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Individual Calculations October 2012 |
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| Ortiz, Marcos Total change: -1.05 | |   |
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| Memorial Rosa Castro 2012 | Moravia | CRC | 2012-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1980 | 2171 | 4.00 | 6 | -0.41 | 15 | -6.15 | |
|  Jimenez Martinez, Alexander | | | 1839 | NCA | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Chaves Sanchez, Gabriel | | | 1813 | CRC | 1.00 | 1 | 0.10 | 15 | 1.50 | |  Vargas Serano, Pablo | | | 2031 | CRC | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Solis L., Efren A. | | | 2014 | CRC | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Gutierrez, Oscar | | | 2072 | NCA | 0.00 | 1 | -0.64 | 15 | -9.60 | | | Montenegro Masis, Pedro | | | 2109 | CRC | 0.50 | 1 | -0.09 | 15 | -1.35 | |
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 World Chess Olympiad-Open | Istanbul | TUR | 2012-08-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2221 | 2171 | 3.50 | 7 | 0.34 | 15 | 5.10 | |
| | Nguyen, Duc Hoa | m | | 2505 | VIE | 0.50 | 1 | 0.38 | 15 | 5.70 | | | Arias, Daniel | | | 2081 | ESA | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Abdul, Rahman Ali | | | 1901 | MDV | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Marin, Mihail | g | | 2548 | ROU | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Jeitz, Christian | | | 2212 | LUX | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Zerafa, Patrick | c | | 2089 | MLT | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Kassis, Antoine | c | | 2209 | LIB | 0.00 | 1 | -0.45 | 15 | -6.75 | |
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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