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Individual Calculations January 2015 |
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| Silva, David Total change: 148.00 | |   |
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| African Jinior Championship Open 2014 | Saurimo - Lunda Sul | ANG | 2014-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1991 | 2007 | 7.00 | 7 | 3.35 | 40 | 134.00 | |
|  Mapini, Otsile | | | 1904 | BOT | 1.00 | 1 | 0.36 | 40 | 14.40 | |  Ouaret, Abdelouhab | f | | 2073 | ALG | 1.00 | 1 | 0.59 | 40 | 23.60 | | | Aguiar, Cristiano | f | | 1987 | ANG | 1.00 | 1 | 0.47 | 40 | 18.80 | | | Saim, Mohamed Ilias | f | | 2014 | ALG | 1.00 | 1 | 0.51 | 40 | 20.40 | | | Silvio, Famoroso F | c | | 1954 | ANG | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Kaoma, , Micheal | | | 2046 | ZAM | 1.00 | 1 | 0.55 | 40 | 22.00 | | | Gama, Edivaldo Jr | | | 1961 | ANG | 1.00 | 1 | 0.44 | 40 | 17.60 | |
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) | | | | Festival Fim de Ano 2014 | Malange | ANG | 2014-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2057 | 2007 | 2.00 | 4 | 0.35 | 40 | 14.00 | |
| | Joao, Delfina | | | 1607 * | ANG | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Agnelo, Amorim | m | | 2228 | ANG | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Domingos, Catarino | f | | 2253 | ANG | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Cambando, Jose | c | | 2139 | ANG | 0.00 | 1 | -0.32 | 40 | -12.80 | | | * 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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