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Individual Calculations September 2018 |
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| Al Ghamdi, Ahmed M Total change: -28.60 | |   |
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| The final stage of chess tournament in Saudi Arabia | Alriyadh | KSA | 2018-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1896 | 2155 | 7.50 | 9 | 0.20 | 20 | 4.00 | |
|  Masrahi, Abdulrahman A | c | | 1976 | KSA | 1.00 | 1 | 0.27 | 20 | 5.40 | |  Al Thebaiti, Ahmed M | | | 1940 | KSA | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Alsulaymi, Abdullah M | | | 1755 * | KSA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Alharbi, Bdullah Matar | | | 1897 | KSA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Alhasan, Abutalib Z | | | 1797 | KSA | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Al Zamel, Khaled | | | 1911 | KSA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Al Onizan, Fahad M | | | 1915 | KSA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Al Mutairi, Abdullah F | | | 1907 | KSA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Bukannan, Ahmed A | | | 1966 | KSA | 0.00 | 1 | -0.75 | 20 | -15.00 | | | * 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) | | | | Riyadh Closed 2018 | Alriyadh | KSA | 2018-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1850 | 2155 | 6.00 | 9 | -1.63 | 20 | -32.60 | |
| | Al Suliman, Abdul Aziz | | | 1755 * | KSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Bukannan, Ahmed A | | | 1966 | KSA | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Masrahi, Abdulrahman A | c | | 1976 | KSA | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Alsulaymi, Abdullah M | | | 1755 * | KSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Agami, Ahmed | | | 1919 | EGY | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Belali , Ahmad M | | | 1862 | KSA | 0.00 | 1 | -0.85 | 20 | -17.00 | | | Alanazy, Mohammed | | | 1836 | KSA | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Alkathiri, Hamad | | | 1755 * | KSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Al Mutairi, Hassan S | | | 1830 | KSA | 0.50 | 1 | -0.37 | 20 | -7.40 | | | * 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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