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Individual Calculations July 2018 |
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| Alfaitori, Abdallah Total change: 40.20 | |   |
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| Libyan Open Final U20 | Misrata | LBA | 2018-05-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1594 | 1803 | 2.50 | 3 | 0.35 | 20 | 7.00 | |
|  Naser Eldean, Ahmed | | | 1911 | LBA | 0.50 | 1 | 0.15 | 20 | 3.00 | |  Alakrut, Mokhtar | | | 1467 | LBA | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Shalghum, Mustafa | | | 1403 * | LBA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | LBA Final U20 | Misrata | LBA | 2018-05-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1922 | 1803 | 1.50 | 2 | 0.83 | 40 | 33.20 | |
| | Naser Eldean, Ahmed | | | 1911 | LBA | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Engaitah, Abdalsalam A. | | | 1933 | LBA | 0.50 | 1 | 0.18 | 40 | 7.20 | |
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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