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Individual Calculations September 2012 |
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| Tapia Huerta, Joel Total change: 5.10 | |   |
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| II Open IRT " Circulo Peruano de Ajedrez" | Lima | PER | 2012-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1859 | 1917 | 1.50 | 4 | -0.84 | 15 | -12.60 | |
|  Cruz Pereyra, Andresantoni | | | 1772 | PER | 0.00 | 1 | -0.69 | 15 | -10.35 | |  Tapia Huerta, Josias | | | 1683 | PER | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Cuellar, Diego | f | | 2247 | PER | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Quirhuayo, Gonzalo | f | | 1735 | PER | 0.50 | 1 | -0.24 | 15 | -3.60 | |
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) | | | | XXIII Festival Panamericano de Ajedrez de la Juventud Open Sub 18 | Lima | PER | 2012-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2118 | 1926 | 3.00 | 7 | 1.18 | 15 | 17.70 | |
| | Leiva, Giuseppe | f | | 2223 | PER | 0.50 | 1 | 0.35 | 15 | 5.25 | | | Ayala Pena, Eduardo Azael | c | | 2180 | MEX | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Dalo, Hermes | | | 2130 | VEN | 1.00 | 1 | 0.76 | 15 | 11.40 | | | Diaz Rosas, Julio Cesar | | | 2138 | MEX | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Benavente Vazquez, Juan Jose | | | 2091 | MEX | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Principe, Gerson | | | 2165 | PER | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Ramos Libon, Jean Piere | | | 1901 | PER | 0.50 | 1 | -0.03 | 15 | -0.45 | |
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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