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Individual Calculations December 2019 |
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| Ghaffarifar, Aylin Total change: -7.20 | |   |
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| 4th Paytakht Cup International Chess Festival 2019 - Group C | Tehran | IRI | 2019-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1198 | 1002 | 1.00 | 5 | -0.28 | 40 | -11.20 | |
|  Kargarzadeh, Mahour | | | 1354 | IRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Kianzad, Iliya | | | 1190 | IRI | 0.00 | 1 | -0.26 | 40 | -10.40 | |  Sharifimehr, Nazaninzahra | | | 1141 | IRI | 1.00 | 1 | 0.69 | 40 | 27.60 | | | Heydari, Tarlan | | | 1159 | IRI | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Mahdizadeh, Sadra | | | 1144 | IRI | 0.00 | 1 | -0.31 | 40 | -12.40 | |
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) | | | | Iranian Youth U-14 Team Championship Standard Cup 1398 | Karaj | IRI | 2019-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1233 | 1002 | 1.00 | 4 | 0.10 | 40 | 4.00 | |
| | Saeidi, Amir Hossein | | | 1221 | IRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Abdolalizadeh, Asra | | | 1123 | IRI | 1.00 | 1 | 0.66 | 40 | 26.40 | | | Shokrian, Abolfazl | | | 1402 * | IRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Memar Kermani, Barad | | | 1184 | IRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | * 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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