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Individual Calculations July 2008 |
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| Weeramantry, Sunil Total change: -0.15 | |   |
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| World Amateur Team | Parsippany, New Jersey USA | USA | 2008-02-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2215 | 2224 | 1.50 | 3 | -0.03 | 15 | -0.45 | |
|  Feuerstein, Arthur | | | 2128 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | |  Ju, Evan | | | 2272 | USA | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Bisguier, Arthur | g | | 2244 | USA | 0.50 | 1 | 0.03 | 15 | 0.45 | |
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 |
| 2223 | 2224 | 2.50 | 6 | -0.52 | 15 | -7.80 | |
| | Szuper, Paul | | | 2105 | USA | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Martinez, Marcel | f | | 2418 | USA | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Weser, Adam | | | 2061 | USA | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Thaler, Michael | | | 2115 | USA | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Parry, Matt | | | 2269 | USA | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Zlotnikov, Mikhail | m | | 2371 | USA | 0.00 | 1 | -0.30 | 15 | -4.50 | |
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) | | | | 17th Annual Chicago Open (U2300 Section) | Wheeling, Illinois | USA | 2008-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2181 | 2224 | 2.50 | 4 | 0.28 | 15 | 4.20 | |
| | Itkis, Hana | | wf | 2065 | USA | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Formanek, Edward | m | | 2264 | USA | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Iwu, Okechukwu | | | 2173 | USA | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Rogers, Norman | f | | 2222 | USA | 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) | | | | 2008 National Open | Las Vegas, Nevada | USA | 2008-06-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2303 | 2224 | 1.50 | 3 | 0.26 | 15 | 3.90 | |
| | Petrosian, Tigran | g | | 2574 | ARM | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Coraretti, Benjamin | | | 1983 | USA | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Kretchetov, Alexandre | f | | 2351 | RUS | 0.50 | 1 | 0.17 | 15 | 2.55 | |
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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