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Individual Calculations February 2013 |
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| Farokhfar, S Ahmad Total change: -4.50 | |   |
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| Tehran League 2012 Round 1-4 | Tehran | IRI | 2012-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2050 | 1862 | 0.50 | 2 | -0.04 | 30 | -1.20 | |
|  Mahrinpour, Farbod | | | 1940 | IRI | 0.50 | 1 | 0.11 | 30 | 3.30 | |  Doostkam, P | | | 2160 | IRI | 0.00 | 1 | -0.15 | 30 | -4.50 | |
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) | | | | Tehran League 2012 Round 5-9 | Tehran | IRI | 2012-10-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1974 | 1862 | 2.00 | 3 | 0.94 | 30 | 28.20 | |
| | Farjad, Farid | | | 1850 | IRI | 0.00 | 1 | -0.52 | 30 | -15.60 | | | Bagheri, Behrooz | | | 2043 | IRI | 1.00 | 1 | 0.74 | 30 | 22.20 | | | Ahmadzadeh Razavi, Seyed Shaahin | | | 2029 | IRI | 1.00 | 1 | 0.72 | 30 | 21.60 | |
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) | | | | Second Tehran open chess tournament 2012 | Terhan | IRI | 2012-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1697 | 1862 | 2.50 | 5 | -1.05 | 30 | -31.50 | |
| | Eisapour, Ali | | | 1602 | IRI | 0.50 | 1 | -0.32 | 30 | -9.60 | | | Ahmadi Hesardareh, Ali | | | 1656 | IRI | 1.00 | 1 | 0.24 | 30 | 7.20 | | | Ghaffarian, Amir Hossein | | | 1778 | IRI | 0.00 | 1 | -0.62 | 30 | -18.60 | | | Dadkhahi, Mehrshid | | | 1637 | IRI | 1.00 | 1 | 0.22 | 30 | 6.60 | | | Rezvanian, Saeed | | | 1813 | IRI | 0.00 | 1 | -0.57 | 30 | -17.10 | |
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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