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Individual Calculations January 2009 |
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| Zuluaga, Cesar Total change: -13.35 | |   |
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| IRT Nacional Inter-Empresas 2008 | Bogota | COL | 2008-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2156 | 2320 | 4.00 | 6 | -0.23 | 15 | -3.45 | |
|  Ramirez, Heimy Polgar | | | 2027 | COL | 1.00 | 1 | 0.15 | 15 | 2.25 | |  Mateus, Alejandro | | | 2192 | COL | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Panesso, Henry | f | | 2297 | COL | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Guerrero, Hernando | | | 2027 | COL | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Renteria, Jorge Eliecer | f | | 2256 | COL | 0.00 | 1 | -0.59 | 15 | -8.85 | | | Guerrero Forero, Ricardo Alon | | | 2135 | COL | 1.00 | 1 | 0.26 | 15 | 3.90 | |
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) | | | | IRT Open Internacional U Central | Bogota | COL | 2008-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2212 | 2320 | 6.00 | 9 | 0.24 | 15 | 3.60 | |
| | Pena Duarte, Fabian Dario | | | 2086 | COL | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Alvarez, Amaury | | | 2148 | COL | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Diaz, Jaime Walter | | | 2246 | COL | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Garavito, Miguel Angel | | | 2157 | COL | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Narvaez, , Faber Alberto | | | 2123 | COL | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Rivera, Alberto | m | | 2363 | CUB | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Castro, Oscar H | m | | 2395 | COL | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Guerrero Forero, Ricardo | | | 2135 | COL | 0.00 | 1 | -0.74 | 15 | -11.10 | | | Rojas Barrero, Andres H | | | 2253 | COL | 1.00 | 1 | 0.41 | 15 | 6.15 | |
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) | | | | Torneo IRT OPEN DE LAS AMERICAS | Medellin | COL | 2008-11-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2230 | 2320 | 6.50 | 9 | 0.93 | 15 | 13.95 | |
| | Franco, Angela | | wf | 2098 | COL | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Valle, Efrain | c | | 2173 | COL | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Castaneda, Jhon David | | | 2161 | COL | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Delgado Ramirez, Neuris | g | | 2549 | CUB | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Garavito, Miguel Angel | | | 2157 | COL | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Zapata Cuartas, Juan Carlos | | | 2180 | COL | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Arenas, David | m | | 2323 | COL | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Pena Duarte, Fabian Dario | | | 2086 | COL | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Vittorino, Carlo | f | | 2342 | COL | 0.50 | 1 | 0.03 | 15 | 0.45 | |
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 |
| 2293 | 2320 | 3.50 | 8 | -0.79 | 15 | -11.85 | |
| | Sanchez, Victor Hugo | | | 2170 | COL | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Vittorino, Carlo | f | | 2342 | COL | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Remicio Duque, John H | | | 2216 | COL | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Echavarria, Johann | f | | 2376 | COL | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Rojas Barrero, Andres H | | | 2253 | COL | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Pena, Alfredo | f | | 2309 | COL | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Gallego, Andres Felipe | | | 2365 | COL | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Ossa, Orlando | | | 2314 | COL | 0.00 | 1 | -0.51 | 15 | -7.65 | |
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 |
| 2187 | 2320 | 5.00 | 9 | -1.04 | 15 | -15.60 | |
| | Tobar, Juan Carlos | | | 2032 | COL | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Sanchez, Victor Hugo | | | 2170 | COL | 0.00 | 1 | -0.70 | 15 | -10.50 | | | Ruiz, Pablo | | | 2210 | COL | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Guerrero Forero, Ricardo Alonso | | | 2135 | COL | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Garavito, Miguel Angel | | | 2157 | COL | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Escobar Forero, Alder | m | | 2482 | COL | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Mateus, Alejandro | | | 2192 | COL | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Remicio Duque, John H | | | 2216 | COL | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Pena Duarte, Fabian Dario | | | 2086 | COL | 0.50 | 1 | -0.29 | 15 | -4.35 | |
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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