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Individual Calculations September 2023 |
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| Stefanello, Michael Total change: -50.40 | |   |
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| 1st Annual Pennsylvania Classic | Langhorne, Pennsylvania | USA | 2023-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1847 | 1663 | 0.00 | 3 | -0.99 | 40 | -39.60 | |
|  Ansh, Shah | | | 2173 | IND | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Kevin, Zhang Li | | | 1769 | USA | 0.00 | 1 | -0.36 | 40 | -14.40 | |  Alice, Chovanec | | | 1599 | USA | 0.00 | 1 | -0.59 | 40 | -23.60 | |
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) | | | | 55th annual Atlantic Open - U2100 | Reston, VA | USA | 2023-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1539 | 1675 | 3.00 | 5 | -0.27 | 40 | -10.80 | |
| | Mohammad, Saad Al-Deen | | | 1454 | JOR | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Thomas, Nicholas Andrew | | | 1534 | USA | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Rigai, Jon | | | 1704 | USA | 0.00 | 1 | -0.46 | 40 | -18.40 | | | Le, Phong Tuan | | | 1275 * | VIE | 0.00 | 1 | -0.92 | 40 | -36.80 | | | Nazareno, Merlin Subion | | | 1729 | CAN | 1.00 | 1 | 0.58 | 40 | 23.20 | | | * 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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