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Individual Calculations May 2011 |
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| Marcos, Marvin Total change: -48.50 | |   |
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| Abu Dhabi Chess Festival 2010 (Open) | Abu Dhabi | UAE | 2010-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2046 | 2134 | 2.00 | 5 | -1.07 | 25 | -26.75 | |
|  Ahmed, Fayez | | | 1927 | UAE | 1.00 | 1 | 0.23 | 25 | 5.75 | |  Adu, Oladapo | m | | 2186 | NGR | 0.50 | 1 | 0.07 | 25 | 1.75 | | | Johny, P I | | | 2048 | IND | 0.50 | 1 | -0.12 | 25 | -3.00 | | | Ayyad, Husain | f | | 2164 | BRN | 0.00 | 1 | -0.46 | 25 | -11.50 | | | Afshar, Niusha | | | 1904 | IRI | 0.00 | 1 | -0.79 | 25 | -19.75 | |
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) | | | NOTE: K factor changed | | 4th Abu Dhabi Int. Chess Tournament | Abu Dhabi Chess Club | UAE | 2010-10-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1984 | 2134 | 2.00 | 5 | -1.45 | 15 | -21.75 | |
| | Helawi, Majed | | | 1941 | SYR | 0.00 | 1 | -0.75 | 15 | -11.25 | | | Issa, Mohammed | | | 1845 | UAE | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Al-Sharif, Hany M | | | 2078 | SYR | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Ali, Abdulkhaleq | | | 2076 | UAE | 0.00 | 1 | -0.58 | 15 | -8.70 | | | De Guzman, Carlos | | | 1981 | PHI | 0.50 | 1 | -0.20 | 15 | -3.00 | |
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) | | |
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