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Individual Calculations August 2022 |
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| Opaska, Michael Total change: -34.80 | |   |
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| 50th Annual World Open - Under 2000 | Philadelphia, Pennsylvania | USA | 2022-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1566 | 1865 | 2.00 | 4 | -1.38 | 20 | -27.60 | |
|  Dey, Ranjan | | | 1465 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Chen, Megan | | | 1610 | USA | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Maridi, Ritvik Kishore | | | 1554 | USA | 0.50 | 1 | -0.36 | 20 | -7.20 | | | Chen, Yiming | | | 1636 | USA | 0.50 | 1 | -0.29 | 20 | -5.80 | | | * 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) | | | | 23rd annual Pittsburgh Open Under 2100 | Pittsburgh, PA | USA | 2022-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1751 | 1845 | 1.50 | 3 | -0.36 | 20 | -7.20 | |
| | Painter, Jacob Daniel | | | 1808 | USA | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Wang, Chloe Heather | | | 1598 | USA | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Mansurov, Yusuf | | | 1848 | USA | 0.00 | 1 | -0.50 | 20 | -10.00 | |
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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