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Individual Calculations September 2023 |
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| Al Mamari, Ali Abdullah Total change: 38.20 | |   |
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| Al Ain Summer tournament | Al Ain | UAE | 2023-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1490 | 1520 | 3.50 | 6 | 0.17 | 20 | 3.40 | |
|  Mahra, Khalifa Al Neyadi | | | 1120 * | UAE | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Aditi, Arun | | | 1218 | IND | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Marcos, Marvin | | | 1967 | PHI | 0.00 | 1 | -0.06 | 20 | -1.20 | | | Nookala, Nikhil Sriram | | | 1353 | IND | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Sampreet, Sudheer | | | 1375 | IND | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Pedarse, Marlon | | | 1905 | PHI | 0.00 | 1 | -0.09 | 20 | -1.80 | | | * 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) | | | | 6th Oman Club Chess Championship 2023 | Muscat | OMA | 2023-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1566 | 1520 | 3.00 | 7 | -0.20 | 20 | -4.00 | |
| | Al Habsi, Sultan Mohamed | | | 1465 | OMA | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Al Ghafri, Alanoud | | | 1288 | OMA | 0.00 | 1 | -0.79 | 20 | -15.80 | | | Al Mashani, Ahmed Salim | | | 1549 | OMA | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Al Amri, Mahad | | | 1602 | OMA | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Al Kathiri, Mana | | | 1677 | OMA | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Al Mamari, Imran | | | 1431 | OMA | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Al Mashikhi, Mohammed Alyan | c | | 1952 | OMA | 0.00 | 1 | -0.07 | 20 | -1.40 | |
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) | | | | Abu Dhabi Open Chess Tournament-A | Abu Dhabi | UAE | 2023-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1719 | 1520 | 4.50 | 9 | 1.94 | 20 | 38.80 | |
| | Hamad, Bader | | | 2003 | UAE | 0.00 | 1 | -0.05 | 20 | -1.00 | | | Sinan, Shafeek | | | 1212 | IND | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Majidi, Seyed Mohammad Parsa | | | 1909 | IRI | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Kindipan, Zyralle | | | 1336 | PHI | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Mohammad Abdulrahman, Alawadhi | | | 1865 | UAE | 1.00 | 1 | 0.89 | 20 | 17.80 | | | Khalifa Essa, Albalooshi | | | 1803 | UAE | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Hamdan Edrees, Alhamed | | | 1730 | UAE | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Alsaqer, Meshal | | | 1770 | KUW | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Van Zyl, Charlize | | wm | 1839 | RSA | 1.00 | 1 | 0.87 | 20 | 17.40 | |
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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