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Individual Calculations July 2009 |
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| West, James R Total change: -18.45 | |   |
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| New York March Open | New York, New York | USA | 2009-03-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1999 | 2193 | 0.00 | 1 | -0.75 | 15 | -11.25 | |
|  Gershenov, Ben | | | 1999 | USA | 0.00 | 1 | -0.75 | 15 | -11.25 | |
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) | | | | 2009 New York May Open | New York, New York | USA | 2009-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2055 | 2180 | 1.50 | 3 | -0.48 | 15 | -7.20 | |
| | Paciulli, Frank R | | | 1950 | USA | 0.50 | 1 | -0.29 | 15 | -4.35 | |  Xu, Yuan | | | 2155 | USA | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Ostrovskiy, Aleksandr | c | | 2061 | USA | 0.50 | 1 | -0.16 | 15 | -2.40 | |
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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