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Individual Calculations August 2015 |
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| Ali Ahmed, Attiyah Total change: 5.60 | |   |
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| IRAQI Youth U20 Championships 2015 | Baghdad | IRQ | 2015-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1643 | 1369 | 1.50 | 5 | 0.63 | 40 | 25.20 | |
|  Khedir, Majed Khedhir | | | 1628 | IRQ | 1.00 | 1 | 0.82 | 40 | 32.80 | |  Ahmed, Qutayba Yunis | | | 1728 | IRQ | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Sali, Abbas Abdulzahra | | wf | 1692 | IRQ | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Hussein, Saeed Abbas | | | 1614 | IRQ | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Nabaa Sami, Abbas | | | 1553 | IRQ | 0.00 | 1 | -0.26 | 40 | -10.40 | |
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) | | | | Iraqi Clubs Championship for youth under(20) 2015 | Baghdad | IRQ | 2015-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1492 | 1369 | 1.00 | 4 | -0.49 | 40 | -19.60 | |
| | Jaafer, Hayder A. Jaafer | | | 1710 | IRQ | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Ali, Firas Qassim | | | 1082 | IRQ | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Abbas, Hussein Kzar | c | | 1769 * | IRQ | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Ali Abbas, Abdulzahra | | | 1405 | IRQ | 0.00 | 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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