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Individual Calculations September 2018 |
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| Khosh Ravesh, Alireza Total change: 29.60 | |   |
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| Iran Boys Student elementary school Chess Championship 1397 | Ramsar | IRI | 2018-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1561 | 1685 | 4.50 | 6 | 0.74 | 40 | 29.60 | |
|  Riahi, Arvin | | | 1696 | IRI | 1.00 | 1 | 0.52 | 40 | 20.80 | | | Nejatpour, Soshiyant | | | 1793 | IRI | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Hasanzadeh, Mehrshad | | | 1285 * | IRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Sanayizadeh, Arsalan | | | 1285 * | IRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Hojjatinejad, Ilia | | | 1619 | IRI | 1.00 | 1 | 0.41 | 40 | 16.40 | | | Mokhtari Moghadam, Taha | | | 1687 | IRI | 0.00 | 1 | -0.50 | 40 | -20.00 | | | * 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) | | |
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