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Individual Calculations October 2008 |
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| Koohestani, Sh Total change: 5.40 | |   |
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| 3rd Iranian Chess Festival Zone 1 - 2008 | Tehran | IRI | 2008-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1985 | 2141 | 2.00 | 3 | -0.09 | 15 | -1.35 | |
|  Molaei, Mohammad | | | 1862 | IRI | 0.50 | 1 | -0.34 | 15 | -5.10 | |  Mortazian, Saeed | | | 2005 | IRI | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Dalir, Alireza | | | 2089 | IRI | 0.50 | 1 | -0.07 | 15 | -1.05 | |
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) | | | | 18th Tehran Chess Championship (Men) 2008 | Tehran | IRI | 2008-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2274 | 2141 | 3.50 | 6 | 1.55 | 15 | 23.25 | |
| | Mohandesi, Shahin | m | | 2329 | IRI | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Soozankar, A.m. | f | | 2225 | IRI | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Noroozi, Omid, (tc) | | | 2290 | IRI | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Nasri, Amin | | | 2356 | IRI | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Abedi, Ali, (tc) | | | 2241 | IRI | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Abbasi, Rasool | | | 2201 | IRI | 0.50 | 1 | 0.08 | 15 | 1.20 | |
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 Iranian Chess Sport Olympiad (Boys Under 16) 2008 | Tabriz | IRI | 2008-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1987 | 2141 | 1.00 | 3 | -1.10 | 15 | -16.50 | |
| | Faghirnavaz, Ali | | | 2083 | IRI | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Idani, Pouya | | | 1937 | IRI | 0.00 | 1 | -0.76 | 15 | -11.40 | | | Javanbakht, Nima | | | 1942 | IRI | 1.00 | 1 | 0.24 | 15 | 3.60 | |
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) | | |
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