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Individual Calculations December 2019 |
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| Bakhtiari, Erfan Total change: -24.80 | |   |
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| 4th Paytakht Cup International Chess Festival 2019 - Group B | Tehran | IRI | 2019-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1454 | 1129 | 0.00 | 4 | -0.53 | 40 | -21.20 | |
|  Ghavidel, Mehrdad | | | 1529 * | IRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Ghaemi, Narges | | | 1484 | IRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Kazemi, Rahmanberdi | | | 1409 | IRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Poormosavi, Seyed Kanan | | | 1395 | IRI | 0.00 | 1 | -0.18 | 40 | -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) | | | | Iranian Youth U-14 Team Championship Standard Cup 1398 | Karaj | IRI | 2019-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1516 | 1129 | 0.00 | 1 | -0.09 | 40 | -3.60 | |
| | Azizi, Ali | | | 1516 | IRI | 0.00 | 1 | -0.09 | 40 | -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) | | |
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