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Individual Calculations September 2009 |
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| Issa, Mohammed Total change: -108.15 | |   |
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| Abu Dhabi Open 2009 | Abu Dhabi | UAE | 2009-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2029 | 1977 | 0.00 | 4 | -1.81 | 15 | -27.15 | |
|  Raetsky, Alexander | g | | 2327 | RUS | 0.00 | 1 | -0.11 | 15 | -1.65 | |  Sajeed, T A | | | 1942 | IND | 0.00 | 1 | -0.55 | 15 | -8.25 | | | Marbella, Antonio | | | 1993 | PHI | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Zayed, Ali Al-Hamed | | | 1855 | UAE | 0.00 | 1 | -0.67 | 15 | -10.05 | |
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) | | | | Abu Dhabi Intl. tournament | Abu Dhabi | UAE | 2009-06-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2077 | 1977 | 0.50 | 5 | -1.35 | 15 | -20.25 | |
| | Faisal, Abdulla | | | 2177 | UAE | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Ali, Mahmoud | | | 2174 | UAE | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Alsharif, M Hani | | | 2109 | SYR | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Al-Marzoqi, Abdulla M | | | 1981 | UAE | 0.00 | 1 | -0.49 | 15 | -7.35 | | | Mansour, Abbas | | | 1943 | UAE | 0.50 | 1 | -0.05 | 15 | -0.75 | |
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) | | | | 18th Open Inter. Tourn. "KAVALA 2009" GROUP B | Kavala | GRE | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1601 | 1987 | 0.50 | 5 | -4.05 | 15 | -60.75 | |
| | Mitridis, Dimitris | | | 1600 | GRE | 0.50 | 1 | -0.41 | 15 | -6.15 | | | Kafetzi, Angeliki | | | 1644 | GRE | 0.00 | 1 | -0.88 | 15 | -13.20 | | | Papakonstantinou, Dimitrios | | | 1587 * | GRE | 0.00 | 1 | -0.92 | 15 | -13.80 | | | Damianidis, Konstantinos-Harala | | | 1587 * | GRE | 0.00 | 1 | -0.92 | 15 | -13.80 | | | Karagiannis, Thomas Aristotelis | | | 1587 * | GRE | 0.00 | 1 | -0.92 | 15 | -13.80 | | | * 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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