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Individual Calculations May 2011 |
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| Harmon-Vellotti, Luke Total change: 56.10 | |   |
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| 2nd Annual Philadelphia Open | Philadelphia, Pennsylvania | USA | 2011-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2399 | 2128 | 5.50 | 9 | 3.74 | 15 | 56.10 | |
|  Amarasinghe, Prashantha | | | 2027 | SRI | 1.00 | 1 | 0.36 | 15 | 5.40 | |  Ostrovskiy, Aleksandr | f | | 2295 | USA | 0.50 | 1 | 0.22 | 15 | 3.30 | | | De Firmian, Nick E | g | | 2528 * | USA | 1.00 | 1 | 0.92 | 15 | 13.80 | | | Stopa, Jacek | m | | 2453 | POL | 0.50 | 1 | 0.37 | 15 | 5.55 | | | Arnold, Marc T | m | | 2435 | USA | 0.50 | 1 | 0.36 | 15 | 5.40 | | | Bryant, John D | f | | 2418 | USA | 1.00 | 1 | 0.84 | 15 | 12.60 | | | Kekelidze, Mikheil | g | | 2460 | GEO | 1.00 | 1 | 0.88 | 15 | 13.20 | | | Becerra, Julio J | g | | 2528 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Ludwig, Daniel J | m | | 2450 | USA | 0.00 | 1 | -0.13 | 15 | -1.95 | | | * 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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