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Individual Calculations September 2010 |
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| Kelley, Dereque D Total change: -7.20 | |   |
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| 4th Annual Philadelphia International | King of Prussia, Pennsylvania | USA | 2010-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2251 | 2203 | 2.50 | 7 | -0.51 | 15 | -7.65 | |
|  Nieto, Manuel Vale | | | 1803 * | COL | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Gokhale, Chandrashekhar | m | | 2282 | IND | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Smith, Bryan G | m | | 2468 | USA | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Shankland, Samuel | m | | 2507 | USA | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Rosenberg, Evan S | | | 2218 | USA | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Rogers, Norman | f | | 2220 | USA | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Baquero, Luis A | | | 2260 | COL | 0.00 | 1 | -0.42 | 15 | -6.30 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 38th Annual World Open - U2400 Section | King of Prussia, Pennsylvania | USA | 2010-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2259 | 2203 | 3.00 | 7 | 0.03 | 15 | 0.45 | |
| | Lein, Anatoly | g | | 2309 | USA | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Adu, Oladapo O | m | | 2231 | NGR | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Johnstone, Glenn | f | | 2261 | CAN | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Jones, Craig W | | | 2241 | USA | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Boor, Carl B | f | | 2308 | USA | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Barnett, Alexander | | | 2246 | USA | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Rogers, Norman | f | | 2220 | USA | 0.00 | 1 | -0.48 | 15 | -7.20 | |
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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