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Individual Calculations January 2018 |
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| Adelson, Serge Total change: -15.20 | |   |
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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 |
| 1977 | 1820 | 1.00 | 3 | 0.08 | 20 | 1.60 | |
|  Vialet, Theodore | | | 2117 | USA | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Boxer, Matthew | | | 1813 | USA | 1.00 | 1 | 0.49 | 20 | 9.80 | |  Lu, Jason | | | 2001 | USA | 0.00 | 1 | -0.26 | 20 | -5.20 | |
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) | | | | 101st Edward Lasker Memorial MCC Championship | New York, New York | USA | 2017-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1960 | 1820 | 1.50 | 7 | -0.84 | 20 | -16.80 | |
| | Bonin, Jay | m | | 2220 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Olsen, Robert | | | 2017 | USA | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Boxer, Matthew | | | 1813 | USA | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Tsay, Vincent | f | | 2124 | USA | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Berg, George | | | 1958 | USA | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Lu, Jason | | | 2001 | USA | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Hu, Alexander | | | 1588 | 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) | | |
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