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Individual Calculations April 2013 |
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| Ali, Ahmed Ali Total change: -31.20 | |   |
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| Iraqi Chess Olympiad Championship 2013 | Baghdad | IRQ | 2013-02-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1994 | 1900 | 0.50 | 4 | -1.04 | 30 | -31.20 | |
|  Hayder, Farhan Al- Hasnawi | | | 1963 | IRQ | 0.00 | 1 | -0.41 | 30 | -12.30 | |  Sarmad, Akram Rauof | | | 2176 | IRQ | 0.50 | 1 | 0.33 | 30 | 9.90 | | | Abdulkhaliq, Ahmed | | | 1745 | IRQ | 0.00 | 1 | -0.71 | 30 | -21.30 | | | Qambar, Salah Noori Qambar | | | 2091 | IRQ | 0.00 | 1 | -0.25 | 30 | -7.50 | |
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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