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Individual Calculations October 2008 |
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| Tavana, Mobin Total change: 0.25 | |   |
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| 2nd Iranian Chess Sport Olympiad (Boys Under 20) | Bojnord | IRI | 2008-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2059 | 1976 | 1.50 | 4 | -0.08 | 25 | -2.00 | |
|  Naderi, Abdolla | | | 2010 | IRI | 1.00 | 1 | 0.55 | 25 | 13.75 | |  Sadeh, Shahin | | | 2247 | IRI | 0.00 | 1 | -0.17 | 25 | -4.25 | | | Mozafar, Milad | | | 1923 | IRI | 0.50 | 1 | -0.07 | 25 | -1.75 | | | Hossein Zadeh, Nima | | | 2054 | IRI | 0.00 | 1 | -0.39 | 25 | -9.75 | |
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) | | | | 3rd Iranian Chess Championship of Zone 2 -2008 | Gorgan | IRI | 2008-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2212 | 1976 | 0.50 | 2 | 0.09 | 25 | 2.25 | |
| | Vaghar, Mohsen | | | 2223 | IRI | 0.50 | 1 | 0.31 | 25 | 7.75 | | | Ezzati, Fereiydoon | | | 2200 | IRI | 0.00 | 1 | -0.22 | 25 | -5.50 | |
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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