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Individual Calculations January 2009 |
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| Prieto, Ernesto Total change: -30.90 | |   |
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| IRT Open Internacional U Central | Bogota | COL | 2008-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2093 | 2181 | 3.00 | 6 | -0.61 | 15 | -9.15 | |
|  Aragon Aviles, Sandra | | | 1831 | COL | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Cuartas, Jorge Humberto | f | | 2283 | COL | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Castro, Oscar H | m | | 2395 | COL | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Perez Olarte, Cesar Camilo | | | 2083 | COL | 0.00 | 1 | -0.63 | 15 | -9.45 | | | Univio Sanchez, German | | | 1912 | COL | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Fonseca, Carlos Arturo | | | 2053 | COL | 0.50 | 1 | -0.17 | 15 | -2.55 | |
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) | | | | IRT Sub-Zonal ABS 2.3.4 | San Andres | COL | 2008-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2239 | 2181 | 1.50 | 7 | -1.45 | 15 | -21.75 | |
| | Ossa, Orlando | | | 2314 | COL | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Rojas Barrero, Andres H | | | 2253 | COL | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Manotas, Franklin | | | 2029 | COL | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Becerra, Juan David | | | 2142 | COL | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Pena, Alfredo | f | | 2309 | COL | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Vittorino, Carlo | f | | 2342 | COL | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Ramirez, Carlos | f | | 2284 | COL | 0.00 | 1 | -0.36 | 15 | -5.40 | |
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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