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Individual Calculations September 2009 |
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| Chumpitaz, Ann Total change: -5.55 | |   |
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| I IRT Club Magdalena 2009 | Lima | PER | 2009-06-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1986 | 2013 | 0.00 | 3 | -1.59 | 15 | -23.85 | |
|  Requejo, Oswaldo | | | 2253 | PER | 0.00 | 1 | -0.20 | 15 | -3.00 | |  Balvin, Jorge | | | 1746 | PER | 0.00 | 1 | -0.82 | 15 | -12.30 | | | Cuellar, Ulises | | | 1960 | PER | 0.00 | 1 | -0.57 | 15 | -8.55 | |
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) | | | | XX Panamericano Mar del Plata U16 Fem | Mar del Plata | ARG | 2009-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1940 | 2023 | 5.50 | 7 | 1.22 | 15 | 18.30 | |
| | Donatti, Sofia | | wc | 1796 | URU | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Herrera Sosa, Jessica | | | 1927 | VEN | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Capelo, Paola | | | 1995 | ECU | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Asmat, Diana | | wf | 1974 | PER | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Orejuela Chango, Paulina | | | 1965 | ECU | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Martinez, Ayelen | | | 1977 | ARG | 0.00 | 1 | -0.56 | 15 | -8.40 | | | Moreno Garcia, Elizabeth Paola | | wf | 1945 | VEN | 0.50 | 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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