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Individual Calculations May 2012 |
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| Badamo, Anthony Total change: 14.10 | |   |
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| 42nd Annual World Amateur Team and US Team East | Parsippany, New Jersey | USA | 2012-02-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2097 | 1999 | 1.00 | 3 | -0.22 | 30 | -6.60 | |
|  Lawrence, Jeffrey | | | 1926 | USA | 0.50 | 1 | -0.10 | 30 | -3.00 | |  Kapengut, Albert | m | | 2399 * | USA | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Chen, Jasmine | | | 1967 | USA | 0.50 | 1 | -0.04 | 30 | -1.20 | | | * 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) | | | | 34th Annual Marchand Open | Rochester, New York | USA | 2012-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2027 | 1999 | 3.00 | 5 | 0.69 | 30 | 20.70 | |
| | Luce, Eric J | | | 2123 | USA | 1.00 | 1 | 0.67 | 30 | 20.10 | | | Davis, Lionel L | | | 2155 | USA | 0.00 | 1 | -0.29 | 30 | -8.70 | | | Kong, Dezheng | | | 2031 | CAN | 0.50 | 1 | 0.04 | 30 | 1.20 | | | Glasser, Abraham | | | 1903 | USA | 0.50 | 1 | -0.13 | 30 | -3.90 | | | Petty, David A | | | 1925 | USA | 1.00 | 1 | 0.40 | 30 | 12.00 | |
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) | | |
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