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Individual Calculations February 2019 |
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| Sedaghati, Mehrdad Total change: -14.80 | |   |
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| 18th Qazvin Chess League 1397 Round 1-6 | Qazvin | IRI | 2019-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1971 | 2234 | 1.00 | 1 | 0.18 | 20 | 3.60 | |
|  Daliri, Pedram | | | 1971 | IRI | 1.00 | 1 | 0.18 | 20 | 3.60 | |
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 Standard Cup 26 Dey-1 Bahman 1397 | Tehran | IRI | 2019-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1885 | 2234 | 3.50 | 5 | -0.92 | 20 | -18.40 | |
| | Farahsa, Khosro | | | 1834 * | IRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Rezaei, Hamidreza | | | 1857 | IRI | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Alizadeh, Amirmohammad | | | 1834 * | IRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Doroodian, Mahyar | | | 1979 | IRI | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Talebi, Masoud | | | 1919 | IRI | 0.50 | 1 | -0.36 | 20 | -7.20 | | | * 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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