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Individual Calculations November 2021 |
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| Al Ibrahim, Abdulrahman Total change: 10.40 | |   |
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| World Amateur Chess Championship 2021 U2000 open | Rhodes | GRE | 2021-10-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1907 | 1780 | 3.50 | 9 | 0.52 | 20 | 10.40 | |
|  Ndegwa, Jackson Kamau | | | 1955 | KEN | 1.00 | 1 | 0.73 | 20 | 14.60 | |  Degrande, Marigje | | | 1889 | BEL | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Astrelin, Evgeny | | | 1980 | RUS | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Boesch, Heinz | | | 1901 | GER | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Petras, Milan | c | | 1889 | CZE | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Hashem, Khaled | c | | 1893 | KUW | 1.00 | 1 | 0.65 | 20 | 13.00 | | | Silva Hernandez, Jesus Arturo | c | | 1975 | MEX | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Singe, Philip Mbawala | | | 1867 | KEN | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Bohlok, Houssam | | | 1816 | LBN | 0.00 | 1 | -0.45 | 20 | -9.00 | |
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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