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Individual Calculations January 2018 |
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| Costa, Joao Guerra Total change: -24.20 | |   |
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| IV Azores Chess Open (CNL) | Ponta Delgada | POR | 2017-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2001 | 2146 | 3.50 | 7 | -1.21 | 20 | -24.20 | |
|  Belchior, Nuno Miguel Bettencour | | | 1746 * | POR | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Antao, Jorge | | | 1866 | POR | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Beltran Ortiz, Edda Georgina | | | 1927 | ESP | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Costa, Paulo | | | 2161 | POR | 0.50 | 1 | 0.02 | 20 | 0.40 | | | Campora, Daniel H. | g | | 2417 | ARG | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Maltez, Nuno Manuel Fidalgo | | | 1950 | POR | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Santos, Jose Guilherme B Lima | | | 1937 | POR | 0.00 | 1 | -0.77 | 20 | -15.40 | | | * 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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