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Individual Calculations July 2008 |
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| Parry, Matt Total change: 5.40 | |   |
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| World Amateur Team | Parsippany, New Jersey USA | USA | 2008-02-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2199 | 2269 | 3.00 | 3 | 1.24 | 15 | 18.60 | |
|  Kelleher, William | f | | 2369 | USA | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Stanley, Douglas | | | 2046 | USA | 1.00 | 1 | 0.22 | 15 | 3.30 | |  Sena, Juan | | | 2183 | DOM | 1.00 | 1 | 0.38 | 15 | 5.70 | |
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) | | | | 10th Annual Foxwoods Open | Mashantucket, Connecticut | USA | 2008-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2195 | 2269 | 5.00 | 8 | 0.19 | 15 | 2.85 | |
| | Goldberg, Benjamin | | | 2086 | USA | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Arkell, Keith | g | | 2489 | ENG | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Thaler, Michael | | | 2115 | USA | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Rosenberg, Evan | | | 2173 | USA | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Waidyaratne, Kasun | | | 2109 | USA | 0.00 | 1 | -0.71 | 15 | -10.65 | | | Weeramantry, Sunil | f | | 2224 | SRI | 0.50 | 1 | -0.06 | 15 | -0.90 | | | Daly, Troy | | | 2151 | USA | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Zhao, Parker | | | 2214 | USA | 1.00 | 1 | 0.42 | 15 | 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) | | | | 17th Annual Chicago Open | Wheeling, Illinois | USA | 2008-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2341 | 2265 | 1.00 | 5 | -1.07 | 15 | -16.05 | |
| | Nakamura, Hikaru | g | | 2615 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Zapata, Alonso | g | | 2478 | COL | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Varadaraj, Srikar | | | 2086 | USA | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Pereira, Silvio | | | 2291 | BRA | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Zenyk, Iryna | c | wf | 2233 | USA | 0.00 | 1 | -0.54 | 15 | -8.10 | |
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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