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Individual Calculations September 2018 |
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| Bukannan, Ahmed A Total change: -15.00 | |   |
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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 |
| 1913 | 1966 | 6.50 | 9 | 1.36 | 20 | 27.20 | |
|  Alharbi, Bdullah Matar | | | 1897 | KSA | 1.00 | 1 | 0.40 | 20 | 8.00 | |  Alhasan, Abutalib Z | | | 1797 | KSA | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Al Zamel, Khaled | | | 1911 | KSA | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Al Onizan, Fahad M | | | 1915 | KSA | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Al Mutairi, Abdullah F | | | 1907 | KSA | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Alsulaymi, Abdullah M | | | 1720 | KSA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Masrahi, Abdulrahman A | c | | 1976 | KSA | 0.50 | 1 | 0.01 | 20 | 0.20 | | | Al Thebaiti, Ahmed M | | | 1940 | KSA | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Al Ghamdi, Ahmed M | c | | 2155 | KSA | 1.00 | 1 | 0.75 | 20 | 15.00 | |
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) | | | | 25th Abu Dhabi Int. Chess Festival(Open) | Abu Dhabi | UAE | 2018-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1711 | 1966 | 5.50 | 7 | -0.15 | 20 | -3.00 | |
| | Sara, Gadalla Karar | | | 1566 * | SUD | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Al-Burshaid, Ebrahim | | | 1700 | BRN | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Sunyuktha, C M N | | | 1758 | IND | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Felix, Winnie | | | 1764 | PHI | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Sahithi, Varshini M | | wc | 1728 | IND | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Reyes, Danilo G. | | | 1699 | PHI | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Lacap, Louie | | | 1764 | PHI | 1.00 | 1 | 0.24 | 20 | 4.80 | | | * 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 |
| 1826 | 1966 | 4.00 | 9 | -1.96 | 20 | -39.20 | |
| | Al Mutairi, Hassan S | | | 1830 | KSA | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Al Ghamdi, Ahmed M | c | | 2155 | KSA | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Al Suliman, Abdul Aziz | | | 1566 * | KSA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Masrahi, Abdulrahman A | c | | 1976 | KSA | 0.50 | 1 | 0.01 | 20 | 0.20 | | | Alsulaymi, Abdullah M | | | 1720 | KSA | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Agami, Ahmed | | | 1919 | EGY | 0.00 | 1 | -0.57 | 20 | -11.40 | | | Belali , Ahmad M | | | 1862 | KSA | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Alanazy, Mohammed | | | 1836 | KSA | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Alkathiri, Hamad | | | 1566 * | KSA | 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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