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Individual Calculations March 2011 |
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| Girardo, Christopher Total change: 2.00 | |   |
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| 2010 Pan American Open | Milwaukee, Wisconsin | USA | 2010-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2151 | 1780 | 0.00 | 2 | -0.20 | 25 | -5.00 | |
|  Dahl, Matthew D | | | 2121 | USA | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Hubbard, Andrew D | f | | 2180 * | USA | 0.00 | 1 | -0.08 | 25 | -2.00 | | | * 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) | | | | 1st North American Amateur Open | Skokie, Illinois | USA | 2011-02-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1928 | 1780 | 1.00 | 2 | 0.28 | 25 | 7.00 | |
|  Felecan, Florin | m | | 2180 * | USA | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Marcinek, Pawel | | | 1675 | USA | 1.00 | 1 | 0.36 | 25 | 9.00 | | | * 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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