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Individual Calculations September 2021 |
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| Wang, Ellen Total change: -60.40 | |   |
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| 4th Annual Peter Henner Memorial - Major | Albany, New York | USA | 2021-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1900 | 2007 | 2.50 | 5 | -0.70 | 40 | -28.00 | |
|  Taylor, Steven A | | | 2010 | USA | 0.50 | 1 | 0.00 | 40 | 0.00 | |  Lancman, Kyle B. | | | 1817 | USA | 0.00 | 1 | -0.75 | 40 | -30.00 | | | Chipkin, Leonard B | | | 2010 | USA | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Ye, Stephen | | | 1783 | USA | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Jin, Derek | | | 1880 | USA | 0.00 | 1 | -0.67 | 40 | -26.80 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 2021 North American Youth Chess Championships - Open Under 16 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1914 | 2088 | 5.50 | 9 | -0.81 | 40 | -32.40 | |
| | Gaisinsky, Jacob | | | 1688 * | CAN | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Bui, Alan | | | 1898 | CAN | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Park, Evan | | | 2247 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Kaplan, Avi Harris | | | 1756 | USA | 0.50 | 1 | -0.38 | 40 | -15.20 | | | Rusonik, Max | c | | 2047 | CAN | 0.00 | 1 | -0.56 | 40 | -22.40 | | | Xu, Bernie | | | 1895 | USA | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Heller, Jack | | | 1710 | USA | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Lee, Linden Marcus | | | 1931 | USA | 0.50 | 1 | -0.21 | 40 | -8.40 | | | De La Colina, Nicolas | | | 2056 | USA | 0.50 | 1 | -0.04 | 40 | -1.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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