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Individual Calculations January 2012 |
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| Castrillon Gomez, Melissa Total change: -25.35 | |   |
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| Campeonato Nacional por Equipos Absoluto 2011 | Medellin | COL | 2011-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2199 | 2210 | 0.50 | 3 | -1.04 | 15 | -15.60 | |
|  Salazar, Aura Cristina | | wf | 2237 | COL | 0.00 | 1 | -0.46 | 15 | -6.90 | |  Vargas, Edwin Antonio | | | 2095 | COL | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Hernandez Sanchez, Jairo Andres | | | 2265 | COL | 0.00 | 1 | -0.42 | 15 | -6.30 | |
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 Youth Chess Championship - U 16 Girls | Caldas Novas/GO | BRA | 2011-11-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2024 | 2210 | 4.00 | 7 | -0.98 | 15 | -14.70 | |
| | Regam, Jessica | | | 1818 | USA | 0.50 | 1 | -0.42 | 15 | -6.30 | | | Casusol, Cecilia | | | 2015 | PER | 0.00 | 1 | -0.75 | 15 | -11.25 | | | Owens, Megan R | | | 1824 | WLS | 1.00 | 1 | 0.09 | 15 | 1.35 | | | Nguyen, Thi Thuy Trien | | wf | 1928 | VIE | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Iwanow, Anna | | wf | 2169 | POL | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Rodriguez Rueda, Paula Andrea | | wf | 2145 | COL | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Ziaziulkina, Nastassia | | wm | 2272 | BLR | 0.00 | 1 | -0.41 | 15 | -6.15 | |
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) | | | | II JAHV McGregor de Ajedrez ITT | Bogota | COL | 2011-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2096 | 2210 | 6.00 | 9 | 0.33 | 15 | 4.95 | |
| | Lopez Flores, Daniel | | | 1810 * | ECU | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Valencia Gantiva, Cristian | | | 1938 | COL | 0.50 | 1 | -0.33 | 15 | -4.95 | | | Mendez Rivera, Anderson H | | | 1940 | COL | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Mendez, Wilford | | | 1873 | COL | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Shoker, Samy | m | | 2512 | EGY | 0.50 | 1 | 0.35 | 15 | 5.25 | | | Martinez Romero, Martin | f | | 2343 | COL | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Lopez Idarraga, Daniel Eduardo | | | 2001 | COL | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Mosquera, Miguel | m | | 2396 | COL | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Navia, Edwin Adrian | | | 2052 | COL | 1.00 | 1 | 0.29 | 15 | 4.35 | | | * 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) | | |
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