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Individual Calculations December 2018 |
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| Rostami, Roohollah Total change: 6.60 | |   |
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| 24th Hamedan Chess League 1397 Round 1-6 | Hamedan | IRI | 2018-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1749 | 1878 | 3.00 | 3 | 1.09 | 20 | 21.80 | |
|  Zarei, Reza | | | 1557 | IRI | 1.00 | 1 | 0.13 | 20 | 2.60 | |  Delavari, Amirali | | | 2213 | IRI | 1.00 | 1 | 0.88 | 20 | 17.60 | | | Farokhseresht, Hasan | | | 1478 * | IRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Iran Semifinal Men Chess Championship 1397 | Hamedan | IRI | 2018-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1963 | 1878 | 2.00 | 7 | -0.76 | 20 | -15.20 | |
| | Sedaghati, Mehrdad | f | | 2224 | IRI | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Atakhan, Abtin | | | 2119 | IRI | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Nikookar, Mahdi | | | 2004 | IRI | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Ghollasi Mood, Mojtaba | | | 1921 | IRI | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Ghasemi Haji, Ramtin | | | 1961 | IRI | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Nozari, Mohammad | | | 1612 | IRI | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Safaeenezhad, Reza | | | 1899 | IRI | 0.50 | 1 | 0.03 | 20 | 0.60 | |
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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