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Individual Calculations January 2010 |
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| Mandelkern, Jeremy L Total change: -22.25 | |   |
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| 8th Annual Turkey Bowl | Boca Raton, Florida | USA | 2009-11-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2157 | 2151 | 1.00 | 3 | -0.48 | 25 | -12.00 | |
|  Haskel, Jeffrey | | | 2234 | USA | 0.00 | 1 | -0.39 | 25 | -9.75 | |  Boas, Toby | | | 2187 | USA | 0.50 | 1 | 0.05 | 25 | 1.25 | | | Heung, Christopher | | | 2049 | USA | 0.50 | 1 | -0.14 | 25 | -3.50 | |
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) | | | | 40th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2009-11-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2164 | 2151 | 2.00 | 5 | -0.41 | 25 | -10.25 | |
| | Rosenberg, Evan S | | | 2208 | USA | 0.00 | 1 | -0.42 | 25 | -10.50 | | | Fink Jr, Stanley W | | | 2137 | USA | 1.00 | 1 | 0.48 | 25 | 12.00 | | | Melekhina, Alisa | | wm | 2269 | USA | 0.00 | 1 | -0.34 | 25 | -8.50 | | | Mucerino Jr, Joseph | | | 2075 | USA | 0.00 | 1 | -0.60 | 25 | -15.00 | | | Katz, Benjamin J | | | 2130 | USA | 1.00 | 1 | 0.47 | 25 | 11.75 | |
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) | | |
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