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Individual Calculations March 2018 |
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| Zayan, Mohamed Total change: 19.00 | |   |
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| Egyptian League Final 2018/2019 Rounds 1-3 | Many Cities | EGY | 2017-12-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2215 | 2114 | 1.00 | 2 | 0.27 | 40 | 10.80 | |
|  Sarwat, Walaa | m | | 2288 | EGY | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Abdelrahman, A.k. | | | 2142 | EGY | 1.00 | 1 | 0.54 | 40 | 21.60 | |
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) | | | NOTE: K factor changed | | Arab Youth Chess Championships U18(open) 2017 | Sharjah | UAE | 2018-01-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1901 | 2153 | 6.00 | 7 | 0.41 | 20 | 8.20 | |
| | Mohammad, Nouali | f | | 1979 | TUN | 1.00 | 1 | 0.27 | 20 | 5.40 | |  Ali, Abdulaziz | | | 1875 | UAE | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Mohamed, Marshool | | | 1831 | UAE | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Araoun, Saadi | c | | 2064 | ALG | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Al-Bashayra, Yazan | f | | 1881 | JOR | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Al-Zaabi, Sultan | c | | 1927 | UAE | 0.00 | 1 | -0.79 | 20 | -15.80 | | | Al Balushi, Emad | | | 1753 * | OMA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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