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Individual Calculations April 2009 |
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| Nikbin, Saeed Total change: -29.70 | |   |
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| 13th Iranian First League ( men ) | Ahvaz | IRI | 2008-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2020 | 2096 | 2.00 | 4 | -0.41 | 15 | -6.15 | |
|  Ghoorchibeygi, Alireza | | | 1937 | IRI | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Sakhayi, Mostafa | | | 2043 | IRI | 0.00 | 1 | -0.57 | 15 | -8.55 | |  Hosseinipour, Mehdi | | | 2062 | IRI | 0.00 | 1 | -0.55 | 15 | -8.25 | | | Mohammadisafyarkhan, Amir | | | 2036 | IRI | 1.00 | 1 | 0.42 | 15 | 6.30 | |
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) | | | | 7th Int. Caspian Cup (B,Class-men) | Rasht | IRI | 2009-02-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1885 | 2111 | 1.50 | 4 | -1.57 | 15 | -23.55 | |
| | Marzoughi, Mohammadsadegh | | | 1788 | IRI | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Torkamannejad, Javad | | | 1990 | IRI | 0.00 | 1 | -0.66 | 15 | -9.90 | | | Nouroozpourzare, Reza | | | 2001 | IRI | 0.00 | 1 | -0.65 | 15 | -9.75 | | | Sabahifard, Arash | | | 1761 | IRI | 0.50 | 1 | -0.39 | 15 | -5.85 | |
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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