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Individual Calculations July 2009 |
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| Martinez, Martin Total change: 13.35 | |   |
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| Nacional Sub14 Absoluto | Villavicencio | COL | 2009-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2000 | 2083 | 3.50 | 4 | 1.04 | 15 | 15.60 | |
|  Castro, Jairo Antonio | | | 2003 | COL | 1.00 | 1 | 0.39 | 15 | 5.85 | |  Escobar Barona, Juan Fernando | | | 1982 | COL | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Rendon, Daniel | | | 2026 | COL | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Pardo, Javier Andres | | | 1989 | COL | 1.00 | 1 | 0.37 | 15 | 5.55 | |
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) | | | | Nacional Sub20 Absoluto | Bogota | COL | 2009-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2097 | 2121 | 3.00 | 5 | 0.33 | 15 | 4.95 | |
| | Vargas, Arteaga Alexis | | | 2217 | COL | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Silva, John Hansen | | | 2028 | COL | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Univio Sanchez, German | | | 1946 | COL | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Avila, Pedro Andres | | | 2088 | COL | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Rios, Cristhian Camilo | f | | 2204 | COL | 0.50 | 1 | 0.11 | 15 | 1.65 | |
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) | | | | 5th World School Chess Championship - Open U15 | Thessaloniki | GRE | 2009-04-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2084 | 2121 | 4.00 | 7 | 0.19 | 15 | 2.85 | |
| | Cherniuk, Mikhail | | | 2163 | RUS | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Ou, Bonan | | | 1947 | CHN | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Mammadov, Zaur Fazahir Oglu | | | 2180 | AZE | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Koutroukis, Andreas | | | 1853 | GRE | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Lortkipanidze, Nodar | | | 2219 | GEO | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Pop, Alexandru | | | 2010 | ROU | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Han, Chao | | | 2216 | CHN | 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) | | | | Nacional Absoluto Sub 16 | Cali | COL | 2009-05-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1986 | 2121 | 4.00 | 7 | -0.67 | 15 | -10.05 | |
| | Dominguez, Oscar | | | 1771 | COL | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Duque, Juan Camilo | | | 1980 | COL | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Escobar Medina, Andres F | | | 2121 | COL | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Hernandez, Daniel Santiago | | | 1948 | COL | 0.00 | 1 | -0.73 | 15 | -10.95 | | | Escobar, Guido Jose | | | 1960 | COL | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Valencia, Adrian David | | | 1920 | COL | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Rios, Cristhian Camilo | f | | 2204 | COL | 0.00 | 1 | -0.39 | 15 | -5.85 | |
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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