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Individual Calculations January 2020 |
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| Babaei, Sina Total change: 26.80 | |   |
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| Tehran U 18 League 2019 Round 4-5 | Tehran | IRI | 2019-11-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1064 | 1260 | 2.00 | 2 | 0.49 | 40 | 19.60 | |
|  Babaei Moghaddam, Amir Mohammad | | | 1067 | IRI | 1.00 | 1 | 0.25 | 40 | 10.00 | |  Moradzadeh, Kian | | | 1061 | IRI | 1.00 | 1 | 0.24 | 40 | 9.60 | |
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) | | | | Tehran U 18 League 2019 Round 6-9 | Tehran | IRI | 2019-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1619 | 1260 | 0.50 | 3 | 0.18 | 40 | 7.20 | |
| | Safaei Fakhr, Alireza | | | 1559 | IRI | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Vasheghani, Hessam | | | 1638 | IRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Alizadeh, Amirmohammad | | | 1660 * | IRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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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