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Individual Calculations January 2010 |
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| Petrosyan, Arman Total change: 15.00 | |   |
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| World Youth Chess Championships-u10 | Antalya | TUR | 2009-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1892 | 1724 | 4.00 | 7 | 2.03 | 25 | 50.75 | |
|  Khanin, Semen | | | 1956 | RUS | 0.50 | 1 | 0.29 | 25 | 7.25 | | | Tari, Aryan | | | 1932 | NOR | 1.00 | 1 | 0.77 | 25 | 19.25 | |  Haria, Ravi | | | 1840 | ENG | 0.50 | 1 | 0.16 | 25 | 4.00 | | | Sheremet, Anton | | | 1864 | BLR | 0.00 | 1 | -0.31 | 25 | -7.75 | | | Haring, Viktor | | | 1884 | SVK | 1.00 | 1 | 0.71 | 25 | 17.75 | | | Baskin, Robert | | | 1805 | GER | 0.50 | 1 | 0.11 | 25 | 2.75 | | | Ayvazyan, Nikita | | | 1962 | RUS | 0.50 | 1 | 0.30 | 25 | 7.50 | |
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) | | | | Chess House 2009 Ch. | Yerevan | ARM | 2009-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1904 | 1724 | 0.00 | 5 | -1.43 | 25 | -35.75 | |
| | Eranyan, Khachatur | | | 2047 | ARM | 0.00 | 1 | -0.13 | 25 | -3.25 | | | Avetisyan, Davit P. | | | 1748 | ARM | 0.00 | 1 | -0.47 | 25 | -11.75 | | | Apresyan, Zohrak | | | 2056 | ARM | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Tunyan, Zara | | | 1902 | ARM | 0.00 | 1 | -0.27 | 25 | -6.75 | | | Vasilyan, Sargis | | | 1769 | ARM | 0.00 | 1 | -0.44 | 25 | -11.00 | |
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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