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Individual Calculations June 2013 |
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| Morales Santos, Natasha Total change: -1.20 | |   |
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| VII Panamerican Scholastic Chess Championship - U15 Abs | Port of Spain | TTO | 2013-03-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1833 | 1552 | 0.50 | 4 | -0.25 | 15 | -3.75 | |
|  Johnson, Joshua | | | 1952 * | TRI | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Yearwood, Sylvan | | | 1618 | TRI | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Richards, Allon | | | 1809 | BAR | 0.00 | 1 | -0.18 | 15 | -2.70 | |  Poon, Yu Tien | | | 1952 * | BAR | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * 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) | | | | WORLD SCHOOL CHESS CHAMPIONSHIPS 2013 - GIRLS U15 | Porto Carras - Halkidiki | GRE | 2013-05-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1807 | 1552 | 1.00 | 4 | 0.17 | 15 | 2.55 | |
| | Mammadova, Narmin | | | 1943 | AZE | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Menzi, Nezihe Ezgi | | | 1904 | TUR | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Dogan, Sevval | | | 1651 | TUR | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Firidunlu, Lala | | | 1729 | AZE | 0.50 | 1 | 0.23 | 15 | 3.45 | |
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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