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Individual Calculations July 2012 |
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| Foygel, Igor Total change: -12.60 | |   |
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| Metrowest CC Club Championship | Natick, MA | USA | 2012-05-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2175 | 2481 | 3.50 | 4 | 0.09 | 10 | 0.90 | |
|  Krasik, Ilya | | | 2176 | USA | 1.00 | 1 | 0.14 | 10 | 1.40 | |  Times, Lawyer | | | 2081 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Bisguier, Arthur B | g | | 2225 | USA | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Martirosov, Vadim | | | 2217 | USA | 0.50 | 1 | -0.32 | 10 | -3.20 | | | * 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) | | | | 81st Massachusetts Open | Marlboro, Massachusetts | USA | 2012-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2186 | 2481 | 2.00 | 4 | -1.35 | 10 | -13.50 | |
| | Schoonmaker, Nicholas | c | | 2150 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Wang, Andrew C | | | 2151 | USA | 0.00 | 1 | -0.88 | 10 | -8.80 | | | Liu, Andrew | | | 2086 | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Yedidia, Jonathan | m | | 2357 | USA | 0.00 | 1 | -0.67 | 10 | -6.70 | |
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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