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Individual Calculations May 2015 |
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| Elsayed, Islam Total change: -78.60 | |   |
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| Pharous Chess Open | Alexandria | EGY | 2015-03-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1663 | 1982 | 0.50 | 2 | -1.22 | 20 | -24.40 | |
|  Mahmoud, Hassan | | | 1716 | EGY | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Salh, Sameh | | | 1609 | EGY | 0.00 | 1 | -0.90 | 20 | -18.00 | |
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) | | | | 2015 World Amateur Chess Championships - Open | Porto Carras - Halkidiki | GRE | 2015-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1755 | 1982 | 3.50 | 8 | -2.71 | 20 | -54.20 | |
| | Tolibayev, Timur | | | 1756 | KAZ | 0.00 | 1 | -0.79 | 20 | -15.80 | | | Alotaibi, Abdulsalam | | | 1582 * | KUW | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Alessandro, Sergio | | | 1709 | ITA | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Bessarab, Vsevolod | | | 1854 | RUS | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Alhasan, Hasan | | | 1703 | KUW | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Bourogaa, Younes | | | 1871 | FRA | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Zakharov, Denis | | | 1748 | RUS | 0.00 | 1 | -0.79 | 20 | -15.80 | | | Jassem, Philippe | | | 1819 | BEL | 0.00 | 1 | -0.72 | 20 | -14.40 | | | * 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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