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Rapid:
Individual Calculations August 2017 |
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| Semahi, Lazhar Total change: 6.20 | |   |
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| 2017 Rapid African Individual Chess Championships "Open" | Oran | ALG | 2017-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2111 | 2117 | 5.00 | 9 | 0.31 | 20 | 6.20 | |
|  Hesham, Abdelrahman | g | | 2459 | EGY | 0.00 | 1 | -0.12 | 20 | -2.40 | |  Nassr, Ahmed | m | | 1969 | ALG | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Moueden, Mohamed Amine | | | 1927 | ALG | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Odendaal, Frederick | | | 2038 | RSA | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Ouaret, Abdelouhab | m | | 2084 | ALG | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Bengherabi, Khalil | f | | 2124 | ALG | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Salhi, Nouressadat | c | | 1932 | ALG | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Cawdery, Daniel | m | | 2397 | RSA | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Chipanga, Takaedza | | | 2068 | ZIM | 1.00 | 1 | 0.43 | 20 | 8.60 | |
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) | | |
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