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Individual Calculations January 2012 |
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| Contreras R, Wilson Mauricio Total change: 6.60 | |   |
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| IRT Distrital Open de Mayores Noviembre | Bogota | COL | 2011-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1998 | 1854 | 2.00 | 4 | 0.73 | 30 | 21.90 | |
|  Estrella Becerra, Fernando | | | 2084 | COL | 1.00 | 1 | 0.79 | 30 | 23.70 | |  Moreno Lozano, David | | | 1936 | COL | 0.00 | 1 | -0.39 | 30 | -11.70 | | | Salej, Jorge | | | 2104 | COL | 0.00 | 1 | -0.19 | 30 | -5.70 | | | Luna, David Humberto | | | 1868 | COL | 1.00 | 1 | 0.52 | 30 | 15.60 | |
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) | | | | II JAHV McGregor de Ajedrez ITT | Bogota | COL | 2011-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2138 | 1854 | 0.00 | 3 | -0.51 | 30 | -15.30 | |
| | Mosquera, Miguel | m | | 2254 * | COL | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Puentes, Alvaro | | | 2095 | COL | 0.00 | 1 | -0.20 | 30 | -6.00 | | | Guelgua, Alvaro | | | 2064 | COL | 0.00 | 1 | -0.23 | 30 | -6.90 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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