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Individual Calculations November 2017 |
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| Masrahi, Abdulrahman A Total change: 33.00 | |   |
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| Dammam National Classic Chess tournament | Dammam | KSA | 2017-10-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1771 | 1929 | 4.50 | 6 | 0.28 | 20 | 5.60 | |
|  Al Dubaisi, Hassan S | | | 1658 | KSA | 1.00 | 1 | 0.17 | 20 | 3.40 | |  Al Abdali, Zeyad Saleh | | | 1809 | KSA | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Bukannan, Ahmed A | | | 1910 | KSA | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Al Hamad, Talal H | | | 1701 | KSA | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Alem, Ali Hussien | | | 1733 | KSA | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Al Kathami , Sultan S | | | 1813 | KSA | 1.00 | 1 | 0.34 | 20 | 6.80 | |
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) | | | | Jeddah National Chess Classic Tournament 2017 | Jeddah | KSA | 2017-10-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1833 | 1929 | 4.50 | 5 | 1.37 | 20 | 27.40 | |
| | Sulimani, Yaser | | | 1729 | KSA | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Al Helal, Fahad | | | 1885 | KSA | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Khayat, Abdullah F | | | 1736 | KSA | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Al Omary, Ahmed | | | 1866 | KSA | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Al Habeeb, Emad | | | 1949 | KSA | 1.00 | 1 | 0.53 | 20 | 10.60 | |
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) | | |
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