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Individual Calculations January 2018 |
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| Boxer, Matthew Total change: -11.80 | |   |
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| 2017 Marshall Amateur Championship Jerry Simon Memorial | New York, New York | USA | 2017-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1709 | 1813 | 2.00 | 4 | -0.52 | 20 | -10.40 | |
|  Yen, William | | | 1852 | USA | 0.00 | 1 | -0.45 | 20 | -9.00 | |  Walton, John | | | 1553 | USA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Adelson, Serge | | | 1820 | USA | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Glad, Clayton | | | 1609 | USA | 1.00 | 1 | 0.24 | 20 | 4.80 | |
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) | | | | 101st Edward Lasker Memorial MCC Championship | New York, New York | USA | 2017-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1925 | 1813 | 2.50 | 7 | -0.07 | 20 | -1.40 | |
| | Jacobs, Jon | f | | 2213 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Yagiz, Bora | | | 1867 | TUR | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Lu, Jason | | | 2001 | USA | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Adelson, Serge | | | 1820 | USA | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Zlotchevsky, Nicole | | | 1857 | USA | 1.00 | 1 | 0.56 | 20 | 11.20 | | | Vishwanathan, Ram | | | 1829 | IND | 0.00 | 1 | -0.48 | 20 | -9.60 | | | Frumkin, Edward | | | 1886 | USA | 1.00 | 1 | 0.60 | 20 | 12.00 | | | * 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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