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Individual Calculations February 2015 |
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| Zats, Yefrem Total change: -49.60 | |   |
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| Marshall Amateur Championship/Jerry Simon Memorial FIDE rated | New York, New York | USA | 2014-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2000 | 2075 | 2.00 | 3 | 0.20 | 20 | 4.00 | |
|  Miyasaka, Marcus M | | | 2056 | USA | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Adelson, Serge | | | 1894 | USA | 1.00 | 1 | 0.26 | 20 | 5.20 | |  Miyasaka, Matthew | | | 2050 | USA | 1.00 | 1 | 0.47 | 20 | 9.40 | |
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) | | | | 98th Annual Marshall Chess Club Championship | New York, New York | USA | 2014-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2009 | 2075 | 2.00 | 8 | -2.68 | 20 | -53.60 | |
| | Chandra, Akshat | m | | 2475 * | USA | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Wang, Wesley | | | 1728 | USA | 0.00 | 1 | -0.89 | 20 | -17.80 | | | Gorti, Akshita | | wf | 1970 | USA | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Yagiz, Bora | | | 1960 | TUR | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Brandon, Jacobson | c | | 1981 | USA | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Quick, Bryan | | | 1721 | USA | 0.00 | 1 | -0.89 | 20 | -17.80 | | | Atakay, Mustafa | | | 1987 | USA | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Alexopoulos, Georg | f | | 2249 | GRE | 0.00 | 1 | -0.27 | 20 | -5.40 | | | * 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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