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Individual Calculations July 2018 |
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| Masrahi, Abdulrahman A Total change: 32.60 | |   |
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| Jeddah National Chess Classic Tournament | Jeddah | KSA | 2018-05-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1782 | 1929 | 4.50 | 6 | 0.47 | 20 | 9.40 | |
|  Bukhari, Mohammed | | | 1655 | KSA | 1.00 | 1 | 0.17 | 20 | 3.40 | |  Masad, Abdulrahman M | | | 1529 * | KSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Al Helal, Fahad | | | 1876 | KSA | 0.00 | 1 | -0.57 | 20 | -11.40 | | | Al Habeeb, Emad | | | 1933 | KSA | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Al Turky, Fahad A | | | 1844 | KSA | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Al Thebaiti, Ahmed M | | | 1853 | KSA | 0.50 | 1 | -0.10 | 20 | -2.00 | | | * 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) | | | | Al Riyadh National Chess Classic Tournament | Al Riyadh | KSA | 2018-05-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1808 | 1929 | 3.50 | 6 | -0.33 | 20 | -6.60 | |
| | Al Shammari, Mousa G | | | 1529 * | KSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Al Fayez, Abdulmalek Saud | | | 1631 | KSA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Al Ghamdi, Ahmed M | c | | 2159 | KSA | 0.50 | 1 | 0.29 | 20 | 5.80 | | | Bukannan, Ahmed A | | | 1929 | KSA | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Al Mohaya, Sulaiman A | | | 1787 | KSA | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Al Mutairi, Hassan S | | | 1811 | KSA | 0.00 | 1 | -0.66 | 20 | -13.20 | | | * 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) | | | | Dammam National Chess Classic Tournament | Dammam | KSA | 2018-05-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1752 | 1929 | 6.50 | 7 | 1.49 | 20 | 29.80 | |
| | Al Hamad, Talal H | | | 1700 | KSA | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Al Harthy, Faisel | | | 1770 | KSA | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Bukannan, Ahmed A | | | 1929 | KSA | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Al Abdali, Zeyad Saleh | | | 1820 | KSA | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Al Shammari, Mousa G | | | 1529 * | KSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Al Dosari, Naif | | | 1767 | KSA | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Alem, Ali Hussain | | | 1750 | KSA | 1.00 | 1 | 0.27 | 20 | 5.40 | | | * 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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