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Individual Calculations May 2015 |
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| Markzon, Gregory Total change: 1.20 | |   |
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| 9th Annual Philadelphia Open | Philadelphia, Pennsylvania | USA | 2015-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2336 | 2155 | 1.50 | 5 | 0.06 | 20 | 1.20 | |
|  Ippolito, Dean | m | | 2414 | USA | 0.50 | 1 | 0.32 | 20 | 6.40 | |  Avrukh, Boris | g | | 2555 * | ISR | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Tang, Andrew | m | | 2326 | USA | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Sena, Juan | | | 2043 | DOM | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Cummings, David | m | | 2340 | CAN | 0.00 | 1 | -0.26 | 20 | -5.20 | | | * 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) | | |
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