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Individual Calculations September 2018 |
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| Masrahi, Abdulrahman A Total change: -96.60 | |   |
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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 |
| 1912 | 1976 | 4.50 | 9 | -0.75 | 20 | -15.00 | |
|  Al Ghamdi, Ahmed M | c | | 2155 | KSA | 0.00 | 1 | -0.27 | 20 | -5.40 | |  Alharbi, Bdullah Matar | | | 1897 | KSA | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Alhasan, Abutalib Z | | | 1797 | KSA | 0.00 | 1 | -0.73 | 20 | -14.60 | | | Al Zamel, Khaled | | | 1911 | KSA | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Al Onizan, Fahad M | | | 1915 | KSA | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Al Mutairi, Abdullah F | | | 1907 | KSA | 0.00 | 1 | -0.60 | 20 | -12.00 | | | Bukannan, Ahmed A | | | 1966 | KSA | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Alsulaymi, Abdullah M | | | 1720 | KSA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Al Thebaiti, Ahmed M | | | 1940 | KSA | 0.00 | 1 | -0.55 | 20 | -11.00 | |
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 |
| 1777 | 1976 | 6.00 | 9 | -0.52 | 20 | -10.40 | |
| | Kunitsyn, Dmitry | | | 1576 * | RUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ghaith, Almomani | | | 1638 | JOR | 0.00 | 1 | -0.88 | 20 | -17.60 | | | Khalid, Habib | | | 1576 * | PAK | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Alothman, Salem | | | 1715 | KUW | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Achuthan, Dylan | | | 1797 | NED | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Nadeem, Aziz | | | 1789 | PAK | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Felix, Winnie | | | 1764 | PHI | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Ammar, Sedrani | f | | 2109 | UAE | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Soham, Datar | | | 2030 | IND | 0.00 | 1 | -0.42 | 20 | -8.40 | | | * 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) | | | | Riyadh Closed 2018 | Alriyadh | KSA | 2018-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1827 | 1976 | 2.50 | 9 | -3.56 | 20 | -71.20 | |
| | Alkathiri, Hamad | | | 1576 * | KSA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Al Mutairi, Hassan S | | | 1830 | KSA | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Al Ghamdi, Ahmed M | c | | 2155 | KSA | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Bukannan, Ahmed A | | | 1966 | KSA | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Al Suliman, Abdul Aziz | | | 1576 * | KSA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Alsulaymi, Abdullah M | | | 1720 | KSA | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Agami, Ahmed | | | 1919 | EGY | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Belali , Ahmad M | | | 1862 | KSA | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Alanazy, Mohammed | | | 1836 | KSA | 0.00 | 1 | -0.69 | 20 | -13.80 | | | * 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) | | |
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