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Individual Calculations October 2008 |
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| Akbari Zahmati, Amir Hossein Total change: -60.50 | |   |
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| 18th Tehran Chess Championship (Men) 2008 | Tehran | IRI | 2008-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1970 | 2161 | 2.50 | 5 | -1.25 | 25 | -31.25 | |
|  Roozbayan, Reza | | | 1972 | IRI | 1.00 | 1 | 0.25 | 25 | 6.25 | |  Sadeghpour, Mohammad | | | 1950 | IRI | 0.00 | 1 | -0.77 | 25 | -19.25 | | | Dehghan, Mohammad Ali | | | 1990 | IRI | 0.50 | 1 | -0.23 | 25 | -5.75 | | | Abbasi, Meisam | | | 2014 | IRI | 0.00 | 1 | -0.70 | 25 | -17.50 | | | Yarlou, Amirhomayoun | | | 1923 | IRI | 1.00 | 1 | 0.20 | 25 | 5.00 | |
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) | | | | 2nd International Orumia Open | Orumiya | IRI | 2008-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2018 | 2161 | 1.50 | 4 | -1.17 | 25 | -29.25 | |
| | Abbasov, Farid | g | | 2511 | AZE | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Kiani, Kiarash | | | 1811 | IRI | 0.50 | 1 | -0.39 | 25 | -9.75 | | | Ghoch Khani, Hossein | | | 1811 | IRI | 1.00 | 1 | 0.11 | 25 | 2.75 | | | Idani, Pouya | | | 1937 | IRI | 0.00 | 1 | -0.78 | 25 | -19.50 | |
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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