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Individual Calculations April 2009 |
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| Shen, Arthur Total change: 0.00 | |   |
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| 35th Annual Eastern Open | Washington DC | USA | 2008-12-27 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 2197 | 0 | 3.00 | 6 | 0.00 | 2197 | | 0.00 | |
|  Privman, Boris | f | | 2185 | USA | 1.00 | 1 | 0.00 | | 0.00 | |  Kleiman, Jake | f | | 2315 | USA | 0.00 | 1 | 0.00 | | 0.00 | | | Reichstein, Boris | f | | 2180 | USA | 0.50 | 1 | 0.00 | | 0.00 | | | Ostrovskiy, Aleksander | c | | 2112 | USA | 0.50 | 1 | 0.00 | | 0.00 | | | Malkiel, Daniel E | | | 2245 | USA | 1.00 | 1 | 0.00 | | 0.00 | | | Sherman, David | | | 2142 | USA | 0.00 | 1 | 0.00 | | 0.00 | |
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) | | | | 41st Annual Liberty Bell Open | Philadelphia, Pennsylvania | USA | 2009-01-16 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 2074 | 0 | 1.00 | 4 | 0.00 | 1881 | | 0.00 | |
| | Times, Jerald W | | | 2196 | USA | 0.00 | 1 | 0.00 | | 0.00 | | | McVay, Karsten A | | | 1863 | USA | 0.50 | 1 | 0.00 | | 0.00 | | | Rubenchik, Rodion | f | | 2309 | USA | 0.00 | 1 | 0.00 | | 0.00 | | | Yagiz, Bora | | | 1926 | USA | 0.50 | 1 | 0.00 | | 0.00 | |
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 | Rp | K | K*chg | Game |
| 2310 | 0 | 0.50 | 3 | 0.00 | 2037 | | 0.00 | |
| | Sorkin, Igor | | | 2346 | ISR | 0.50 | 1 | 0.00 | | 0.00 | | | Mirabile, Tim | | | 2180 | USA | 0.00 | 1 | 0.00 | | 0.00 | | | Kapengut, Albert | m | | 2404 | USA | 0.00 | 1 | 0.00 | | 0.00 | |
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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