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Individual Calculations May 2019 |
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| Derakhshani, Diyana Total change: -18.80 | |   |
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| The 4th Jouybar Chess Tournament - Nowrooz Cup 1398 | Mazandaran | IRI | 2019-03-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1207 | 1026 | 1.00 | 4 | -0.14 | 40 | -5.60 | |
|  Kazemi, Mohammad Ali | | | 1374 | IRI | 0.00 | 1 | -0.11 | 40 | -4.40 | |  Andayeshgar, Mohammad | | | 1281 | IRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Barmar, Melisa | | | 1102 | IRI | 1.00 | 1 | 0.60 | 40 | 24.00 | | | Rostami, Setayesh | | | 1069 | IRI | 0.00 | 1 | -0.44 | 40 | -17.60 | |
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) | | | | 1st Ghaem Cup International Chess Festival 2019 (U-14) | Mazandaran | IRI | 2019-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1321 | 1026 | 0.00 | 2 | -0.33 | 40 | -13.20 | |
| | Salimi, Mardin | | | 1426 * | IRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Hashimov, Ilgar | | | 1216 | AZE | 0.00 | 1 | -0.25 | 40 | -10.00 | | | * 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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