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Rapid:
Individual Calculations August 2018 |
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| Al-Ghasra, Osama Total change: -33.40 | |   |
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| Bahrain GP6 Rapid Chess 2018 | Muharraq | BRN | 2018-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1686 | 1718 | 2.50 | 6 | -0.64 | 20 | -12.80 | |
|  Al-Ghasra, Ali | c | | 2002 | BRN | 0.00 | 1 | -0.16 | 20 | -3.20 | |  Abbas, Ali | | | 1901 | BRN | 1.00 | 1 | 0.74 | 20 | 14.80 | | | Al-Madani, Ebrahim | | | 1318 * | BRN | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Abdulla, Hameed | | | 1412 | BRN | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Darwish, Hashim | | | 1750 | BRN | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Bu Khammas, Abdulla | | | 1730 | BRN | 0.00 | 1 | -0.48 | 20 | -9.60 | | | * 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) | | | | Bahrain GP7 Rapid Chess 2018 | Muharraq | BRN | 2018-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1627 | 1718 | 2.50 | 6 | -1.03 | 20 | -20.60 | |
| | Bukhalaf, Khalil | | | 1883 | BRN | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Ayyad, Husain | f | | 2118 * | BRN | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Al-Madani, Ebrahim | | | 1318 * | BRN | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Helal, Qasim | | | 1318 * | BRN | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Darwish, Hashim | | | 1759 | BRN | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Mosa, Hamad | | | 1363 | BRN | 1.00 | 1 | 0.11 | 20 | 2.20 | | | * 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) | | |
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