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Individual Calculations January 2020 |
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| Celso, Andre Manjate Total change: 59.60 | |   |
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| Eswatini Open Prestige 2019 | Mbabane | SWZ | 2019-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1641 | 1661 | 2.00 | 4 | -0.16 | 40 | -6.40 | |
|  Vasco, Mateus Felizardo Viageiro | | | 1948 | MOZ | 0.00 | 1 | -0.16 | 40 | -6.40 | |  Nxumalo, Vuyo | | | 1529 | SWZ | 0.00 | 1 | -0.68 | 40 | -27.20 | | | Langa, Mario Emerson | | | 1523 | MOZ | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Liebert, Samuel | | | 1563 | HUN | 1.00 | 1 | 0.37 | 40 | 14.80 | |
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) | | | | 2019 African Youth Chess Championship (Under 18 Open) | Windhoek | NAM | 2019-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1790 | 1661 | 4.50 | 8 | 1.65 | 40 | 66.00 | |
| | Elier, Ali | | | 2030 | LBA | 1.00 | 1 | 0.90 | 40 | 36.00 | | | Beukes, Dante M | f | | 2061 * | NAM | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Leffad , Samy | f | | 1949 | ALG | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Mutuge, Ian | | | 1334 | KEN | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Filipe, Marcio | | | 2048 | ANG | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Van Der Meer, Anthony | | | 1312 | NAM | 0.50 | 1 | -0.39 | 40 | -15.60 | | | Monare, Tshepo | c | | 1687 | BOT | 1.00 | 1 | 0.54 | 40 | 21.60 | | | Kandil, Ahmed | c | | 1901 | EGY | 1.00 | 1 | 0.80 | 40 | 32.00 | | | * 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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