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Individual Calculations May 2012 |
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| Perez, Laura Total change: 0.45 | |   |
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| Open Internacional de Semana Santa L.A.B. | Bogota | COL | 2012-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1973 | 1929 | 2.00 | 4 | 0.20 | 15 | 3.00 | |
|  Cespedes Galindo, Estefania | | | 1830 | COL | 1.00 | 1 | 0.36 | 15 | 5.40 | |  Otero, Martinez Daniel | | | 2111 | COL | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Gonzalez, Amalia | | | 1779 | COL | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Pardo, Alejandro | | | 2172 | COL | 0.00 | 1 | -0.20 | 15 | -3.00 | |
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) | | | | WORLD AMATEUR CHESS CHAMPIONSHIP 2012 | Porto Carras - Halkidiki | GRE | 2012-04-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1732 | 1929 | 5.00 | 7 | -0.17 | 15 | -2.55 | |
| | Papaefstratiou, Despina | | | 1529 * | GRE | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Papasimakopoulos, Vasilios | | | 1750 | GRE | 0.00 | 1 | -0.73 | 15 | -10.95 | | | Pena Mora, Carlos | | | 1688 | COL | 0.50 | 1 | -0.30 | 15 | -4.50 | | | Zisiadis, Dimitrios | | | 1751 | GRE | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Mayed, Al-Rashedi | | | 1743 | UAE | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Apostolakakis, Konstantinos | | | 1701 | GRE | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Giordos, Vasilios | | | 1959 | GRE | 1.00 | 1 | 0.54 | 15 | 8.10 | | | * 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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