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Individual Calculations April 2009 |
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| Shvartsman, Andrew N Total change: 4.20 | |   |
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| 41st Annual Liberty Bell Open | Philadelphia, Pennsylvania | USA | 2009-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2124 | 2053 | 1.50 | 4 | -0.11 | 15 | -1.65 | |
|  Uesugi, Shinsaku | | | 2243 | JPN | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Saperstein, Craig M | | | 1851 | USA | 1.00 | 1 | 0.24 | 15 | 3.60 | |  Rosenberg, Evan S | | | 2167 | USA | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Minear, Peter | | | 2235 | USA | 0.00 | 1 | -0.26 | 15 | -3.90 | |
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 |
| 2313 | 2053 | 1.00 | 3 | 0.39 | 15 | 5.85 | |
| | Charbonneau, Pasca | g | | 2403 | CAN | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Kacheishvili, Gior | g | | 2403 | GEO | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Higgins, Derrick | | | 2134 | USA | 1.00 | 1 | 0.61 | 15 | 9.15 | |
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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