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Individual Calculations October 2017 |
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| Costin, Alexandru Total change: 120.00 | |   |
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| European Youth Chess Championship 2017 - Open 12 | Mamaia | ROU | 2017-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1991 | 1812 | 5.50 | 9 | 3.00 | 40 | 120.00 | |
|  Tuominen, Matias | | | 1412 * | FIN | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Musyuk, Lior | | | 2087 | ISR | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Melkonyan, Arshak | | | 2064 | ARM | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Babazada, Khazar | | | 2121 | AZE | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Spizharny, Mikhail | | | 1972 | BLR | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Fernandez Lopez, Ruben | | | 2020 | ESP | 1.00 | 1 | 0.77 | 40 | 30.80 | | | Morgunov, Marc | | | 2197 | AUT | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Tadic, Stefan | | | 2074 | SRB | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Davtyan, Arsen | | | 1969 | ARM | 0.50 | 1 | 0.21 | 40 | 8.40 | | | * 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) | | |
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