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Individual Calculations September 2010 |
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| Van Der Marel, Bert Total change: -25.80 | |   |
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| 4e Leiden Chess Tournament | Leiden | NED | 2010-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2012 | 2178 | 4.00 | 8 | -1.72 | 15 | -25.80 | |
|  Van Der Maat, Niek | | | 1960 | NED | 0.00 | 1 | -0.78 | 15 | -11.70 | |  Koes, Richard | | | 1947 | NED | 0.00 | 1 | -0.79 | 15 | -11.85 | | | Damen, Igor | | | 1937 | NED | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Van Der Eyk, Dick | | | 2004 | NED | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Besel, Waldemar | | | 2056 | GER | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Bakker, Joop | | | 2019 | NED | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Ypma, Peter | | | 2074 | NED | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Middelveld, Martine | | | 2102 | NED | 0.00 | 1 | -0.60 | 15 | -9.00 | |
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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