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Individual Calculations October 2012 |
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| Kopiecki, Edward P Total change: -15.60 | |   |
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| 2012 MCC July-August FIDE Monday | New York, New York | USA | 2012-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2150 | 2001 | 0.00 | 1 | -0.30 | 15 | -4.50 | |
|  Perez-Billinghurst, Ricardo | | | 2150 | USA | 0.00 | 1 | -0.30 | 15 | -4.50 | |
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) | | | | 2012 Marshall September Grand Prix | New York, New York | USA | 2012-09-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2066 | 1975 | 0.50 | 3 | -0.74 | 15 | -11.10 | |
|  Sarkar, Justin | m | | 2375 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Schein, Aaron O | | | 2024 | USA | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Kantey, David | | | 1800 | USA | 0.50 | 1 | -0.23 | 15 | -3.45 | | | * 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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