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Rapid:
Individual Calculations September 2018 |
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| Vaferi, Amirreza Total change: -13.00 | |   |
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| Achmaz Chess School Rapid Cup Mordad 97 | Ardabil | IRI | 2018-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1320 | 1189 | 1.00 | 3 | -0.05 | 20 | -1.00 | |
|  Golmoghani, Mahsa | | | 1413 | IRI | 1.00 | 1 | 0.78 | 20 | 15.60 | | | Mohammadi Asl, Abolfazl | | | 1491 | IRI | 0.00 | 1 | -0.15 | 20 | -3.00 | |  Rezaei, Aytak | | | 1056 | IRI | 0.00 | 1 | -0.68 | 20 | -13.60 | |
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) | | | | 4th ardabil-achmaz chess school cup | Ardabil | IRI | 2018-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1445 | 1189 | 0.00 | 3 | -0.60 | 20 | -12.00 | |
| | Dolati, Artin | | | 1589 * | IRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Majidzadeh, Amirhossein | | | 1397 | IRI | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Vafadar, Mobin | | | 1348 | IRI | 0.00 | 1 | -0.29 | 20 | -5.80 | | | * 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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