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Individual Calculations September 2018 |
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| Beytmashall, Abdolghader Total change: -30.80 | |   |
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| Iran Boys Student Middle school Chess Championship 1397 | Zanjan | IRI | 2018-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1640 | 1590 | 1.50 | 5 | -0.77 | 40 | -30.80 | |
|  Bozorgi, Souren | | | 1968 | IRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Rostami, Hossein | | | 1662 | IRI | 1.00 | 1 | 0.60 | 40 | 24.00 | |  Mardani, Alireza | | | 1522 | IRI | 0.00 | 1 | -0.59 | 40 | -23.60 | | | Mohammadi, Mohamad Amin | | | 1535 | IRI | 0.50 | 1 | -0.08 | 40 | -3.20 | | | Alizadeh, Mohammad Mahdi | | | 1513 | IRI | 0.00 | 1 | -0.61 | 40 | -24.40 | |
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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