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Individual Calculations September 2009 |
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| Acor, Corey Total change: -15.75 | |   |
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| 37th Annual World Open - Under 2400 Section | Philadelphia, Pennsylvania | USA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2172 | 2248 | 5.00 | 9 | -0.35 | 15 | -5.25 | |
|  De Fotis, Gary C | | | 2128 | USA | 1.00 | 1 | 0.34 | 15 | 5.10 | |  Bournival, Braden | f | | 2294 | USA | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Sundar, Avinaash | | | 2093 | CAN | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Wang, Eigen | | | 2157 | USA | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Hua, David A | | | 1898 | USA | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Kahn, Aaron E | | | 2192 | USA | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Morrison, William | f | | 2324 | USA | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Kudryavtsev, Vadim | | | 2165 | RUS | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Adu, Oladapo O | m | | 2294 | NGR | 0.00 | 1 | -0.44 | 15 | -6.60 | |
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 Southern Open | Kissimmee, Florida | USA | 2009-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2173 | 2248 | 0.50 | 2 | -0.70 | 15 | -10.50 | |
| | Rodriguez, Eric | | | 2245 | USA | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Daly, Troy | | | 2101 | USA | 0.00 | 1 | -0.70 | 15 | -10.50 | |
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) | | |
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