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Individual Calculations May 2011 |
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| Richman, Jonathan Total change: 44.90 | |   |
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| 2011 World Amateur Team & US Team East | Parsippany, New Jersery | USA | 2011-02-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2168 | 2123 | 1.50 | 2 | 0.63 | 25 | 15.75 | |
|  Finn, Sean N | | | 2171 | USA | 1.00 | 1 | 0.57 | 25 | 14.25 | |  Mirabile, Tim | | | 2165 | USA | 0.50 | 1 | 0.06 | 25 | 1.50 | |
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) | | | | 2nd Annual Hartford Open | Windsor Locks, Connecticut | USA | 2011-04-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2297 | 2021 | 1.50 | 4 | 0.74 | 25 | 18.50 | |
| | Smarty, Sylvester | | | 2123 | USA | 1.00 | 1 | 0.64 | 25 | 16.00 | | | De Firmian, Nick E | g | | 2421 * | USA | 0.50 | 1 | 0.42 | 25 | 10.50 | | | Hungaski, Robert A | m | | 2421 * | USA | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Fikiet, Alex M | | | 2223 | USA | 0.00 | 1 | -0.24 | 25 | -6.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | NOTE: K factor changed | | 2nd Annual Philadelphia Open | Philadelphia, Pennsylvania | USA | 2011-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2089 | 2021 | 3.50 | 7 | 0.71 | 15 | 10.65 | |
| | Itkis, Hana | | wf | 2128 | USA | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Weiss, Allen | | | 2183 | USA | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Friedman, Josef I | f | | 2178 | USA | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Rentala, Nagendra | | | 2314 | IND | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Daly, Troy | | | 2125 | USA | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Alvarez, Tirso | | | 1621 * | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Marcolino, Daniel M | | | 2074 | BRA | 1.00 | 1 | 0.57 | 15 | 8.55 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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