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Individual Calculations July 2018 |
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| Bukannan, Ahmed A Total change: 47.60 | |   |
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| Al Riyadh National Chess Classic Tournament | Al Riyadh | KSA | 2018-05-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1854 | 1929 | 3.50 | 5 | 0.61 | 40 | 24.40 | |
|  Al Yosif, Mishari | | | 1529 * | KSA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Al Zamel, Khaled | | | 1942 | KSA | 0.50 | 1 | 0.02 | 40 | 0.80 | |  Masrahi, Abdulrahman A | c | | 1929 | KSA | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Al Ghamdi, Ahmed M | c | | 2159 | KSA | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Alsulaymi, Abdullah M | | | 1712 | KSA | 1.00 | 1 | 0.22 | 40 | 8.80 | | | * 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) | | | | Dammam National Chess Classic Tournament | Dammam | KSA | 2018-05-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1769 | 1929 | 5.50 | 7 | 0.58 | 40 | 23.20 | |
| | Al Dubaisi, Hassan S | | | 1614 | KSA | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Al Dosari, Naif | | | 1767 | KSA | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Masrahi, Abdulrahman A | c | | 1929 | KSA | 0.00 | 1 | -0.50 | 40 | -20.00 | | | Al Kathami , Sultan S | | | 1772 | KSA | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Alsulaymi, Abdullah M | | | 1712 | KSA | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Al Abdali, Zeyad Saleh | | | 1820 | KSA | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Al Harthy, Faisel | | | 1770 | KSA | 0.50 | 1 | -0.21 | 40 | -8.40 | |
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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