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Individual Calculations April 2009 |
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| Charbonneau, Pasca Total change: 4.90 | |   |
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| Bermuda International Open | hamilton | BER | 2009-01-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2310 | 2500 | 2.50 | 3 | 0.35 | 10 | 3.50 | |
|  Sciacca, Patrick | | | 2166 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | |  Ivanov, Alexander | g | | 2541 | USA | 0.50 | 1 | 0.06 | 10 | 0.60 | | | Cherniack, Alex | | | 2222 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | |
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) | | | | 39th Annual World Amateur Team & US Team East | Parsippany, New Jersey | USA | 2009-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2208 | 2500 | 3.50 | 4 | 0.14 | 10 | 1.40 | |
| | Shvartsman, Andrew | | | 2150 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Feuerstein, Arthur | | | 2150 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Toolin, Christophe | | | 2197 | USA | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Yeager, Daniel A | f | | 2336 | USA | 0.50 | 1 | -0.22 | 10 | -2.20 | |
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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