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Individual Calculations September 2009 |
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| Hilton, Jonathan L Total change: -1.95 | |   |
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| 37th Annual World Open - Under 2400 Section | Philadelphia, Pennsylvania | USA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2149 | 2220 | 3.50 | 6 | -0.05 | 15 | -0.75 | |
|  Strenzwilk, Denis | | | 2079 | USA | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Ruiz Gonzalez, Gui | f | | 2130 | MEX | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Kleiman, Jake | f | | 2326 | USA | 0.00 | 1 | -0.36 | 15 | -5.40 | |  Filipovich, David | | | 2181 | CAN | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Wall, Brian D | | | 2193 | USA | 0.00 | 1 | -0.54 | 15 | -8.10 | | | Gershenov, Ben | | | 1987 | USA | 1.00 | 1 | 0.21 | 15 | 3.15 | |
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) | | | | 110th Annual US Open | Indianapolis, Indiana | USA | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2191 | 2272 | 3.50 | 6 | -0.08 | 15 | -1.20 | |
| | Gatica, Jose M | | | 1931 | USA | 0.50 | 1 | -0.38 | 15 | -5.70 | | | Aird, Ian | | | 2031 | SCO | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Rea, Andrew B | | | 2136 | USA | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Yermolinsky, Alex | g | | 2527 | USA | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Lenderman, Alex | m | | 2504 | USA | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Moroney, Timothy M | | | 2014 | USA | 0.50 | 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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