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Individual Calculations July 2009 |
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| Ruiz C, Joshua D Total change: -35.55 | |   |
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| Nacional Sub14 Absoluto | Villavicencio | COL | 2009-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1967 | 2193 | 2.00 | 4 | -1.14 | 15 | -17.10 | |
|  Jimenez, Leonardo Andres | | | 1919 | COL | 1.00 | 1 | 0.17 | 15 | 2.55 | |  Castro, Jairo Antonio | | | 2003 | COL | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Valencia, Andres Felipe | | | 1933 | COL | 0.50 | 1 | -0.32 | 15 | -4.80 | | | Barros, Raul Jr | f | | 2013 | COL | 0.00 | 1 | -0.74 | 15 | -11.10 | |
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) | | | | Nacional Sub12 Absoluto | Bogota | COL | 2009-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1960 | 2174 | 3.50 | 4 | 0.42 | 15 | 6.30 | |
| | Jimenez, Leonardo Andres | | | 1898 | COL | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Blandon, Luis Guillermo | | | 1952 | COL | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Cardona, Juan Camilo | | | 1987 | COL | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Figueroa Navarro, Juan Jose | | | 2003 | COL | 0.50 | 1 | -0.23 | 15 | -3.45 | |
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) | | | | 5th World School Chess Championship - Open U13 | Thessaloniki | GRE | 2009-04-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1833 | 2174 | 1.00 | 3 | -1.65 | 15 | -24.75 | |
| | Vigram, M | | | 1852 | IND | 0.00 | 1 | -0.87 | 15 | -13.05 | | | Naoum, Spyridon | | | 1824 | GRE | 0.00 | 1 | -0.89 | 15 | -13.35 | | | Themelis, Georgios | | | 1824 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | |
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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