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Individual Calculations September 2012 |
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| Cruz Pereyra, Andresantoni Total change: 24.75 | |   |
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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 |
| 1943 | 1772 | 3.50 | 7 | 1.44 | 15 | 21.60 | |
|  Aliaga Salinas, Rafael | | | 1966 | PER | 0.50 | 1 | 0.25 | 15 | 3.75 | |  Tapia Huerta, Joel | | | 1917 | PER | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Cuellar, Diego | f | | 2172 * | PER | 0.50 | 1 | 0.42 | 15 | 6.30 | | | Pazos, Jorge Alberto | | | 1750 | PER | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Cori Quispe, Kevin | | | 1990 | PER | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Martinez Alcantara, Jose E | f | | 2023 | PER | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Rosales, Pierina | | wf | 1785 | PER | 0.00 | 1 | -0.48 | 15 | -7.20 | | | * 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) | | | | XXIII Festival Panamericano de Ajedrez de la Juventud Open Sub 16 | Lima | PER | 2012-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2006 | 1940 | 4.50 | 8 | 1.09 | 15 | 16.35 | |
| | Rivas Torres, Cider | | | 1779 | ECU | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Quispe, Juan Gabriel | | | 1944 | BOL | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Cuellar, Diego | f | | 2272 | PER | 0.50 | 1 | 0.38 | 15 | 5.70 | | | Aguilar, Luciano | | | 2002 | PER | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Coripuna, Chrystian | | | 1885 | PER | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Shen, Arthur | f | | 2242 | USA | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Tapia, Alexei | | | 1820 | PAN | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Chiang, Sarah | | wc | 2102 | USA | 0.00 | 1 | -0.29 | 15 | -4.35 | |
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 IRT Santisimo Nombre de Jesus 2012 - IV | Lima | PER | 2012-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1659 | 1940 | 4.00 | 6 | -0.88 | 15 | -13.20 | |
| | Fernandez, Roberto (per) | | | 1540 * | PER | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Granados Candia, Marco | | | 1623 | PER | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Rojas, Edgar | | | 1654 | PER | 0.00 | 1 | -0.84 | 15 | -12.60 | | | Tacuche, Fernando | | | 1947 | PER | 0.00 | 1 | -0.49 | 15 | -7.35 | | | Ugarelli, Juan | | | 1540 * | PER | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Chomon Ruiz Figueroa, Dani | | | 1652 | PER | 1.00 | 1 | 0.16 | 15 | 2.40 | | | * 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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