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Individual Calculations May 2011 |
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| Colas, Joshua Total change: -23.55 | |   |
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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 |
| 2105 | 2049 | 0.00 | 4 | -1.69 | 15 | -25.35 | |
|  Schwartz, Maxwell | | | 2090 | USA | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Katz, Benjamin | | | 2119 | USA | 0.00 | 1 | -0.40 | 15 | -6.00 | |  Tuhrim, Richard J | | | 2123 | USA | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Lawson, Brian | | | 2086 | USA | 0.00 | 1 | -0.45 | 15 | -6.75 | |
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 |
| 2109 | 2064 | 1.00 | 2 | 0.12 | 15 | 1.80 | |
| | Finney, Stuart S | | | 2122 | USA | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Tkach, Leonid | | | 2095 | USA | 1.00 | 1 | 0.54 | 15 | 8.10 | |
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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