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Individual Calculations May 2010 |
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| Kaufman, Raymond Total change: -10.95 | |   |
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| 40th Annual World Amateur Team & US Tean East | Parsippany, New Jersey | USA | 2010-02-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2215 | 2280 | 1.00 | 2 | -0.15 | 15 | -2.25 | |
|  Sharp, Dale Eugene | | | 2037 | USA | 1.00 | 1 | 0.20 | 15 | 3.00 | |  Molner, Mackenize | | | 2393 | USA | 0.00 | 1 | -0.35 | 15 | -5.25 | |
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) | | | | 42nd Annual Virginia Open | McLean, Virginia | USA | 2010-03-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1980 | 2297 | 1.00 | 2 | -0.72 | 15 | -10.80 | |
| | Rogalski, Timothy | | | 2056 | USA | 0.00 | 1 | -0.80 | 15 | -12.00 | | | Winter, Curtis A | | | 1903 | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | |
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) | | | | 50th Maryland Open | Rockville, Maryland | USA | 2010-04-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2190 | 2297 | 2.00 | 3 | 0.14 | 15 | 2.10 | |
| | Shapiro, Jonathan | | | 1960 | USA | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Leach, Daniel F | | | 2127 | USA | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Smith, Bryan G | m | | 2484 | 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) | | |
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