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Individual Calculations September 2009 |
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| Sabahifard, Arash Total change: 15.25 | |   |
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| Iranian Men Chess Festival (Zone 1) | Tehran | IRI | 2009-07-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2028 | 1745 | 0.00 | 3 | -0.55 | 25 | -13.75 | |
|  Khademi, Mohammad Miran | | | 2145 * | IRI | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Pajoum Tajani, Farbod | | | 1846 | IRI | 0.00 | 1 | -0.36 | 25 | -9.00 | |  Abedini, Morteza | | | 2092 | IRI | 0.00 | 1 | -0.11 | 25 | -2.75 | | | * 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) | | | | 8th International Ebne Sina Open Chess Tournament | Hamedan | IRI | 2009-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2138 | 1745 | 1.50 | 4 | 1.16 | 25 | 29.00 | |
| | Beheshtayeen, Ali | | | 2145 * | IRI | 0.50 | 1 | 0.42 | 25 | 10.50 | | | Mohandesi, Shahin | m | | 2145 * | IRI | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Samsam, Farhad | | | 2118 | IRI | 1.00 | 1 | 0.90 | 25 | 22.50 | | | Mahmoody, M.sadegh | | | 2145 * | IRI | 0.00 | 1 | -0.08 | 25 | -2.00 | | | * 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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