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Individual Calculations December 2018 |
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| Mohammad, Alhadidi Total change: 49.60 | |   |
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| 26th Prince Mohamed Tournament- 2018 Open | Amman | JOR | 2018-10-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1568 | 1200 | 1.00 | 3 | 0.70 | 40 | 28.00 | |
|  Abdallah, A-Shbol | | | 1600 * | JOR | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Laith, Tawalbeh | | | 1505 | JOR | 1.00 | 1 | 0.86 | 40 | 34.40 | | | Ali, Sakarnah | | | 1600 * | JOR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | Arab Chess Individual Championship 2018 U12 Open | Hammamet | TUN | 2018-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1349 | 1200 | 3.00 | 8 | 0.54 | 40 | 21.60 | |
| | Benyahia, Safin | c | | 1415 | ALG | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Dahmani, Sami | c | | 1349 | TUN | 1.00 | 1 | 0.70 | 40 | 28.00 | | | Najjar, Seif | | | 1382 | TUN | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Ismail, Khalel Tariq | | | 1405 | IRQ | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Derouiche, Omar | | | 1150 | TUN | 0.00 | 1 | -0.57 | 40 | -22.80 | | | Abdel, Rahman Alhadidi | | | 1362 | JOR | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Mrizek, Omar | | | 1322 | TUN | 0.50 | 1 | 0.17 | 40 | 6.80 | | | Boulaares, Akram | | | 1405 | TUN | 0.00 | 1 | -0.24 | 40 | -9.60 | |
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) | | |
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