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Individual Calculations June 2015 |
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| Buitrago, Bernardo Total change: -8.00 | |   |
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| IRT Open 77 Distrital Mayores Absoluto | Bogota | COL | 2015-04-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1939 | 1822 | 1.00 | 4 | -0.40 | 20 | -8.00 | |
|  Rosero, Hugo Alberto | | | 1662 | COL | 0.50 | 1 | -0.21 | 20 | -4.20 | |  Estrella Becerra, Fernando | c | | 1976 | COL | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Ceron, Juan Carlos | | | 2068 | COL | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Nieto, Manuel Valerio Waldo | | | 2050 | COL | 0.00 | 1 | -0.21 | 20 | -4.20 | |
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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