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Individual Calculations January 2009 |
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| Barros, Raul Jr Total change: 10.95 | |   |
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| America Central and Caribbean Regional Champiomship U- 14 Male | San Salvador | ESA | 2008-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2180 | 2026 | 1.00 | 2 | 0.36 | 15 | 5.40 | |
|  Fernandez, Bernardo | | | 2335 | PAN | 1.00 | 1 | 0.86 | 15 | 12.90 | | | Martinez Romero, Martin | | | 2025 | COL | 0.00 | 1 | -0.50 | 15 | -7.50 | |
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) | | | | Nal Colegial A MASC | Armenia | COL | 2008-10-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2185 | 2002 | 0.00 | 1 | -0.26 | 15 | -3.90 | |
|  Ruiz C, Joshua D | c | | 2185 | COL | 0.00 | 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) | | | | 2008 Pan American - Continental Championships | Boca Raton, Florida | USA | 2008-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2228 | 2002 | 3.00 | 9 | 0.99 | 15 | 14.85 | |
| | Betaneli, Alex | f | | 2318 | USA | 1.00 | 1 | 0.87 | 15 | 13.05 | | | Sarkar, Justin | m | | 2352 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Melekhina, Alisa | | wf | 2299 | USA | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Hortillosa, Andres | | | 2199 | USA | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Margulis, Yevgeni | | | 2274 | USA | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Times, Jerald W | | | 2202 | USA | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Xanthos, Constantine | | | 2196 | USA | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Airapetian, Chouchanik | | wf | 2117 | USA | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Bermudez, Eduardo | | | 2095 | COL | 0.50 | 1 | 0.13 | 15 | 1.95 | |
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) | | | | TAEI Fecodaz-IDPU | Barranquilla | COL | 2008-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2055 | 2002 | 5.00 | 11 | 0.26 | 15 | 3.90 | |
| | Noguera, David | | | 1990 | COL | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Velazco, Jose Luis | | | 1957 | COL | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Chima, Luis Manuel | | | 2017 | COL | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Trujillo, Otoniel | | | 2249 | COL | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Ruiz C, Joshua D | c | | 2185 | COL | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Castiblanco, Pedro | | | 2112 | COL | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Marcial Torres, Jesus | | | 1957 | COL | 0.50 | 1 | -0.06 | 15 | -0.90 | | | Pabon Sarmiento, Juan Pablo | | | 2017 | COL | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Gomez Guardo, Laura Melissa | | | 2017 | COL | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Rosado Perez, Maria Jose | | | 2050 | COL | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Toro Pinedo, Mariana | | | 2050 | COL | 0.50 | 1 | 0.07 | 15 | 1.05 | |
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) | | | | Nacional Escolar Sub 17 | Barranquilla | COL | 2008-11-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2144 | 2002 | 0.00 | 2 | -0.62 | 15 | -9.30 | |
| | Guerrero Fandino, Gustavo A | | | 2106 | COL | 0.00 | 1 | -0.36 | 15 | -5.40 | | | De Arco, Luis Carlos | | | 2182 | COL | 0.00 | 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) | | |
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