.07 | -19 | 2661 | 463 | -45 | 1889 | 395 |
| 91 | 2006-10-09 | SRM 322 | 1 | 234 | 146.36 | -0.68 | -12 | 2681 | 338 | -49 | 1934 | 309 |
| 90 | 2006-09-18 | SRM 319 | 1 | 136 | 121.39 | -0.16 | 0 | 2693 | 295 | -4 | 1983 | 265 |
| 89 | 2006-08-29 | SRM 318 | 1 | 236 | 130.19 | -0.86 | -19 | 2693 | 293 | -66 | 1987 | 256 |
| 88 | 2006-03-25 | SRM 294 | 1 | 183 | 110.60 | -0.73 | -11 | 2712 | 234 | -44 | 2053 | 186 |
| 87 | 2006-03-04 | TCO06 Round 1 | 1 | 399 | ||||||||
| 86 | 2006-02-28 | TCO06 Qual 5/6/12 | 1 | 31 | 31.52 | 0.02 | 5 | 2723 | 208 | 21 | 2097 | 160 |
| 85 | 2006-02-21 | SRM 291 | 1 | 107 | 107.13 | 0.00 | 4 | 2718 | 203 | 6 | 2076 | 159 |
| 84 | 2005-11-21 | SRM 273 | 1 | 59 | 95.84 | 0.70 | 16 | 2714 | 171 | 49 | 2070 | 148 |
| 83 | 2005-08-20 | TCO05 Round 1 | 1 | 449 | 142.90 | -1.65 | -17 | 2698 | 153 | -105 | 2021 | 152 |
| 82 | 2005-08-16 | TCO05 Qual 5/10 | 1 | 1 | 36.28 | 5.18 | 41 | 2716 | 138 | 168 | 2126 | 117 |
| 81 | 2005-08-10 | SRM 258 | 1 | 29 | 85.87 | 1.57 | 24 | 2674 | 154 | 105 | 1958 | 180 |
| 80 | 2005-08-08 | SRM 257 | 1 | 202 | 123.81 | -1.02 | -13 | 2650 | 178 | -124 | 1853 | 231 |
| 79 | 2005-07-23 | SRM 253 | 1 | 189 | 73.57 | -1.36 | -17 | 2663 | 161 | -110 | 1977 | 171 |
| 78 | 2005-06-29 | SRM 249 | 1 | 71 | 61.47 | -0.21 | -1 | 2680 | 151 | -16 | 2087 | 126 |
| 77 | 2005-06-21 | SRM 248 | 1 | 68 | 87.01 | 0.36 | 9 | 2681 | 147 | 17 | 2103 | 120 |
| 76 | 2005-05-04 | SRM 241 | 1 | 27 | 49.18 | 0.86 | 16 | 2672 | 140 | 47 | 2086 | 122 |
| 75 | 2005-04-30 | SRM 240 | 1 | 50 | 50.66 | 0.02 | 3 | 2657 | 142 | 9 | 2039 | 138 |
| 74 | 2005-04-18 | SRM 239 | 1 | 13 | 62.52 | 2.27 | 31 | 2653 | 145 | 120 | 2030 | 135 |
| 73 | 2005-04-14 | SRM 238 | 1 | 70 | 57.08 | -0.29 | -3 | 2622 | 162 | 0 | 1910 | 196 |
| 72 | 2005-04-06 | SRM 237 | 1 | 73 | 45.63 | -0.68 | -8 | 2625 | 159 | -29 | 1910 | 191 |
| 71 | 2005-02-23 | SRM 232 | 1 | 38 | 50.86 | 0.42 | 10 | 2633 | 149 | 49 | 1939 | 171 |
| 70 | 2005-02-08 | SRM 230 | 1 | 125 | 69.17 | -1.11 | -13 | 2624 | 152 | -149 | 1890 | 202 |
| 69 | 2005-01-26 | TCCC05 Round 3 | 1 | 55 | 57.20 | -0.34 | -5 | 2637 | 144 | -51 | 2039 | 129 |
| 68 | 2005-01-22 | SRM 227 | 1 | 11 | 64.82 | 2.56 | 32 | 2642 | 141 | 114 | 2090 | 107 |
| 67 | 2005-01-19 | TCCC05 Round 2 | 1 | 93 | 82.60 | -0.17 | -1 | 2609 | 156 | -14 | 1976 | 149 |
| 66 | 2005-01-15 | TCCC05 Round 1 | 1 | 146 | 93.10 | -0.65 | -8 | 2610 | 152 | -34 | 1990 | 143 |
| 65 | 2005-01-11 | TCCC05 Qual 5 | 1 | 23 | 19.68 | -0.22 | -1 | 2619 | 143 | -1 | 2024 | 126 |
| 64 | 2004-12-28 | SRM 225 | 1 | 38 | 48.12 | 0.34 | 9 | 2620 | 145 | 23 | 2025 | 129 |
| 63 | 2004-12-22 | SRM 224 | 1 | 44 | 47.95 | 0.12 | 6 | 2610 | 150 | 14 | 2002 | 130 |
| 62 | 2004-12-18 | SRM 223 | 1 | 40 | 57.99 | 0.54 | 14 | 2605 | 147 | 42 | 1988 | 136 |
| 61 | 2004-12-07 | SRM 222 | 1 | 12 | 55.92 | 2.22 | 37 | 2591 | 153 | 132 | 1946 | 152 |
| 60 | 2004-12-01 | SRM 221 | 1 | 69 | 63.62 | -0.12 | 0 | 2554 | 175 | 19 | 1814 | 217 |
| 59 | 2004-11-23 | SRM 220 | 1 | 42 | 62.47 | 0.57 | 16 | 2553 | 170 | 72 | 1795 | 231 |
| 58 | 2004-11-20 | SRM 219 | 1 | 28 | 60.19 | 1.10 | 26 | 2537 | 178 | 110 | 1723 | 275 |
| 57 | 2004-11-04 | SRM 218 | 1 | 97 | 45.75 | -1.24 | -20 | 2512 | 196 | -154 | 1613 | 390 |
| 56 | 2004-10-27 | SRM 217 | 1 | 110 | 58.15 | -0.92 | -16 | 2532 | 185 | -65 | 1767 | 256 |
| 55 | 2004-10-18 | SRM 216 | 1 | 62 | 50.61 | -0.29 | -3 | 2548 | 176 | -5 | 1832 | 199 |
| 54 | 2004-10-16 | SRM 215 | 1 | 57 | 42.11 | -0.44 | -5 | 2551 | 172 | -4 | 1837 | 197 |
| 53 | 2004-09-11 | TCO04 Round 1 | 1 | 143 | 128.58 | -0.14 | 0 | 2557 | 154 | 17 | 1841 | 196 |
| 52 | 2004-09-07 | TCO04 Qual 4 | 1 | 26 | 34.91 | 0.42 | 15 | 2556 | 145 | 53 | 1824 | 206 |
| 51 | 2004-09-01 | SRM 210 | 1 | 130 | 72.79 | -0.84 | -16 | 2542 | 151 | -40 | 1771 | 239 |
| 50 | 2004-03-10 | TCCC '04 Round 3 | 1 | 75 | 54.32 | -0.64 | -10 | 2558 | 113 | -95 | 1811 | 183 |
| 49 | 2004-03-03 | TCCC '04 Round 2 | 1 | 50 | 60.03 | 0.26 | 8 | 2568 | 110 | 45 | 1906 | 148 |
| 48 | 2004-03-01 | SRM 185 | 1 | 157 | 52.41 | -1.58 | -18 | 2560 | 116 | -97 | 1861 | 159 |
| 47 | 2004-02-28 | TCCC '04 Round 1 | 1 | 75 | 63.68 | -0.24 | -1 | 2578 | 104 | 12 | 1958 | 121 |
| 46 | 2004-02-23 | TCCC '04 Qual. 1 | 1 | 47 | 15.03 | -1.64 | -20 | 2580 | 99 | -78 | 1946 | 125 |
| 45 | 2004-02-17 | SRM 184 | 1 | 54 | 45.12 | -0.26 | -2 | 2600 | 90 | 0 | 2024 | 98 |
| 44 | 2004-02-11 | SRM 183 | 1 | 27 | 42.91 | 0.67 | 16 | 2601 | 91 | 53 | 2024 | 95 |
| 43 | 2004-01-28 | SRM 181 | 1 | 41 | 42.90 | 0.06 | 5 | 2585 | 100 | 29 | 1971 | 112 |
| 42 | 2004-01-17 | SRM 179 | 1 | 28 | 36.75 | 0.39 | 11 | 2580 | 96 | 52 | 1942 | 121 |
| 41 | 2004-01-07 | SRM 178 | 1 | 48 | 44.89 | -0.10 | 2 | 2569 | 98 | 34 | 1890 | 141 |
| 40 | 2003-12-30 | SRM 177 | 1 | 128 | 30.00 | -2.13 | -25 | 2568 | 96 | -186 | 1856 | 146 |
| 39 | 2003-12-17 | SRM 175 | 1 | 74 | 31.82 | -1.22 | -17 | 2593 | 86 | -71 | 2042 | 90 |
| 38 | 2003-11-25 | SRM 173 | 1 | 13 | 43.71 | 1.75 | 30 | 2610 | 81 | 76 | 2113 | 71 |
| 37 | 2003-11-12 | SRM 171 | 1 | 30 | 48.48 | 0.69 | 16 | 2580 | 85 | 36 | 2037 | 89 |
| 36 | 2003-10-29 | TCO '03 Round 3 | 1 | 75 | 54.41 | -0.46 | -8 | 2564 | 92 | -45 | 2001 | 103 |
| 35 | 2003-10-28 | SRM 169 | 1 | 31 | 40.30 | 0.38 | 11 | 2571 | 88 | 20 | 2046 | 89 |
| 34 | 2003-10-22 | TCO '03 Round 2 | 1 | 52 | 82.84 | 0.67 | 19 | 2560 | 91 | 55 | 2026 | 94 |
| 33 | 2003-10-21 | SRM 168 | 1 | 64 | 47.38 | -0.43 | -5 | 2542 | 96 | -16 | 1971 | 118 |
| 32 | 2003-10-15 | TCO '03 Round 1 | 1 | 72 | 108.76 | 0.60 | 17 | 2547 | 94 | 46 | 1987 | 107 |
| 31 | 2003-10-14 | SRM 167 | 1 | 95 | 51.52 | -0.88 | -13 | 2530 | 95 | -39 | 1941 | 120 |
| 30 | 2003-10-01 | SRM 166 | 1 | 64 | 53.21 | -0.27 | -2 | 2543 | 82 | -3 | 1980 | 97 |
| 29 | 2003-09-23 | SRM 165 | 1 | 16 | 44.07 | 1.46 | 35 | 2545 | 81 | 99 | 1983 | 95 |
| 28 | 2003-09-20 | SRM 164 | 1 | 81 | 39.91 | -1.02 | -18 | 2510 | 94 | -64 | 1884 | 136 |
| 27 | 2003-08-12 | SRM 159 | 1 | 31 | 29.09 | -0.09 | 2 | 2529 | 84 | 8 | 1948 | 104 |
| 26 | 2003-08-06 | SRM 158 | 1 | 62 | 31.94 | -0.96 | -15 | 2526 | 82 | -45 | 1940 | 108 |
| 25 | 2003-07-28 | SRM 157 | 1 | 70 | 27.24 | -1.36 | -23 | 2542 | 78 | -84 | 1985 | 96 |
| 24 | 2003-07-23 | SRM 156 | 1 | 20 | 31.38 | 0.65 | 21 | 2564 | 64 | 36 | 2069 | 74 |
| 23 | 2003-07-17 | SRM 155 | 1 | 50 | 25.07 | -1.00 | -17 | 2543 | 74 | -50 | 2033 | 77 |
| 22 | 2003-07-09 | SRM 154 | 1 | 18 | 27.92 | 0.63 | 22 | 2560 | 64 | 36 | 2083 | 73 |
| 21 | 2003-07-01 | SRM 153 | 1 | 45 | 23.82 | -0.92 | -16 | 2539 | 74 | -42 | 2047 | 75 |
| 20 | 2003-06-25 | SRM 152 | 1 | 18 | 28.89 | 0.68 | 25 | 2555 | 69 | 41 | 2089 | 71 |
| 19 | 2003-06-17 | SRM 151 | 1 | 6 | 38.91 | 2.70 | 63 | 2530 | 78 | 133 | 2048 | 80 |
| 18 | 2003-06-11 | SRM 150 | 1 | 38 | 30.92 | -0.30 | -4 | 2467 | 105 | -6 | 1915 | 122 |
| 17 | 2003-06-02 | SRM 149 | 1 | 66 | 32.65 | -1.02 | -26 | 2471 | 101 | -73 | 1921 | 119 |
| 16 | 2003-05-28 | SRM 148 | 1 | 22 | 33.89 | 0.62 | 28 | 2497 | 89 | 46 | 1994 | 93 |
| 15 | 2003-04-15 | SRM 142 | 1 | 24 | 36.34 | 0.60 | 27 | 2469 | 95 | 50 | 1948 | 95 |
| 14 | 2003-03-26 | SRM 140 | 1 | 48 | 37.06 | -0.37 | -7 | 2442 | 108 | -7 | 1898 | 113 |
| 13 | 2003-03-18 | SRM 139 | 1 | 23 | 42.36 | 0.88 | 37 | 2449 | 101 | 76 | 1905 | 109 |
| 12 | 2003-03-12 | TCCC '03 Round 4 | 1 | 39 | 28.66 | -0.44 | -15 | 2412 | 118 | -68 | 1829 | 139 |
| 11 | 2003-03-10 | SRM 138 | 1 | 35 | 50.55 | 0.53 | 31 | 2427 | 112 | 55 | 1897 | 115 |
| 10 | 2003-03-05 | TCCC '03 Round 3 | 1 | 11 | 73.55 | 2.74 | 116 | 2395 | 122 | 196 | 1842 | 129 |
| 9 | 2003-02-26 | TCCC '03 Round 2 | 1 | 86 | 99.41 | 0.23 | 21 | 2279 | 208 | 42 | 1646 | 253 |
| 8 | 2003-02-25 | SRM 136 | 1 | 34 | 72.92 | 1.10 | 71 | 2258 | 225 | 113 | 1604 | 287 |
| 7 | 2003-02-18 | TCCC '03 NE/SE Regional | 1 | 91 | 44.26 | -1.04 | -44 | 2187 | 295 | -45 | 1491 | 402 |
| 6 | 2003-02-11 | SRM 135 | 1 | 33 | 85.59 | 1.38 | 101 | 2231 | 240 | 144 | 1536 | 347 |
| 5 | 2003-02-08 | SRM 134 | 1 | 57 | 76.42 | 0.42 | 50 | 2130 | 372 | 79 | 1392 | 568 |
| 4 | 2003-02-05 | SRM 133 | 1 | 138 | 66.93 | -1.03 | -84 | 2080 | 440 | -329 | 1313 | 713 |
| 3 | 2003-02-01 | SRM 132 | 1 | 51 | 57.02 | 0.16 | 39 | 2164 | 318 | 11 | 1642 | 250 |
| 2 | 2003-01-30 | SRM 131 | 1 | 44 | 102.05 | 1.21 | 252 | 2125 | 363 | 128 | 1631 | 254 |
| 1 | 2003-01-25 | SRM 130 | 2 | 13 | 100.66 | 2.95 | 584 | 1873 | 790 | 303 | 1503 | 368 |