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Individual Calculations September 2009 |
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| Ostrovskiy, Aleksandr Total change: 26.25 | |   |
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| 2nd New York International | New York, NY | USA | 2009-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2193 | 2061 | 2.50 | 7 | 0.11 | 15 | 1.65 | |
|  Gerzhoy, Leonid | m | | 2411 | CAN | 0.00 | 1 | -0.11 | 15 | -1.65 | |  Balasubramanian, Adit | | | 2212 | IND | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Zaderman, Vitaly | | | 2214 | USA | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Yagiz, Bora | | | 1910 | USA | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Zhao, Parker B | | | 2301 | USA | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Zenyuk, Iryna | c | wm | 2305 | USA | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Farber, Nelson M | | | 2001 | USA | 0.50 | 1 | -0.08 | 15 | -1.20 | |
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) | | | | Curacao Chess Festival 2009 | Curacao Netherlands Antilles | AHO | 2009-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2055 | 2089 | 6.00 | 8 | 1.64 | 15 | 24.60 | |
| | Pesqueira, Jose | | | 1979 | ARU | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Flanders, Cander | | | 2015 | AHO | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Lopez, Juste | c | | 2013 | ARU | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Suez-Panama, Gilles | | | 2122 | FRA | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Izijk, Jimmy | | | 2006 | AHO | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Hernandez, Alexander | f | | 2261 | VEN | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Jaramillio, Alonso | | | 1957 | VEN | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Lopez, Jasel | | | 2086 | ARU | 0.50 | 1 | 0.00 | 15 | 0.00 | |
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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