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Individual Calculations August 2012 |
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| Wettasinha, Vasanta Total change: 19.50 | |   |
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| 9th Annual Philadelphia International | Philadelphia, Pennsylvania | USA | 2012-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2020 | 1827 | 2.50 | 8 | 0.36 | 15 | 5.40 | |
|  Vazquez, Raul | f | | 2227 * | PUR | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Ebrahim-Shirazi , Behrooz | | | 2070 | CAN | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Pratyusha, Bodda | | | 2123 | IND | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Lyansky, Yan | | | 1810 | BAH | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Acosta, Mariano A | | | 2086 | USA | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Nieto, Guillermo Luigui Uba | | | 1913 | COL | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Nahutin, Yevgeni | | | 1999 | CAN | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Helfst, Matt D | | | 1930 | USA | 0.00 | 1 | -0.36 | 15 | -5.40 | | | * 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 |
| 2068 | 1830 | 3.00 | 9 | 0.94 | 15 | 14.10 | |
| | Burnett, Ronald | m | | 2230 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Black Jr, James A | | | 2230 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Leve, Nitai D | | | 2134 | USA | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Liang, Awonder | f | | 1922 | USA | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Acon, Jennifer | | | 1832 | USA | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Acosta, Mariano A | | | 2039 | USA | 1.00 | 1 | 0.77 | 15 | 11.55 | | | Castaneda, Nelson | f | | 2230 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Sloan, Sam | | | 1902 | USA | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Ryba, Nicholas | | | 2097 | USA | 0.00 | 1 | -0.18 | 15 | -2.70 | | | * 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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