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Individual Calculations August 2017 |
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| Ali Ahmed, Attiyah Total change: -23.60 | |   |
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| IRAQI Youth U20 Championships(open) 2017 | Baghdad | IRQ | 2017-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1645 | 1435 | 1.00 | 4 | 0.01 | 40 | 0.40 | |
|  Mazn, Bayad Abdulqader | | | 1801 | IRQ | 0.00 | 1 | -0.10 | 40 | -4.00 | |  Ahmed, Farhad Ali | | | 1676 | IRQ | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Mustafa, Basim Abod | | | 1577 | IRQ | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Ameer, Dhafer Abdulameer | c | | 1526 | IRQ | 1.00 | 1 | 0.62 | 40 | 24.80 | |
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) | | | | Iraqi Clubs Championship under(20) 2017 | Baghdad | IRQ | 2017-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1693 | 1435 | 0.50 | 5 | -0.60 | 40 | -24.00 | |
| | Riham, Saad Mohsin | | | 1364 | IRQ | 0.00 | 1 | -0.60 | 40 | -24.00 | | | San, Taha Ali | | | 1816 | IRQ | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Hameed, Sarmed Abdalhamed | | | 1649 | IRQ | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Mazn, Bayad Abdulqader | | | 1801 | IRQ | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Rabeea, Sabah Nori | f | | 1835 * | IRQ | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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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