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Individual Calculations July 2012 |
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| Ivanov, Alexander Total change: 2.60 | |   |
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| 81st Massachusetts Open | Marlboro, Massachusetts | USA | 2012-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2308 | 2526 | 5.00 | 6 | 0.42 | 10 | 4.20 | |
|  Curdo, John A | f | | 2227 | USA | 1.00 | 1 | 0.15 | 10 | 1.50 | |  Kelleher, William | f | | 2311 | USA | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Perez, Robert | | | 2314 | USA | 0.50 | 1 | -0.27 | 10 | -2.70 | | | Wang, Andrew C | | | 2151 | USA | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Shmelov, Denys K | | | 2415 | UKR | 0.50 | 1 | -0.15 | 10 | -1.50 | | | Vigorito, David | m | | 2429 | USA | 1.00 | 1 | 0.37 | 10 | 3.70 | |
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) | | | | 62nd New Hampshire Open | Manchester, New Hampshire | USA | 2012-06-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2235 | 2526 | 4.00 | 5 | -0.16 | 10 | -1.60 | |
| | Khater, Sherif A | | | 2126 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Terrie, Henry L | | | 2126 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Bournival, Braden | f | | 2320 | USA | 0.50 | 1 | -0.26 | 10 | -2.60 | | | Castaneda, Nelson | f | | 2244 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Yedidia, Jonathan | m | | 2357 | USA | 0.50 | 1 | -0.22 | 10 | -2.20 | | | * 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) | | |
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