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Individual Calculations January 2010 |
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| Al-Tarbosh, Ward Total change: 12.75 | |   |
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| Arab Cites 2009 | Cairo | EGY | 2009-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1991 | 2157 | 1.00 | 2 | -0.42 | 15 | -6.30 | |
|  Abdulkarim, Ali | | | 1888 | UAE | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Ameir, Moheb | | | 2093 | EGY | 0.00 | 1 | -0.59 | 15 | -8.85 | |
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) | | | | World Youth Chess Championship-u14 | Antalya | TUR | 2009-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2166 | 2187 | 7.00 | 11 | 1.27 | 15 | 19.05 | |
| | Al Zarooni, Ahmed | | | 1798 | UAE | 1.00 | 1 | 0.09 | 15 | 1.35 | |  Ly, Daniel | | | 2024 | AUT | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Rindlisbacher, Lars | | | 2078 | SUI | 0.00 | 1 | -0.65 | 15 | -9.75 | | | Torres Rosas, Luis Carlos | c | | 2004 | MEX | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Berbatov, Kiprian | m | | 2463 | BUL | 1.00 | 1 | 0.83 | 15 | 12.45 | | | Terentjev, Vladislav | | | 2232 | RUS | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Rozovsky, Daniel | f | | 2058 | USA | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Pardo Simon, David | | | 2334 | ESP | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Bortnik, Alexandr | | | 2347 | UKR | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Bok, Benjamin | f | | 2337 | NED | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Ynojosa, Felix Jose | | | 2156 | ENG | 0.50 | 1 | -0.04 | 15 | -0.60 | |
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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