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Individual Calculations October 2008 |
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| Pruess, David Total change: -15.60 | |   |
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| Philadelphia International | Philadelphia, Pennsylvania | USA | 2008-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2294 | 2425 | 2.00 | 4 | -0.70 | 10 | -7.00 | |
|  Bick, John D | f | | 2201 | USA | 1.00 | 1 | 0.22 | 10 | 2.20 | |  Karavade, Eesha | | wg | 2302 | IND | 0.50 | 1 | -0.17 | 10 | -1.70 | | | Galofre, Charles A | f | | 2318 | USA | 0.50 | 1 | -0.15 | 10 | -1.50 | | | Battaglini, Gabriel | | | 2356 | FRA | 0.00 | 1 | -0.60 | 10 | -6.00 | |
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) | | | | 36th Annual World Open (Open Section) | Philadelphia, Pennsylvania | USA | 2008-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2307 | 2425 | 5.00 | 9 | -0.84 | 10 | -8.40 | |
| | Kiili, Markus | | | 2158 | FIN | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Jussupow, Artur | g | | 2572 | GER | 0.00 | 1 | -0.30 | 10 | -3.00 | | | Mohanty, Kiran Manisha | | wm | 2316 | IND | 0.50 | 1 | -0.15 | 10 | -1.50 | | | Lee, Michael | | | 2286 | USA | 0.00 | 1 | -0.69 | 10 | -6.90 | | | Homa, Seth | | | 2239 | USA | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Naroditsky, Daniel | f | | 2242 | USA | 0.00 | 1 | -0.74 | 10 | -7.40 | | | Heinis, Vincent | | | 2156 | FRA | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Coleman, Teddy | f | | 2244 | USA | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Perelshteyn, Eugene | g | | 2552 | USA | 0.50 | 1 | 0.17 | 10 | 1.70 | |
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) | | | | The Miami Chess Open | Miami, Florida | USA | 2008-09-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2360 | 2438 | 3.50 | 6 | -0.02 | 10 | -0.20 | |
| | Leburgue, Sylvain | | | 2168 | FRA | 0.50 | 1 | -0.33 | 10 | -3.30 | | | Campiz, Leonardo | | | 2088 | PUR | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Stopa, Jacek | m | | 2440 | POL | 0.00 | 1 | -0.50 | 10 | -5.00 | | | Gulamali, Kazim | f | | 2358 | USA | 1.00 | 1 | 0.39 | 10 | 3.90 | | | Ehlvest, Jaan | g | | 2603 | USA | 1.00 | 1 | 0.72 | 10 | 7.20 | | | Kuljasevic, Davorin | m | | 2500 | CRO | 0.00 | 1 | -0.41 | 10 | -4.10 | |
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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