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Individual Calculations September 2010 |
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| Santiago Lastra, Nefi Total change: -41.85 | |   |
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| LV CAMPEONATO NACIONAL ABSOLUTO | Huaraz, Peru | PER | 2010-06-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1922 | 2093 | 4.00 | 8 | -1.64 | 15 | -24.60 | |
|  Arias, Mario | | | 2107 | PER | 0.00 | 1 | -0.48 | 15 | -7.20 | |  Tapia Huerta, Josias | | | 1693 * | PER | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Frias, Marco | | | 1904 | PER | 0.00 | 1 | -0.75 | 15 | -11.25 | | | Marcelo, Christopher | | | 1986 | PER | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Vega, Emilio | | | 2046 | PER | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Garcia, Miguel A | | | 1725 | PER | 1.00 | 1 | 0.10 | 15 | 1.50 | | | Cutipa, Elfer | | | 2009 | PER | 0.00 | 1 | -0.62 | 15 | -9.30 | | | Benites, Antonio | | | 1904 | PER | 0.50 | 1 | -0.25 | 15 | -3.75 | | | * 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) | | | | COPA LATINOAMERICANA DE AJEDREZ B | CUSCO, PERU | PER | 2010-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2035 | 2093 | 3.50 | 8 | -1.15 | 15 | -17.25 | |
| | Torres Castillo, Jose Luis | | | 1955 | PER | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Leon, Juan Carlos | | | 2190 | PER | 0.00 | 1 | -0.37 | 15 | -5.55 | | | De La Cruz, Jonathan | | | 1995 | PER | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Berger, Andres | | | 2191 | PER | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Bustamante, Godofredo | | | 1937 | PER | 0.50 | 1 | -0.21 | 15 | -3.15 | | | Llacsahuanga, Diego | | | 2024 | PER | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Celis, Kevin | | | 1986 | BOL | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Alzola, Enrique | | | 1999 | PER | 0.00 | 1 | -0.63 | 15 | -9.45 | |
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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