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Individual Calculations November 2015 |
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| Piraquive, Alberto Total change: -2.20 | |   |
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| IX Festival Internacional de Ajedrez Universidad Central | Bogota | COL | 2015-10-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1986 | 1869 | 2.50 | 7 | -0.11 | 20 | -2.20 | |
|  Alvarez Pedraza, Aramis | g | | 2269 * | CUB | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Ossa, Orlando | m | | 2269 * | COL | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Simpson, David R | | | 1675 | USA | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Andrade Truyol, Geiner Jose | c | | 1995 | COL | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Acosta, Jaime | | | 1635 | COL | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Salcedo, Jackeline | | wf | 2039 | COL | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Acevedo, Johan | | | 2022 | COL | 0.00 | 1 | -0.30 | 20 | -6.00 | | | * 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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