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Individual Calculations January 2011 |
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| Loaiza, Yurani Total change: -21.30 | |   |
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| World Youth Chess Championships 2010 - Girls under 14 | Porto Carras, Chalkidiki - Greece | GRE | 2010-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1654 | 1899 | 4.00 | 9 | -3.14 | 15 | -47.10 | |
|  Jansen Van Rensburg, Monica | | | 1629 | RSA | 0.50 | 1 | -0.33 | 15 | -4.95 | |  Arbore, Federica | | | 1676 | ITA | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Dragieva, Denitza | | | 1803 | BUL | 0.00 | 1 | -0.63 | 15 | -9.45 | | | Nikolovska, Dragana | | | 1751 | MKD | 0.00 | 1 | -0.70 | 15 | -10.50 | | | Hansen, Erle Andrea Marki | | | 1727 | NOR | 0.00 | 1 | -0.73 | 15 | -10.95 | | | Kanagarajah, Abbie | | | 1644 | AUS | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Barbier, Astrid | | | 1572 | BEL | 0.00 | 1 | -0.87 | 15 | -13.05 | | | Amra, Tasnim | | | 1543 | RSA | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Kurbanova, Dagmara | | | 1537 | LAT | 1.00 | 1 | 0.10 | 15 | 1.50 | |
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) | | | | Torneo Nacional IRT Abierto de la Raza Menor 2100 Elo | Medellin | COL | 2010-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2065 | 1899 | 3.00 | 5 | 1.59 | 15 | 23.85 | |
| | Osorio Bedoya, Jeisson | | | 2084 | COL | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Garces, Javier | | | 2050 | COL | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Hurtado, Felipe | | | 2068 | COL | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Zabala, Fidel | | | 2092 | COL | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Gonzalez, Andres G | | | 2033 | COL | 0.00 | 1 | -0.32 | 15 | -4.80 | |
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) | | | | JAVH McGregor de Ajedrez ITT | Bogota | COL | 2010-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2177 | 1899 | 1.00 | 5 | 0.18 | 15 | 2.70 | |
| | Nunez V, Daniel Fernando | | | 2191 | COL | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Hernandez, Gonzalo | | | 2148 | COL | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Pena Duarte, Fabian Dario | | | 2170 | COL | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Ramirez Daza, Diego | | | 2176 | COL | 0.50 | 1 | 0.33 | 15 | 4.95 | | | Contreras, Henry | f | | 2202 | COL | 0.00 | 1 | -0.14 | 15 | -2.10 | |
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) | | | | Festival Centroamericano y del Caribe de la Juventud U-14 Girls | Medellin | COL | 2010-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1885 | 1899 | 1.50 | 3 | -0.05 | 15 | -0.75 | |
| | Villamizar, Andrea Camila | | | 1672 | COL | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Pachon, Adriana | | wf | 1923 | COL | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Mercado, Luisa Fernanda | | wf | 2061 | COL | 0.50 | 1 | 0.21 | 15 | 3.15 | |
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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