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Individual Calculations October 2021 |
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| Alazawi, Samir Total change: -50.60 | |   |
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| 2021 Howard Donnelly Memorial Championship - Under 2000 | San Francisco, California | USA | 2021-09-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1562 | 1772 | 1.50 | 3 | -0.79 | 20 | -15.80 | |
|  Mahooti, James | | | 1497 | USA | 1.00 | 1 | 0.17 | 20 | 3.40 | |  Willy, Stephen | | | 1623 | USA | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Yao, Hanchi | | | 1567 | USA | 0.00 | 1 | -0.76 | 20 | -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 SJCC Fall Championship | Milpitas, California | USA | 2021-09-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1717 | 1772 | 0.00 | 3 | -1.74 | 20 | -34.80 | |
| | Tia, Rudy | | | 1746 | PNG | 0.00 | 1 | -0.54 | 20 | -10.80 | | | Fong, Kevin | | | 1718 | USA | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Zhou, Chelsea | | | 1687 | USA | 0.00 | 1 | -0.62 | 20 | -12.40 | |
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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