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Individual Calculations February 2015 |
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| Margiotta, Jason J Total change: -21.80 | |   |
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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 |
| 1695 | 1942 | 1.50 | 3 | -0.86 | 20 | -17.20 | |
|  Hellner, Wesley | | | 1816 | USA | 0.50 | 1 | -0.17 | 20 | -3.40 | |  Qi, Katherene | | | 1542 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Wang, Wesley | | | 1728 | USA | 0.50 | 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) | | | | 98th Annual Marshall Chess Club Championship | New York, New York | USA | 2014-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2145 | 1942 | 0.50 | 3 | -0.23 | 20 | -4.60 | |
| | Chernin, Oliver | | | 2173 | USA | 0.50 | 1 | 0.29 | 20 | 5.80 | | | Akylbekov, Nasyr | | | 2211 | KGZ | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Miyasaka, Matthew Shoji | | | 2050 | USA | 0.00 | 1 | -0.35 | 20 | -7.00 | |
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) | | |
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