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Individual Calculations October 2008 |
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| Margulis, Yevgeni Total change: 3.00 | |   |
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| NY Marshall CC International | New York, NY | USA | 2008-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2322 | 2253 | 3.00 | 8 | -0.25 | 25 | -6.25 | |
|  Sorkin, Igor | | | 2346 | ISR | 0.50 | 1 | 0.13 | 25 | 3.25 | |  Burnett, Ronald | m | | 2373 | USA | 0.00 | 1 | -0.34 | 25 | -8.50 | | | Jacobs, Jon | f | | 2292 | USA | 1.00 | 1 | 0.55 | 25 | 13.75 | | | Molner, Mackenzie | | | 2338 | USA | 0.00 | 1 | -0.38 | 25 | -9.50 | | | Battaglini, Gabriel | | | 2356 | FRA | 0.00 | 1 | -0.36 | 25 | -9.00 | | | Naranja, Renato C | m | | 2308 | PHI | 1.00 | 1 | 0.58 | 25 | 14.50 | | | Mac, Intyre Paul | f | | 2291 | USA | 0.00 | 1 | -0.45 | 25 | -11.25 | | | Khariton, Lev | | | 2270 | FRA | 0.50 | 1 | 0.02 | 25 | 0.50 | |
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) | | | | NY August Open | New York, NY | USA | 2008-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2354 | 2271 | 0.00 | 1 | -0.39 | 25 | -9.75 | |
| | Braylovskiy, Grigory | | | 2354 | USA | 0.00 | 1 | -0.39 | 25 | -9.75 | |
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) | | | | 40th Annual Atlantic Open | Washington, DC | USA | 2008-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2268 | 2271 | 2.00 | 4 | -0.01 | 25 | -0.25 | |
| | Bonin, Jay | m | | 2385 | USA | 0.00 | 1 | -0.34 | 25 | -8.50 | | | Lu, Edward J | | | 2185 | USA | 1.00 | 1 | 0.38 | 25 | 9.50 | | | Aliyev, Timur | | | 2219 | ISR | 1.00 | 1 | 0.43 | 25 | 10.75 | | | Heimann, Mark A | | | 2284 | USA | 0.00 | 1 | -0.48 | 25 | -12.00 | |
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) | | | | New York September Open | New York, New York | USA | 2008-09-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2384 | 2271 | 1.50 | 2 | 0.77 | 25 | 19.25 | |
| | Yudasin, Leonid G | g | | 2550 | ISR | 0.50 | 1 | 0.34 | 25 | 8.50 | | | Treger, Yefim | | | 2218 | USA | 1.00 | 1 | 0.43 | 25 | 10.75 | |
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) | | |
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