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Individual Calculations September 2011 |
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| Alcarraz, David Total change: -106.80 | |   |
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| I OPEN IRT DE AJEDREZ “TOP CHESS” | LIMA, PERU | PER | 2011-05-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1963 | 1865 | 1.00 | 4 | -0.48 | 30 | -14.40 | |
|  Llacsahuanga, Diego | | | 2081 | PER | 0.00 | 1 | -0.22 | 30 | -6.60 | |  Pajuelo Rojas, Joel | | | 1579 | PER | 1.00 | 1 | 0.16 | 30 | 4.80 | | | Bustamante, Wilfredo | | | 2056 | PER | 0.00 | 1 | -0.25 | 30 | -7.50 | | | Chiarot, Cesar | | | 2135 | PER | 0.00 | 1 | -0.17 | 30 | -5.10 | |
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) | | | | IRT SANTISIMO NOMBRE DE JESUS 2011-2 | SAN BORJA | PER | 2011-06-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1686 | 1865 | 1.00 | 3 | -1.09 | 30 | -32.70 | |
| | Ugarelli, Juan | | | 1524 | PER | 1.00 | 1 | 0.12 | 30 | 3.60 | | | De La Cruz, Jonathan | | | 1964 | PER | 0.00 | 1 | -0.36 | 30 | -10.80 | | | Strohmeier, Luis | | | 1571 | PER | 0.00 | 1 | -0.85 | 30 | -25.50 | |
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) | | | | V Open IRT Club Magdalena | LIMA | PER | 2011-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1739 | 1817 | 1.00 | 5 | -1.99 | 30 | -59.70 | |
| | Salazar Ramos, Diana Carolina | | | 1706 | PER | 0.00 | 1 | -0.65 | 30 | -19.50 | | | Cori Quispe, Kevin | | | 1986 | PER | 0.00 | 1 | -0.28 | 30 | -8.40 | | | Moreno Gongora, Rubi | | | 1530 | PER | 1.00 | 1 | 0.16 | 30 | 4.80 | | | Valdiviezo, Miguel | | | 1806 | PER | 0.00 | 1 | -0.52 | 30 | -15.60 | | | Reynoso, Jorge | | | 1665 | PER | 0.00 | 1 | -0.70 | 30 | -21.00 | |
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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