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Individual Calculations July 2009 |
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| Silva, John Hansen Total change: -31.05 | |   |
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| Nacional Sub20 Absoluto | Bogota | COL | 2009-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2063 | 2028 | 0.50 | 5 | -1.76 | 15 | -26.40 | |
|  Vargas, Arteaga Alexis | | | 2217 | COL | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Martinez Romero, Martin | | | 2121 | COL | 0.50 | 1 | 0.13 | 15 | 1.95 | |  Torres, Juan Camilo | | | 2121 | COL | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Univio Sanchez, German | | | 1946 | COL | 0.00 | 1 | -0.61 | 15 | -9.15 | | | Rodriguez Lopez, Andres Cami | | | 1909 | COL | 0.00 | 1 | -0.66 | 15 | -9.90 | |
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) | | | | IRT Juan Mila Inmemorian ABS | Bogota | COL | 2009-04-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2322 | 2028 | 0.00 | 2 | -0.31 | 15 | -4.65 | |
| | Acosta, Alejandro | m | | 2315 | COL | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Arenas, David | m | | 2329 | COL | 0.00 | 1 | -0.15 | 15 | -2.25 | |
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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