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Individual Calculations September 2012 |
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| Derakhshani, Borna Total change: -7.20 | |   |
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| Ramezan open chess tournament Federation | Tehran | IRI | 2012-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2047 | 1848 | 1.50 | 4 | 0.51 | 15 | 7.65 | |
|  Razipour, Sohrab | | | 2000 | IRI | 1.00 | 1 | 0.70 | 15 | 10.50 | |  Doostkam, P | | | 2151 | IRI | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Javidfard, Amirsalar | | | 2033 | IRI | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Abed, Meisam | | | 2002 | IRI | 0.50 | 1 | 0.21 | 15 | 3.15 | |
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) | | | | Qods open chess tournament 2012 | Tehran | IRI | 2012-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1622 | 1865 | 3.00 | 5 | -0.99 | 15 | -14.85 | |
| | Ghazizade, Neysar | | | 1610 | IRI | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Nosrati, Mehrdad | | | 1562 | IRI | 0.00 | 1 | -0.86 | 15 | -12.90 | | | Mirzaei, Negar | | | 1584 | IRI | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Ghazizadeh, Asana | | | 1608 | IRI | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Jahankhani, Hojatollah | | | 1746 | IRI | 0.00 | 1 | -0.66 | 15 | -9.90 | |
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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