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Individual Calculations September 2019 |
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| Derakhshan, Alireza Total change: -1.20 | |   |
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| Chess Tehran Championship 2019 - U16B | Tehran | IRI | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1446 | 1600 | 4.00 | 6 | -0.03 | 40 | -1.20 | |
|  Alibagheri, Mahan | | | 1213 | IRI | 1.00 | 1 | 0.09 | 40 | 3.60 | |  Karami, Aria | | | 1200 * | IRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Salman, Yasin | | | 1571 | IRI | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Makani, M.amin | | | 1402 | IRI | 0.00 | 1 | -0.76 | 40 | -30.40 | | | Safaei Fakhr, Alireza | | | 1450 | IRI | 0.00 | 1 | -0.70 | 40 | -28.00 | | | Mohammadi, Mohamad Amin | | | 1838 | IRI | 1.00 | 1 | 0.80 | 40 | 32.00 | | | * 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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