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Individual Calculations August 2019 |
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| Rouda Essa, Alserkal Total change: -82.80 | |   |
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| Najdorf Chess Festival gr. B | Warszawa | POL | 2019-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1814 | 1684 | 2.50 | 8 | -0.12 | 40 | -4.80 | |
|  Wadelek, Karol | | | 1922 | POL | 0.50 | 1 | 0.30 | 40 | 12.00 | |  Matyszkiewicz, Wiktor | | | 1875 | POL | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Przepiora, Anna | | | 1773 | POL | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Orlik, Sandra | | | 1805 | POL | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Gorecki, Andrzej | | | 1750 | POL | 1.00 | 1 | 0.59 | 40 | 23.60 | | | Budzisz, Adrian | | | 1762 | POL | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Rejniak, Zuzanna | | | 1808 | POL | 0.50 | 1 | 0.17 | 40 | 6.80 | | | Pietrzak, Wojciech | | | 1814 | POL | 0.00 | 1 | -0.32 | 40 | -12.80 | |
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) | | | | Arab Individual Chess Age Groups Championship - 2019 U20-F | Amman | JOR | 2019-07-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1566 | 1684 | 2.50 | 7 | -1.95 | 40 | -78.00 | |
| | Faqeeh, Yara | | wc | 1476 | PLE | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Al-Moaamari, Mozah | | | 1386 | UAE | 0.50 | 1 | -0.35 | 40 | -14.00 | | | Nassr, Manel | | wc | 1489 | ALG | 0.00 | 1 | -0.75 | 40 | -30.00 | | | A-Ali, Sali Abbas Abdulzahra | | wf | 1943 | IRQ | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Miladi, Amen | | wf | 1777 | TUN | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Al Kalbani, Wadima | | wf | 1606 | UAE | 0.00 | 1 | -0.61 | 40 | -24.40 | | | Roaa, Smreen | | | 1284 * | JOR | 1.00 | 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) | | |
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