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Rapid:
Individual Calculations September 2013 |
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| Boulkrouche, Yacine Total change: 29.00 | |   |
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| Open international Mokhtar chergui 2013 | Algiers | ALG | 2013-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2280 | 2039 | 1.50 | 3 | 0.85 | 20 | 17.00 | |
|  Oussedik, Mahfoud | f | | 2234 | ALG | 1.00 | 1 | 0.75 | 20 | 15.00 | |  Arab, Adlane | m | | 2436 | ALG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Talbi, Chafik | | | 2171 | ALG | 0.50 | 1 | 0.18 | 20 | 3.60 | |
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) | | | | Skikda Arab Open 2013 | Skikda | ALG | 2013-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2225 | 2039 | 2.00 | 5 | 0.60 | 20 | 12.00 | |
| | Saheb, Kamel | | | 2087 | ALG | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Sebih, Kamel | m | | 2241 | ALG | 1.00 | 1 | 0.76 | 20 | 15.20 | | | Haddouche, Mohamed | m | | 2439 * | ALG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Amdouni, Zoubaier | f | | 2282 | TUN | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Saifi, Walid | | | 2078 | ALG | 0.00 | 1 | -0.45 | 20 | -9.00 | | | * 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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