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Individual Calculations August 2012 |
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| Helfst, Matt D Total change: 42.90 | |   |
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| 9th Annual Philadelphia International | Philadelphia, Pennsylvania | USA | 2012-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2121 | 1930 | 4.00 | 9 | 1.51 | 15 | 22.65 | |
|  Rout, Padmini | | wg | 2330 * | IND | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Belliard, Luis | | | 2170 | DOM | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Acosta, Mariano A | | | 2086 | USA | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Nilsson, Martin | | | 2197 | SWE | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Ebrahim-Shirazi , Behrooz | | | 2070 | CAN | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Mohota, Nisha | m | wg | 2321 | IND | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Coraretti, Benjamin | | | 2066 | USA | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Wettasinha, Vasanta | | | 1827 | SRI | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Chan, James | | | 2021 | CAN | 0.50 | 1 | 0.12 | 15 | 1.80 | | | * 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) | | | | 40th Annual World Open - Open Section | Philadelphia, Pennsylvania | USA | 2012-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2150 | 1948 | 3.50 | 8 | 1.35 | 15 | 20.25 | |
| | Castaneda, Nelson | f | | 2266 | USA | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Rand, Mark R | | | 1927 | USA | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Llopis De Aysa, Manuel | | | 2153 | ESP | 1.00 | 1 | 0.76 | 15 | 11.40 | | | Batchuluun, Tsegmed | g | | 2348 * | MGL | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Kleiman, Jake | m | | 2348 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Greanias, Steven D | f | | 2154 | USA | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Beckman, Thomas J | | | 1969 | USA | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Smarty, Sylvester | | | 2037 | USA | 1.00 | 1 | 0.62 | 15 | 9.30 | | | * 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) | | |
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