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Individual Calculations July 2010 |
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| Badkoubi, Amirhossein Total change: 59.75 | |   |
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| Iranian Youth Chess Championships 2010 Boys U 12 | Qazvin | IRI | 2010-03-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2008 | 1879 | 4.50 | 6 | 2.53 | 25 | 63.25 | |
|  Lorparizangeneh, Shahin | f | | 2021 | IRI | 0.50 | 1 | 0.19 | 25 | 4.75 | | | Cheraghi, Amin | | | 1990 | IRI | 0.50 | 1 | 0.15 | 25 | 3.75 | | | Khodashenas, Mersad | | | 2015 | IRI | 0.50 | 1 | 0.18 | 25 | 4.50 | |  Khoshkalam, Seyed Mehrab | | | 1965 | IRI | 1.00 | 1 | 0.62 | 25 | 15.50 | | | Asgharzadeh, Mohammad Reza | | | 1963 | IRI | 1.00 | 1 | 0.62 | 25 | 15.50 | | | Mousavi, Seyed Khalil | | | 2092 | IRI | 1.00 | 1 | 0.77 | 25 | 19.25 | |
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) | | | | 11th ASEAN+ Age Group Chess Championship - BU12 | Olongapo City | PHI | 2010-06-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1852 | 1879 | 2.00 | 4 | -0.14 | 25 | -3.50 | |
| | Nguyen, Van Toan Thanh | | | 1911 | VIE | 1.00 | 1 | 0.54 | 25 | 13.50 | | | Bersamina, Paulo | | | 1982 | PHI | 0.00 | 1 | -0.36 | 25 | -9.00 | | | Lim, De Li Derek | | | 1818 | SIN | 0.00 | 1 | -0.58 | 25 | -14.50 | | | Pamatmat, Jordan James | | | 1696 | PHI | 1.00 | 1 | 0.26 | 25 | 6.50 | |
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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