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Individual Calculations April 2009 |
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| Sivakumar, Kavinay Total change: 0.00 | |   |
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| 41st Annual Liberty Bell Open | Philadelphia, Pennsylvania | USA | 2009-01-16 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 2145 | 0 | 1.50 | 4 | 0.00 | 2058 | | 0.00 | |
|  Ng, Andrew | | | 2127 | USA | 0.50 | 1 | 0.00 | | 0.00 | |  Greanias, Steven D | | | 2140 | USA | 0.50 | 1 | 0.00 | | 0.00 | | | Sana, Mariano | | | 2116 | USA | 0.50 | 1 | 0.00 | | 0.00 | | | Times, Jerald W | | | 2196 | USA | 0.00 | 1 | 0.00 | | 0.00 | |
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 | Rp | K | K*chg | Game |
| 2012 | 0 | 1.00 | 2 | 0.00 | 2012 | | 0.00 | |
| | Charbonneau, Anne-Marie | | | 2018 | CAN | 0.50 | 1 | 0.00 | | 0.00 | | | Kennedy, Shernaz | | wm | 2006 | USA | 0.50 | 1 | 0.00 | | 0.00 | |
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) | | | | 18th Annual Eastern Class Championships | Sturbridge, Massachusetts | USA | 2009-03-06 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 2061 | 0 | 1.50 | 3 | 0.00 | 2061 | | 0.00 | |
| | Meredith, Matthew D | | | 2033 | USA | 1.00 | 1 | 0.00 | | 0.00 | | | Parry, Matt J | | | 2225 | USA | 0.00 | 1 | 0.00 | | 0.00 | | | Finney, Stuart S | | | 1926 | USA | 0.50 | 1 | 0.00 | | 0.00 | |
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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