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Individual Calculations March 2011 |
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| Perez, Samuel Total change: 37.60 | |   |
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| 37th Annual Eastern Open | Washington DC | USA | 2010-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2084 | 1794 | 2.50 | 6 | 1.54 | 25 | 38.50 | |
|  Strenzwilk, Denis | | | 2005 | USA | 0.50 | 1 | 0.27 | 25 | 6.75 | |  Del Mundo, Anton P | f | | 2194 * | PHI | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Clancy, Daniel J | | | 2123 | USA | 0.50 | 1 | 0.38 | 25 | 9.50 | | | Ding, Andrew | | | 2032 | USA | 1.00 | 1 | 0.80 | 25 | 20.00 | | | De Fotis, Gary C | | | 2066 | USA | 0.50 | 1 | 0.33 | 25 | 8.25 | | | Heung, Christopher | | | 2082 | USA | 0.00 | 1 | -0.16 | 25 | -4.00 | | | * 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) | | | NOTE: K factor changed | | 43rd Annual Liberty Bell Open | Philadelphia, Pennsylvania | USA | 2011-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1978 | 1794 | 0.00 | 1 | -0.26 | 15 | -3.90 | |
| | Harding, Andre E | | | 1978 | USA | 0.00 | 1 | -0.26 | 15 | -3.90 | |
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) | | | NOTE: K factor changed | | Land of the Sky XXIV | Asheville, North Carolina | USA | 2011-01-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2097 | 1794 | 0.50 | 2 | 0.20 | 15 | 3.00 | |
| | Mestres, Misael D | | | 2036 | USA | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Gray, Donny | | | 2157 | USA | 0.50 | 1 | 0.40 | 15 | 6.00 | |
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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