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Rapid:
Individual Calculations December 2021 |
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| Ghaffarifar, Masoud Total change: -29.00 | |   |
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| 6th IRCF Weekly Rapid Tournament 1400 | Tehran | IRI | 2021-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1336 | 1257 | 0.00 | 2 | -0.85 | 20 | -17.00 | |
|  Chalangari, Mohsen | | | 1572 | IRI | 0.00 | 1 | -0.14 | 20 | -2.80 | |  Garosian, Vania | | | 1099 | IRI | 0.00 | 1 | -0.71 | 20 | -14.20 | |
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) | | | | 7th IRCF Weekly Rapid Tournament 1400 | Tehran | IRI | 2021-11-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1583 | 1257 | 0.00 | 4 | -0.60 | 20 | -12.00 | |
| | Farmahini, Haamed | | | 1425 | IRI | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Ghobadibigvand, A. | | | 1769 | IRI | 0.00 | 1 | -0.04 | 20 | -0.80 | | | Ghasempour, Hossein | | | 1566 | IRI | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Chalangari, Mohsen | | | 1572 | IRI | 0.00 | 1 | -0.14 | 20 | -2.80 | |
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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