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Individual Calculations September 2019 |
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| Mandkari, Mohammadtaha Total change: 92.00 | |   |
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| Alborz Chess Championship 1398 (U10-Boys) | Alborz | IRI | 2019-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1260 | 1068 | 1.50 | 3 | 0.66 | 40 | 26.40 | |
|  Mohammadi, Amir Hossein | | | 1468 * | IRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Beheshti, Ali | | | 1187 | IRI | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Haji Abadi, Amirhossein | | | 1125 | IRI | 1.00 | 1 | 0.58 | 40 | 23.20 | | | * 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) | | | | Chess Tehran Championship 2019 - U10B | Tehran | IRI | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1253 | 1068 | 3.00 | 5 | 1.64 | 40 | 65.60 | |
| | Keshani, Kian | | | 1437 | IRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Tavakolian, Samiar | | | 1157 | IRI | 1.00 | 1 | 0.62 | 40 | 24.80 | | | Razm Ahang, Karen | | | 1242 | IRI | 1.00 | 1 | 0.73 | 40 | 29.20 | | | Safdarian, Saman | | | 1260 | IRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Bakhtiari, Erfan | | | 1169 | IRI | 1.00 | 1 | 0.64 | 40 | 25.60 | |
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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