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Individual Calculations February 2020 |
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| Koo, Calvin Total change: 20.40 | |   |
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| Burger Memorial Championship 2020 - Open Section | San Francisco, California | USA | 2020-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1817 | 1488 | 1.50 | 4 | 0.98 | 40 | 39.20 | |
|  Lin, Nm Daniel | | | 1756 | USA | 0.50 | 1 | 0.33 | 40 | 13.20 | |  Hakobyan, Sos | | | 1734 | USA | 1.00 | 1 | 0.81 | 40 | 32.40 | | | Wu, Derek | | | 1888 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Baradaran, Arman | | | 1888 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | Berkeley Weekend Fun - Jan 2020 | Berkeley, California | USA | 2020-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1785 | 1488 | 0.00 | 3 | -0.47 | 40 | -18.80 | |
| | Shivakumar, Shawnak | | | 1877 | USA | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Finkelstein, Alan | | | 1696 | USA | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Pullela, Sricharan | | | 1781 | USA | 0.00 | 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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