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Individual Calculations January 2009 |
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| Melgosa, Marcio Total change: -18.15 | |   |
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| IRT Open Internacional U Central | Bogota | COL | 2008-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2233 | 2292 | 6.00 | 9 | 0.81 | 15 | 12.15 | |
|  Perez Olarte, Cesar Camilo | | | 2083 | COL | 1.00 | 1 | 0.23 | 15 | 3.45 | |  Rivera, Ingris | | wm | 2153 | COL | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Gallego, Andres Felipe | | | 2365 | COL | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Rojas Barrero, Andres H | | | 2253 | COL | 0.00 | 1 | -0.55 | 15 | -8.25 | | | Becerra, Juan David | | | 2142 | COL | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Montenegro, , Juan Rolando | | | 2159 | COL | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Espinosa, Julio Manuel | f | | 2303 | COL | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Castro, Oscar H | m | | 2395 | COL | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Diaz, Jaime Walter | | | 2246 | COL | 1.00 | 1 | 0.44 | 15 | 6.60 | |
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 Juegos Nacionales ABS 2008 | San Andres | COL | 2008-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2094 | 2292 | 4.00 | 8 | -2.02 | 15 | -30.30 | |
| | Ojeda, Jesus David | | | 2029 | COL | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Garavito, Miguel Angel | | | 2157 | COL | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Castano, Julian Marcelo | | | 2075 | COL | 0.50 | 1 | -0.28 | 15 | -4.20 | | | Jurado Barreiro, Frank | | | 2084 | COL | 0.50 | 1 | -0.27 | 15 | -4.05 | | | Fonseca, Carlos Arturo | | | 2053 | COL | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Martinez, Julian | | | 2147 | COL | 0.00 | 1 | -0.69 | 15 | -10.35 | | | Tobar, Juan Carlos | | | 2032 | COL | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Sanchez, Sebastian Felipe | | | 2178 | COL | 0.00 | 1 | -0.66 | 15 | -9.90 | |
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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