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Individual Calculations May 2011 |
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| Kats, Alena Total change: 7.05 | |   |
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| 2011 New York March Open | New York, New York | USA | 2011-03-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2040 | 2085 | 2.50 | 4 | 0.26 | 15 | 3.90 | |
|  Farber, Nelson M | | | 1988 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | |  Pressman, Leif A | | | 2198 | USA | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Raphael, Christopher | | | 1924 | TRI | 0.50 | 1 | -0.21 | 15 | -3.15 | | | Wu, Christopher | | | 2051 | USA | 1.00 | 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) | | | | 2011 Marshall April Grand Prix | New York, New York | USA | 2011-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2041 | 2085 | 1.50 | 2 | 0.38 | 15 | 5.70 | |
| | Tuhrim, Richard J | | | 2130 | USA | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Paciulli, Frank | | | 1951 | USA | 1.00 | 1 | 0.32 | 15 | 4.80 | |
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 Philadelphia Open | Philadelphia, Pennsylvania | USA | 2011-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2195 | 2085 | 2.00 | 6 | -0.17 | 15 | -2.55 | |
| | Reis, Virginia L | | | 1835 | BRA | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Belliard, Luis | | | 2212 | DOM | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Holt, Conrad | f | | 2408 | USA | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Aaron, Deepak | | | 2253 | USA | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Adu, Oladapo Oluto | m | | 2296 | NGR | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Klings, Peter | | | 2164 | GER | 0.50 | 1 | 0.11 | 15 | 1.65 | |
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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