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Individual Calculations January 2010 |
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| Ruiz C, Joshua D Total change: -57.15 | |   |
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| World Youth Chess Championship-u12 | Antalya | TUR | 2009-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1816 | 2120 | 4.50 | 9 | -3.11 | 15 | -46.65 | |
|  Keleptrishvili, Irakli | | | 1751 | GEO | 1.00 | 1 | 0.10 | 15 | 1.50 | |  Reshef, Omer | | | 1955 | ISR | 0.00 | 1 | -0.72 | 15 | -10.80 | | | Terzi, Alexei | | | 1831 | BLR | 0.00 | 1 | -0.84 | 15 | -12.60 | | | Bowler, James P | | | 1720 * | ENG | 0.00 | 1 | -0.92 | 15 | -13.80 | | | Balu, Henish | | | 1720 * | POR | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Lekic, Lazar | | | 1780 | MNE | 0.50 | 1 | -0.38 | 15 | -5.70 | | | Lee, Kai Jie Edward | | | 1775 | SIN | 0.00 | 1 | -0.89 | 15 | -13.35 | | | Naoum, Spyridon | | | 1885 | GRE | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Cyrus, Pereira | | | 1925 | IND | 1.00 | 1 | 0.25 | 15 | 3.75 | | | * 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) | | | | IRT Open Internacional Navideno Ciudad de Bogota | Bogota Colombia | COL | 2009-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1893 | 2120 | 0.50 | 1 | -0.29 | 15 | -4.35 | |
| | Lozano, Nestor Favian | | | 1893 | COL | 0.50 | 1 | -0.29 | 15 | -4.35 | |
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) | | | | IRT Camp Nacional Sub14 Absoluto | Medellin (Colombia) | COL | 2009-12-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1962 | 2120 | 4.50 | 7 | -0.41 | 15 | -6.15 | |
| | Zuleta, Juan Carlos | | | 1849 | COL | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Mayorquin, Nicolas | | | 1824 | COL | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Cardona, Juan Camilo | | | 1985 | COL | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Posada, Juan Manuel | f | | 2001 | COL | 0.00 | 1 | -0.66 | 15 | -9.90 | | | Zapata Arbelaes, Estiven | | | 1971 | COL | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Del Valle, Juan Pablo | | | 2068 | COL | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Diaz, Cristian Camilo | | | 2034 | COL | 0.00 | 1 | -0.62 | 15 | -9.30 | |
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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