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Individual Calculations April 2009 |
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| Feuerstein, Arthur Total change: 2.55 | |   |
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| 39th Annual World Amateur Team & US Team East | Parsippany, New Jersey | USA | 2009-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2365 | 2103 | 1.00 | 4 | 0.17 | 15 | 2.55 | |
|  Charbonneau, Pasca | g | | 2453 | CAN | 0.00 | 1 | -0.11 | 15 | -1.65 | |  Sarkar, Justin | m | | 2453 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Ryba, Nicholas | | | 2101 | USA | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Kacheishvili, Gior | g | | 2453 | GEO | 0.00 | 1 | -0.11 | 15 | -1.65 | |
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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