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Individual Calculations January 2018 |
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| Berg, George Total change: -27.00 | |   |
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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 |
| 1712 | 1958 | 2.50 | 4 | -0.69 | 20 | -13.80 | |
|  Wu, Eric | | | 1705 | USA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Raparthi, Ankit | | | 1786 | USA | 0.00 | 1 | -0.73 | 20 | -14.60 | |  Hu, Alexander | | | 1588 | USA | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Blackwell, Clayton | | | 1767 | USA | 1.00 | 1 | 0.25 | 20 | 5.00 | |
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) | | | | 101st Edward Lasker Memorial MCC Championship | New York, New York | USA | 2017-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1939 | 1958 | 3.50 | 8 | -0.66 | 20 | -13.20 | |
| | Checa, Nicolas | m | | 2358 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Bonin, Jay | m | | 2262 | USA | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Hu, Alexander | | | 1588 | USA | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Olsen, Robert | | | 2017 | USA | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Adelson, Serge | | | 1820 | USA | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Yen, William | | | 1852 | USA | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Prestia, Sebastian | c | | 1558 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Samadashvili, Martha | | wf | 2056 | USA | 0.50 | 1 | 0.13 | 20 | 2.60 | | | * 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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