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Individual Calculations April 2009 |
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| Minear, Peter Total change: 6.75 | |   |
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| 41st Annual Liberty Bell Open | Philadelphia, Pennsylvania | USA | 2009-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2081 | 2235 | 2.00 | 3 | -0.09 | 15 | -1.35 | |
|  Lima, Louis | | | 1975 | USA | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Katz, Michael S | | | 2216 | USA | 0.00 | 1 | -0.53 | 15 | -7.95 | |  Shvartsman, Andrew N | | | 2053 | USA | 1.00 | 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 |
| 2121 | 2235 | 2.50 | 3 | 0.54 | 15 | 8.10 | |
| | Fielding, Paul T | | | 2168 | USA | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Shapiro, Michael | | | 2092 | USA | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Guevara, Robert | | | 2103 | USA | 1.00 | 1 | 0.32 | 15 | 4.80 | |
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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