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Individual Calculations January 2010 |
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| Arenas, David Total change: -21.60 | |   |
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| Juegos Nacionales Universitarios Ajedrez Absoluto | Pereira (Colombia) | COL | 2009-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2074 | 2333 | 4.50 | 6 | -0.38 | 15 | -5.70 | |
|  Lopez Idarraga, Daniel Eduardo | | | 1980 | COL | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Perez Olarte, Cesar Camilo | | | 2102 | COL | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Maya, Juan Carlos | | | 2143 | COL | 0.00 | 1 | -0.75 | 15 | -11.25 | | | Cupaban Bautista, Sergio Alejan | | | 1999 | COL | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Bolivar, Jeison | | | 2124 | COL | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Avila, Pedro Andres | | | 2093 | COL | 0.50 | 1 | -0.30 | 15 | -4.50 | |
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) | | | | World Youth Chess Championship-u18 | Antaly | TUR | 2009-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2284 | 2333 | 4.50 | 10 | -1.06 | 15 | -15.90 | |
| | Martinovic, Sasa | m | | 2482 | CRO | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Yilmaz, Mustafa | m | | 2468 | TUR | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Piorun, Kacper | m | | 2475 | POL | 0.00 | 1 | -0.31 | 15 | -4.65 | | | De Filomeno, Simone | | | 2234 | ITA | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Balog, Imre | m | | 2491 | HUN | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Schon, Eugene | | | 2171 | AUS | 0.00 | 1 | -0.71 | 15 | -10.65 | | | Margarido, Ricardo Emanuel Torre | | | 1966 | POR | 0.50 | 1 | -0.40 | 15 | -6.00 | | | Adair, James | | | 2188 | ENG | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Pradeep, Kumar R.a. | | | 2202 | IND | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Biryukov, Mikhail | f | | 2165 | RUS | 1.00 | 1 | 0.28 | 15 | 4.20 | |
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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