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Individual Calculations July 2010 |
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| Rojas Mena, Jhann Carlos Total change: -38.50 | |   |
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| IRT ABIERTO "20 ANOS DEL AJEDREZ EN HUANUCO" - SUB 2100 | HUANUCO, PERU | PER | 2010-03-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1771 | 1887 | 1.50 | 4 | -1.03 | 25 | -25.75 | |
|  Altamirano Porras, Ricardo | | | 2073 | PER | 0.50 | 1 | 0.24 | 25 | 6.00 | |  Garcia Amiquero, Manuel | | | 1726 | PER | 0.00 | 1 | -0.71 | 25 | -17.75 | | | Cornelio Argumedo, Pedro A | | | 1780 | PER | 0.00 | 1 | -0.65 | 25 | -16.25 | | | Cuenca Celis, Caleb | | | 1503 | PER | 1.00 | 1 | 0.09 | 25 | 2.25 | |
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) | | | | II TORNEO IRT ABIERTO "ASES DEL TABLERO" | HUANUCO, PERU | PER | 2010-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1656 | 1887 | 1.00 | 2 | -0.52 | 25 | -13.00 | |
| | Cajahuanca Ramirez, Olindo | | | 1805 | PER | 0.00 | 1 | -0.61 | 25 | -15.25 | | | Simon Vergara, Ruth Elizab | | | 1506 | PER | 1.00 | 1 | 0.09 | 25 | 2.25 | |
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) | | | | III TORNEO IRT ABIERTO TALENTOS EN ACCION | HUANUCO | PER | 2010-05-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1818 | 1876 | 1.50 | 3 | -0.22 | 25 | -5.50 | |
| | Huere Orihuela, Abel Domin | | | 1747 | PER | 1.00 | 1 | 0.33 | 25 | 8.25 | | | Ruiz Santacruz, Astrid | | | 1650 | PER | 0.50 | 1 | -0.29 | 25 | -7.25 | | | Altamirano Porras, Ricardo | | | 2056 | PER | 0.00 | 1 | -0.26 | 25 | -6.50 | |
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) | | | | IV IRT ABIERTO "ENTRE LAS TORRES" | HUANUCO, PERU | PER | 2010-06-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1813 | 1876 | 2.50 | 4 | 0.23 | 25 | 5.75 | |
| | Altamirano Porras, Ricardo | | | 2056 | PER | 0.50 | 1 | 0.24 | 25 | 6.00 | | | Fonseca Melgarejo, Joeli S | | | 1548 | PER | 1.00 | 1 | 0.13 | 25 | 3.25 | | | Cornelio Argumedo, Pedro A | | | 1794 | PER | 1.00 | 1 | 0.39 | 25 | 9.75 | | | Principe Rosales, Julio Ar | | | 1852 | PER | 0.00 | 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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