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Individual Calculations April 2008 |
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| Becerra, Juan David Total change: 21.30 | |   |
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| Primer Continental Escolar CCSA 2007 U17 Absolute | Cartagena | COL | 2007-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2090 | 2084 | 3.00 | 6 | 0.03 | 15 | 0.45 | |
|  Villa, Olivia Rosalba | | | 1997 | COL | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Fernandez, Fernando | | | 2261 | PER | 0.00 | 1 | -0.27 | 15 | -4.05 | |  Zapata, Alexander | | | 2013 | COL | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Sanchez, Simon | | | 2086 | COL | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Aliaga Fernandez, Ingrid Y | | wf | 2076 | PER | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Chirivi, Jenny | | wm | 2109 | COL | 1.00 | 1 | 0.53 | 15 | 7.95 | |
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 Nacional Sub18 Absoluto | Bogota | COL | 2008-01-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1956 | 2084 | 4.00 | 4 | 1.39 | 15 | 20.85 | |
| | Ossa, Juan Sebastian | | | 1734 | COL | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Avila, Pedro Andres | | | 2039 | COL | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Guelgua, Alvaro | | | 1965 | COL | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Sanchez, Simon | | | 2086 | COL | 1.00 | 1 | 0.50 | 15 | 7.50 | |
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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