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Individual Calculations January 2018 |
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| Yen, William Total change: 157.60 | |   |
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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 |
| 1828 | 1852 | 2.50 | 3 | 0.91 | 40 | 36.40 | |
|  Boxer, Matthew | | | 1813 | USA | 1.00 | 1 | 0.45 | 40 | 18.00 | |  Atakay, Mustafa | | | 1885 | USA | 1.00 | 1 | 0.55 | 40 | 22.00 | | | Liang, Jason | | | 1786 | USA | 0.50 | 1 | -0.09 | 40 | -3.60 | |
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) | | | | 101st Edward Lasker Memorial MCC Championship | New York, New York | USA | 2017-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2160 | 1852 | 4.00 | 6 | 3.03 | 40 | 121.20 | |
| | Sarkar, Justin | m | | 2252 * | USA | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Perez, Robert | | | 2252 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Olsen, Robert | | | 2017 | USA | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Krush, Irina | g | wg | 2252 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Berg, George | | | 1958 | USA | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Jacobs, Jon | f | | 2230 | USA | 1.00 | 1 | 0.91 | 40 | 36.40 | | | * 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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