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Individual Calculations August 2019 |
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| Yousefi, Ahmadreza Total change: 38.80 | |   |
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| zanjan Chess Championship 98 | Zanjan | IRI | 2019-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1417 | 1239 | 1.50 | 4 | 0.22 | 40 | 8.80 | |
|  Nozari, Mohammad | | | 1625 | IRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Heidari, Sanaz | | | 1203 | IRI | 1.00 | 1 | 0.45 | 40 | 18.00 | |  Shahali, Milad | | | 1639 * | IRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Yousefi, Rayehe | | | 1199 | IRI | 0.50 | 1 | -0.06 | 40 | -2.40 | | | * 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) | | | | Iran Boys Student Middle School Championship-Ramsar 2019 | Tehran | IRI | 2019-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1448 | 1239 | 2.00 | 5 | 0.75 | 40 | 30.00 | |
| | Mardani, Alireza | | | 1639 * | IRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Afri, Mostafa | | | 1375 | IRI | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Saghaei, Amirhosein | | | 1370 | IRI | 1.00 | 1 | 0.68 | 40 | 27.20 | | | Jadidi, Mohammad Keyhan | | | 1503 | IRI | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Roshani, Soroush | | | 1351 | IRI | 0.00 | 1 | -0.35 | 40 | -14.00 | | | * 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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