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Individual Calculations September 2012 |
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| Van Velzen, Martin Total change: -29.10 | |   |
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| Dutch Open 2012 - Reservegroep A | Dieren | NED | 2012-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1872 | 1925 | 1.50 | 6 | -1.94 | 15 | -29.10 | |
|  Boersma, Jan | | | 2116 | NED | 0.00 | 1 | -0.25 | 15 | -3.75 | |  Brantjes, Yme | | | 1850 | NED | 0.00 | 1 | -0.60 | 15 | -9.00 | | | De Ridder, Naomi | | | 1774 | NED | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Hoogland, Rob | | | 1841 | NED | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Van Haastert, Jeremy | | | 1840 | NED | 0.00 | 1 | -0.62 | 15 | -9.30 | | | Plooijer, Johan | | | 1813 | NED | 0.50 | 1 | -0.15 | 15 | -2.25 | |
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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