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Individual Calculations November 2021 |
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| Qatan, Said Mahad Total change: -33.20 | |   |
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| 8th Oman Individual Chess Championship | Muscat | OMA | 2021-09-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1519 | 1711 | 4.00 | 6 | -0.32 | 20 | -6.40 | |
|  Al, Harasi Saif | | | 1474 | OMA | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Al Shereiqi, Nasir | | | 1371 | OMA | 1.00 | 1 | 0.12 | 20 | 2.40 | |  Al Darwashi, Usama | | | 1459 | OMA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Al Habsi, Sultan Mohamed | | | 1311 * | OMA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Said, Ahmed Ali Jidal Fadhil | | | 1902 | OMA | 1.00 | 1 | 0.75 | 20 | 15.00 | | | Al Zadjali, Abdul Rahman | | | 1594 | OMA | 0.00 | 1 | -0.66 | 20 | -13.20 | | | * 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) | | | | World Amateur Chess Championship 2021 U2000 open | Rhodes | GRE | 2021-10-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1714 | 1711 | 2.50 | 8 | -1.34 | 20 | -26.80 | |
| | Degrande, Marigje | | | 1889 | BEL | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Silva Hernandez, Jesus Arturo | c | | 1975 | MEX | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Yarur Rescaglio, Maria Jose | | | 1311 * | CHI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ndegwa, Jackson Kamau | | | 1955 | KEN | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Golubev, Viktor | | | 1978 | RUS | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Mitzas, Dimitris | | | 1331 | GRE | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Yarur Elsaca, Daniel | | | 1454 | CHI | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Bohlok, Houssam | | | 1816 | LBN | 0.00 | 1 | -0.36 | 20 | -7.20 | | | * 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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