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Individual Calculations September 2009 |
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| Tate, Emory A Total change: 19.20 | |   |
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| 37th Annual World Open - Under 2400 Section | Philadelphia, Pennsylvania | USA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2196 | 2325 | 3.50 | 4 | 0.82 | 10 | 8.20 | |
|  Chernin, Oliver | | | 2137 | USA | 1.00 | 1 | 0.26 | 10 | 2.60 | |  Markzon, Gregory | f | | 2203 | USA | 1.00 | 1 | 0.33 | 10 | 3.30 | | | Daly, Troy | | | 2125 | USA | 0.50 | 1 | -0.26 | 10 | -2.60 | | | Figler, Ilye | f | | 2319 | USA | 1.00 | 1 | 0.49 | 10 | 4.90 | |
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) | | | | 14th Annual Pacific Coast Open | Agoura Hills, California | USA | 2009-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2400 | 2303 | 2.00 | 3 | 0.87 | 10 | 8.70 | |
| | Khachiyan, Melikset | g | | 2516 | USA | 0.50 | 1 | 0.27 | 10 | 2.70 | | | Anderson, Renard W | f | | 2207 | USA | 1.00 | 1 | 0.37 | 10 | 3.70 | | | Matikozyan, Andran | m | | 2478 | ARM | 0.50 | 1 | 0.23 | 10 | 2.30 | |
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) | | | | 110th Annual US Open | Indianapolis, Indiana | USA | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2262 | 2303 | 3.00 | 5 | 0.23 | 10 | 2.30 | |
| | Sevillano, Enrico | m | | 2528 | USA | 0.00 | 1 | -0.22 | 10 | -2.20 | | | Sana, Mariano | | | 2127 | USA | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Barsky, Sam | | | 2087 | USA | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Finegold, Benjamin | m | | 2513 | USA | 0.00 | 1 | -0.23 | 10 | -2.30 | | | O`Donnell, Robert | | | 2054 | USA | 1.00 | 1 | 0.19 | 10 | 1.90 | |
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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