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Individual Calculations December 2018 |
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| Abdel, Rahman Alhadidi Total change: -37.20 | |   |
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| 26th Prince Mohamed Tournament- 2018 Open | Amman | JOR | 2018-10-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1569 | 1362 | 0.00 | 2 | -0.47 | 40 | -18.80 | |
|  Ahmad, Jawarneh | | | 1586 | JOR | 0.00 | 1 | -0.22 | 40 | -8.80 | |  Elias, Redwan | | | 1552 | PLE | 0.00 | 1 | -0.25 | 40 | -10.00 | |
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 U12 Open | Hammamet | TUN | 2018-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1423 | 1362 | 3.00 | 8 | -0.46 | 40 | -18.40 | |
| | Bidi, Abdeljalil | | | 1337 | ALG | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Derouiche, Omar | | | 1150 | TUN | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Ali, Firas Qassim | | | 1618 | IRQ | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Chaoui, Rayane | | | 1618 | MAR | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Aissani, Fethallah | | | 1350 | ALG | 1.00 | 1 | 0.48 | 40 | 19.20 | | | Mohammad, Alhadidi | | | 1200 | JOR | 0.50 | 1 | -0.21 | 40 | -8.40 | | | Raji Sayel, Abu Azizah | | | 1699 | PLE | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Benyahia, Safin | c | | 1415 | ALG | 0.00 | 1 | -0.43 | 40 | -17.20 | |
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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