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Individual Calculations November 2022 |
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| Petrukhina, Olga Total change: -33.20 | |   |
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| 4th Yerevan Open A | Yerevan | ARM | 2022-10-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1920 | 2073 | 4.50 | 9 | -1.66 | 20 | -33.20 | |
|  Petrosian, Tigran L. | g | | 2549 | ARM | 0.00 | 1 | -0.05 | 20 | -1.00 | |  Kobak, Polina | | | 1829 | ARM | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Pogosyan, Stefan | m | | 2411 | FID | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Hakobyan, Menua | | | 1856 | ARM | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Serobyan, Genrik | | | 1724 | RUS | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Atoyan, Alberto | | | 1764 | ARM | 0.00 | 1 | -0.86 | 20 | -17.20 | | | Majidi, Seyed Mohammad Par | | | 1806 | IRI | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Jafari, Parsa | | | 1668 | IRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kudryashev, Edgar | | | 1673 * | ARM | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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