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Individual Calculations April 2008 |
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| Medina Garcia, Manuel Alva Total change: -13.75 | |   |
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| North America Youth Chess Championship Boys Under 16 | Aguascalientes, Ags | MEX | 2007-10-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2093 | 1931 | 1.00 | 3 | 0.14 | 25 | 3.50 | |
|  Lau, Robert | | | 2134 | USA | 0.00 | 1 | -0.24 | 25 | -6.00 | |  Trandafir, Stefan | | | 2042 | CAN | 0.50 | 1 | 0.15 | 25 | 3.75 | | | Aguirre Manzo, Leopoldo An | | | 2102 | MEX | 0.50 | 1 | 0.23 | 25 | 5.75 | |
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 Torneo GM Carlos Torre Repetto In Memoriam - Swiss | Merida, Yucatan | MEX | 2007-12-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2060 | 1931 | 1.00 | 5 | -0.69 | 25 | -17.25 | |
| | Gongora Montes, Benjamin | m | | 2270 | MEX | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Aguirre Manzo, Leopoldo An | | | 2102 | MEX | 0.00 | 1 | -0.27 | 25 | -6.75 | | | Juarez Solis, Jesus Santos | | | 2017 | MEX | 0.00 | 1 | -0.38 | 25 | -9.50 | | | Pina Perez, Omar | | | 1964 | MEX | 0.00 | 1 | -0.45 | 25 | -11.25 | | | Cruz Ahumada, Samuel | | | 1949 | MEX | 1.00 | 1 | 0.53 | 25 | 13.25 | |
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) | | |
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