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Individual Calculations August 2015 |
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| Ali Abbas, Abdulzahra Total change: 72.80 | |   |
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| IRAQI Youth U20 Championships 2015 | Baghdad | IRQ | 2015-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1615 | 1405 | 2.50 | 6 | 1.06 | 40 | 42.40 | |
|  Ahmed, Haider Sadiq | | | 1662 | IRQ | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Thu Al Faqar, Ali Ahmed | | | 1734 | IRQ | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Hussein, Saeed Abbas | | | 1614 | IRQ | 1.00 | 1 | 0.77 | 40 | 30.80 | |  Khedir, Majed Khedhir | | | 1628 | IRQ | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Aseel, Dhafer Abdulameer | | | 1451 | IRQ | 0.50 | 1 | 0.06 | 40 | 2.40 | | | Dhaia, Abdulrazaq Chalob | | | 1598 | IRQ | 1.00 | 1 | 0.75 | 40 | 30.00 | |
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 for youth under(20) 2015 | Baghdad | IRQ | 2015-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1578 | 1405 | 2.00 | 4 | 0.76 | 40 | 30.40 | |
| | Jaafer, Hayder A. Jaafer | | | 1710 | IRQ | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Ruwaida, Saad Mohsin Al Naseri | | | 1429 | IRQ | 0.50 | 1 | 0.03 | 40 | 1.20 | | | Abbas, Hussein Kzar | c | | 1805 * | IRQ | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Ali Ahmed, Attiyah | | | 1369 | IRQ | 1.00 | 1 | 0.45 | 40 | 18.00 | | | * 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) | | |
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