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Individual Calculations March 2011 |
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| Kats, Alena Total change: 30.15 | |   |
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| 29th Annual Empire City Open | New York, New York | USA | 2010-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2314 | 2068 | 3.00 | 4 | 2.16 | 15 | 32.40 | |
|  Mandizha, Farai | f | | 2406 | ZIM | 1.00 | 1 | 0.88 | 15 | 13.20 | |  Pressman, Leif A | | | 2140 | USA | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Sarkar, Justin | m | | 2413 | USA | 0.50 | 1 | 0.39 | 15 | 5.85 | | | Hoffmann, Asa | f | | 2296 | USA | 0.50 | 1 | 0.29 | 15 | 4.35 | |
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 January Grand Prix | New York, New York | USA | 2011-01-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2000 | 2055 | 1.00 | 2 | -0.15 | 15 | -2.25 | |
| | Frumkin, Edward A | | | 1962 | USA | 0.00 | 1 | -0.63 | 15 | -9.45 | | | Layevskiy, Michael | | | 2038 | USA | 1.00 | 1 | 0.48 | 15 | 7.20 | |
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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