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Individual Calculations September 2010 |
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| Aynechian, Alireza Total change: -22.25 | |   |
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| Tehran Chess Championship 1389 | Tehran | IRI | 2010-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2018 | 1864 | 0.50 | 4 | -0.74 | 25 | -18.50 | |
|  Dalir, Alireza | | | 2102 | IRI | 0.00 | 1 | -0.20 | 25 | -5.00 | |  Raji Ghasemi, Hamid Reza | | | 2048 | IRI | 0.00 | 1 | -0.26 | 25 | -6.50 | | | Kargosha, Bahman | | | 2136 | IRI | 0.00 | 1 | -0.17 | 25 | -4.25 | | | Zadsham, Shayan | | | 1786 | IRI | 0.50 | 1 | -0.11 | 25 | -2.75 | |
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) | | | NOTE: K factor changed | | 9th Iranian Chess Festival [Men] 1389 | Mashhad | IRI | 2010-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2198 | 1864 | 0.00 | 2 | -0.25 | 15 | -3.75 | |
| | Hosseinzadeh, Nima | | | 2246 | IRI | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Naderi, Abdollah | | | 2149 | IRI | 0.00 | 1 | -0.16 | 15 | -2.40 | |
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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