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Individual Calculations September 2019 |
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| Usharovsky, Ron Total change: 5.60 | |   |
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| 74th Hampstead FIDE Chess Congress U2200 | London | ENG | 2019-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1777 | 1670 | 1.50 | 5 | -0.38 | 40 | -15.20 | |
|  Bak, Andrew | | | 1994 | ENG | 0.00 | 1 | -0.13 | 40 | -5.20 | |  Zierahn, Lukas | | | 1909 | GER | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Siddharth, Gopakumar | | | 1847 | IND | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Zheng, William | | | 1621 | ENG | 0.00 | 1 | -0.57 | 40 | -22.80 | | | Llewellyn, Julian D | | | 1512 | ENG | 0.50 | 1 | -0.21 | 40 | -8.40 | |
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) | | | | Gibraltar Junior International Chess Festival Under 16 | Gibraltar | ENG | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1837 | 1670 | 2.00 | 5 | 0.52 | 40 | 20.80 | |
| | Howell, Oliver W | | | 1847 | ENG | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Tadevosyan, Aspet | | | 2038 | ESP | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Aubury, Benjamin | | | 1686 | ENG | 0.50 | 1 | 0.02 | 40 | 0.80 | | | Bartelt, Max Peter | | | 1803 | GER | 1.00 | 1 | 0.68 | 40 | 27.20 | | | Lorente Serrano, Rosa Adela | | | 1810 | ESP | 0.00 | 1 | -0.31 | 40 | -12.40 | |
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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