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Individual Calculations July 2008 |
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| Vigorito, David Total change: -23.60 | |   |
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| 10th Annual Foxwoods Open | Mashantucket, Connecticut | USA | 2008-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2301 | 2406 | 5.00 | 9 | -0.70 | 10 | -7.00 | |
|  Strenzwilk, Denis | | | 2121 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | |  Formanek, Edward | m | | 2274 | USA | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Shibut, Macon | f | | 2296 | USA | 0.00 | 1 | -0.65 | 10 | -6.50 | | | Chan, Julian | | | 2130 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Rodriguez, Eric | | | 2267 | USA | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Macintyre, Paul | f | | 2299 | USA | 1.00 | 1 | 0.35 | 10 | 3.50 | | | Stripunsky, Alexander | g | | 2570 | USA | 0.00 | 1 | -0.28 | 10 | -2.80 | | | Bonin, Jay | m | | 2351 | USA | 0.00 | 1 | -0.58 | 10 | -5.80 | | | Hungaski, Robert | m | | 2404 | USA | 0.50 | 1 | 0.00 | 10 | 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) | | | | 2008 Frank K Berry US Championship | Tulsa, Oklahoma | USA | 2008-05-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2431 | 2405 | 3.50 | 9 | -0.67 | 10 | -6.70 | |
| | Ivanov, Alexander | g | | 2560 | USA | 0.00 | 1 | -0.29 | 10 | -2.90 | | | Galant, Sergey | | | 2234 | USA | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Fedorowicz, John | g | | 2459 | USA | 0.00 | 1 | -0.42 | 10 | -4.20 | | | Ludwig, Daniel | | | 2357 | USA | 0.50 | 1 | -0.07 | 10 | -0.70 | | | Gulko, Boris | g | | 2559 | USA | 0.50 | 1 | 0.21 | 10 | 2.10 | | | Gurevich, Dmitry | g | | 2513 | USA | 0.00 | 1 | -0.35 | 10 | -3.50 | | | Ippolito, Dean | m | | 2425 | USA | 0.50 | 1 | 0.03 | 10 | 0.30 | | | Langer, Michael | f | | 2254 | USA | 0.50 | 1 | -0.20 | 10 | -2.00 | | | Yermolinsky, Alex | g | | 2518 | USA | 0.50 | 1 | 0.15 | 10 | 1.50 | |
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) | | | | 77th Massachusetts Open | Boxborough, MA | USA | 2008-05-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2207 | 2405 | 2.00 | 4 | -0.99 | 10 | -9.90 | |
| | Goldberg, Benjamin | | | 2086 | USA | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Williams, Christopher | | | 2189 | USA | 0.00 | 1 | -0.78 | 10 | -7.80 | | | Rueda, Libardo | | | 2247 | USA | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Shmelov, Denys K | | | 2307 | UKR | 0.00 | 1 | -0.63 | 10 | -6.30 | |
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) | | |
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