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Individual Calculations January 2009 |
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| De Arco, Luis Carlos Total change: 19.95 | |   |
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| Nal Colegial B MASC | Armenia | COL | 2008-10-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1947 | 2182 | 2.00 | 2 | 0.41 | 15 | 6.15 | |
|  Hernandez, Daniel Santiago | | | 1938 | COL | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Celis Guzman, Julian Fernando | | | 1956 | COL | 1.00 | 1 | 0.21 | 15 | 3.15 | |
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) | | | | Nacional Escolar Sub 17 | Barranquilla | COL | 2008-11-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1998 | 2182 | 5.50 | 6 | 1.08 | 15 | 16.20 | |
|  Valencia, Andres Felipe | | | 1959 | COL | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Guerrero Fandino, Gustavo A | | | 2106 | COL | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Castro, Natalia Patricia | | | 2001 | COL | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Santos, Natalia Andrea | | | 1981 | COL | 0.50 | 1 | -0.26 | 15 | -3.90 | | | Lugo Lozano, Luz Adriana | | | 1940 | COL | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Barros, Raul Jr | f | | 2002 | 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 Juegos Nacionales ABS 2008 | San Andres | COL | 2008-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2014 | 2182 | 2.00 | 3 | -0.16 | 15 | -2.40 | |
| | Portnoy, Ivan Alberto | | | 1988 | COL | 0.00 | 1 | -0.75 | 15 | -11.25 | | | Moreno, Jhovanni | | | 2000 | COL | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Fonseca, Carlos Arturo | | | 2053 | COL | 1.00 | 1 | 0.33 | 15 | 4.95 | |
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) | | |
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