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Individual Calculations September 2021 |
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| Parikh, Ananya Dev Total change: -91.20 | |   |
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| 51st Annual Continental Open - Under 2000 | Sturbridge, Massachusetts | USA | 2021-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1643 | 1614 | 0.50 | 2 | -0.42 | 40 | -16.80 | |
|  Oconnor, Eric | | | 1587 | USA | 0.50 | 1 | -0.04 | 40 | -1.60 | |  Hardin, John Michael | | | 1698 | USA | 0.00 | 1 | -0.38 | 40 | -15.20 | |
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 - Girls Under 16 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1470 | 1614 | 3.50 | 8 | -1.86 | 40 | -74.40 | |
| | Bilodeau-Savaria, Sandy-Rose | | | 1338 | CAN | 0.50 | 1 | -0.33 | 40 | -13.20 | | | Luster, Shakira | | | 1427 | USA | 0.00 | 1 | -0.74 | 40 | -29.60 | | | Szeto, Sophie | | | 1271 | USA | 0.50 | 1 | -0.38 | 40 | -15.20 | | | D`souza, Carina | | | 1302 | CAN | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Hernandez, Ortega Carolina | | wc | 1563 | MEX | 0.50 | 1 | -0.07 | 40 | -2.80 | | | Kumar, Asha | | | 1601 | USA | 0.50 | 1 | -0.02 | 40 | -0.80 | | | Eswaran, Aksithi | | wc | 1755 | USA | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Wiley, Elizabeth R | | | 1501 | USA | 0.50 | 1 | -0.15 | 40 | -6.00 | |
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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