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Individual Calculations December 2012 |
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| Vahdatian, Davood Total change: -2.85 | |   |
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| lian open chess tournament Boushehr 2012 | Boushher | IRI | 2012-10-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1918 | 1848 | 3.00 | 5 | 0.97 | 15 | 14.55 | |
|  Salimifard, Behtash | | | 2025 | IRI | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Ahouran, Mehrdad | | | 2035 | IRI | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Najafi Khaniabadi, Kiarash | | | 1660 | IRI | 1.00 | 1 | 0.26 | 15 | 3.90 | |  Bakhtiari Nowroozi, Babak | | | 1940 | IRI | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Sharifpanahi, Farhad | | | 1929 | IRI | 1.00 | 1 | 0.61 | 15 | 9.15 | |
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) | | | | Close rated tournament Bousher 2012 | Boushher | IRI | 2012-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1674 | 1848 | 8.00 | 13 | -1.16 | 15 | -17.40 | |
| | Arefazad, Gholamhossein | | | 1828 | IRI | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Rokni, Parsa | | | 1681 | IRI | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Hashemi, Farzad | | | 1723 | IRI | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Rokni, Seyyed Hirad | | | 1448 * | IRI | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Jazaie, Mohammad Esmaeil | | | 1803 | IRI | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Nikfarjam, Amir Hossein | | | 1548 | IRI | 0.50 | 1 | -0.35 | 15 | -5.25 | | | Hashemi, Farhang | | | 1681 | IRI | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Armand, Saman | | | 1845 | IRI | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Orojeni Lak, Mohammad | | | 1448 * | IRI | 0.50 | 1 | -0.42 | 15 | -6.30 | | | Sheykhiani, Mashallah | | | 1600 | IRI | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Khoshghalb, Mozhgan | | | 1600 | IRI | 0.50 | 1 | -0.31 | 15 | -4.65 | | | Zarezadeh, Mohammad Reza | | | 1579 | IRI | 0.50 | 1 | -0.33 | 15 | -4.95 | | | Zanganeh, Babak | | | 1978 | IRI | 0.00 | 1 | -0.32 | 15 | -4.80 | | | * 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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