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Individual Calculations January 2010 |
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| Contreras Vargas, Miguel Total change: 3.45 | |   |
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| Torneo de Ajedrez Interempresas ENDESA 2009 | Santiago | CHI | 2009-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1993 | 2088 | 3.00 | 5 | -0.09 | 15 | -1.35 | |
|  Valenzuela Bravo, Rodrigo | | | 1964 | CHI | 1.00 | 1 | 0.33 | 15 | 4.95 | |  Vasquez Letnic, Carlos | | | 1987 | CHI | 0.00 | 1 | -0.64 | 15 | -9.60 | | | Henriquez Villagra, Cristobal | | | 2072 | CHI | 1.00 | 1 | 0.48 | 15 | 7.20 | | | San Martin Zambrano, Alfonso | | | 1784 | CHI | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Gonzalez Astete, Cristian | | | 2159 | CHI | 0.00 | 1 | -0.40 | 15 | -6.00 | |
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) | | | | Torneo Mayor 2009 CALF | LA FLORIDA | CHI | 2009-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1928 | 2088 | 4.50 | 6 | 0.32 | 15 | 4.80 | |
| | Gonzalez Steel, Humberto | | | 1743 | CHI | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Labra Carreno, Martin De La Cru | | | 2050 | CHI | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Cabezas Tiznado, Gonzalo Ignaci | | | 1919 | CHI | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Villanueva Massardo, David Igna | | | 1893 | CHI | 0.00 | 1 | -0.75 | 15 | -11.25 | | | Cabezas Cantillana, Marco Anton | | | 1883 | CHI | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Silva Villalon, Rodolfo | | | 2081 | CHI | 0.50 | 1 | -0.01 | 15 | -0.15 | |
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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