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Individual Calculations September 2015 |
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| Ostos, Julio Eduardo Total change: -8.20 | |   |
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| PANAMERICAN SENIOR CHESS CHAMPIONSHIP Over 50 | Porlamar | VEN | 2015-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2032 | 2242 | 5.50 | 8 | -0.41 | 20 | -8.20 | |
|  Amaro Garcia, Juan | | | 1880 | VEN | 1.00 | 1 | 0.10 | 20 | 2.00 | |  Quijada, Leonardo | | | 1968 | CHI | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Varela, Jesus | | | 1842 * | VEN | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Cummings, David H. | m | | 2311 | CAN | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Barron, Michael | f | | 2208 | CAN | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Acuna Monteverde, Pablo | | | 1910 | VEN | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Madeira, Wagner Martins | f | | 2172 | BRA | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Gauna Rojas, Jose Gregorio | | | 1964 | VEN | 0.50 | 1 | -0.33 | 20 | -6.60 | | | * 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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