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Individual Calculations August 2023 |
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| Van Der Vlis, Peter Total change: 1.20 | |   |
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| Amsterdam Science Park Chess Tournament 2023 - Group B | Amsterdam | NED | 2023-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1792 | 1648 | 2.50 | 8 | 0.03 | 40 | 1.20 | |
|  Bloem, Mark | | | 1839 | NED | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Avis, Fred | | | 1853 | NED | 0.50 | 1 | 0.26 | 40 | 10.40 | |  Nieland, Wim | | | 1841 | NED | 1.00 | 1 | 0.75 | 40 | 30.00 | | | De Heer, Henk | | | 1822 | NED | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Teo, Kir | | | 1786 | NED | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Said, Omar | | | 1688 | NED | 1.00 | 1 | 0.56 | 40 | 22.40 | | | Koes, Richard | | | 1798 | NED | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Stapersma, Dick | | | 1712 | NED | 0.00 | 1 | -0.41 | 40 | -16.40 | |
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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