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Individual Calculations December 2018 |
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| Amr, Majdalawi Total change: -42.00 | |   |
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| 26th Prince Mohamed Tournament- 2018 Open | Amman | JOR | 2018-10-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1949 | 1718 | 1.50 | 4 | 0.67 | 40 | 26.80 | |
|  Ibrahim, Alwahsh | | | 1965 | JOR | 1.00 | 1 | 0.81 | 40 | 32.40 | |  Fathi, Naser | | | 1937 | JOR | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Al-Bashayra, Yazan | f | | 1935 | JOR | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Abulaban, Amr | | | 1958 | JOR | 0.00 | 1 | -0.20 | 40 | -8.00 | |
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) | | | | Arab Chess Individual Championship 2018 U14 Open | Hammamet | TUN | 2018-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1500 | 1718 | 5.00 | 9 | -1.72 | 40 | -68.80 | |
| | Al Busaidi, Hamood | | | 1373 | OMA | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Yettouche, Yaristan | c | | 1490 | ALG | 0.00 | 1 | -0.79 | 40 | -31.60 | | | Charef Khodja, Ayoub | | | 1402 | ALG | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Zaid, Alaa Chasib | c | | 1710 | IRQ | 0.00 | 1 | -0.51 | 40 | -20.40 | | | Elharrak, Youssef | | | 1318 * | MAR | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Ezzeddine, Mohamed Amine | | | 1437 | TUN | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Yazan, Abo Khalaf | | | 1612 | PLE | 0.50 | 1 | -0.14 | 40 | -5.60 | | | Mohamed, Saeed Laily | c | | 1836 | UAE | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Derouiche, Mohamed Ramy | | | 1318 * | TUN | 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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