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Rapid:
Individual Calculations May 2018 |
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| Attoui, Abderrezak Total change: 50.40 | |   |
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| Zonal "EST" du CNITC 2018 | Skikda | ALG | 2018-03-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1830 | 1814 | 6.00 | 9 | 1.67 | 20 | 33.40 | |
|  Hassad, Badri | | | 1435 | ALG | 1.00 | 1 | 0.09 | 20 | 1.80 | |  Serrai, Abderrezak | | | 1641 | ALG | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Kadi, Mouldi | | | 2150 | ALG | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Sayoud, Mohamed Rida | | | 1758 | ALG | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Saheb, Kamel | | | 1951 | ALG | 1.00 | 1 | 0.68 | 20 | 13.60 | | | Boukazata, Djamel | | | 1789 | ALG | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Semahi, Lazhar | | | 2088 | ALG | 0.50 | 1 | 0.33 | 20 | 6.60 | | | Aknouche, Ameur | | | 1991 | ALG | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Rabahi, Aziz | | | 1665 | ALG | 1.00 | 1 | 0.30 | 20 | 6.00 | |
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) | | | | First Open Merouana 2018 | Merouana | ALG | 2018-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1753 | 1822 | 4.00 | 6 | 0.51 | 20 | 10.20 | |
| | Zelellou, Youghourta | | | 1464 | ALG | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Chouana, Kamel | | | 1619 | ALG | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Sbaihi, Fares | | | 2071 | ALG | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Kharif, Hafid | | | 1677 | ALG | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Serrai, Abderrezak | | | 1671 | ALG | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Saifi, Walid | | | 2015 | ALG | 0.00 | 1 | -0.25 | 20 | -5.00 | |
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) | | | | National Senior Championship 2018 S50 | Tiaret | ALG | 2018-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1871 | 1822 | 3.50 | 7 | 0.34 | 20 | 6.80 | |
| | Oucif, Abdelkader | | | 1533 | ALG | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Yahiaoui, Abdelkrim | | | 2106 | ALG | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Ferrah, Hacene | | | 1734 | ALG | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Mostaine Boucetta, Brahim | | | 1804 | ALG | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Nassr, Nacer | | | 2222 * | ALG | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Saheb, Kamel | | | 1927 | ALG | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Mahfouf, El Hachemi | | | 1774 | ALG | 0.00 | 1 | -0.57 | 20 | -11.40 | | | * 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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