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Individual Calculations September 2009 |
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| Thoma, Sophia Total change: 42.00 | |   |
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| 3e Leiden Chess Tournament | Leiden | NED | 2009-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2103 | 1830 | 3.50 | 9 | 1.89 | 25 | 47.25 | |
|  Wantola, Ivo | f | | 2230 * | NED | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Van Den Bergh, Ben | | | 2006 | NED | 1.00 | 1 | 0.73 | 25 | 18.25 | |  Pietrow, Andrzej | | | 2113 | NED | 1.00 | 1 | 0.84 | 25 | 21.00 | | | Konings, Leon | f | | 2230 * | NED | 0.50 | 1 | 0.42 | 25 | 10.50 | | | Galje, Hans | | | 2159 | NED | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Erwich, Frans | | | 2085 | NED | 0.50 | 1 | 0.31 | 25 | 7.75 | | | Glimmerveen, Martin | | | 2068 | NED | 0.00 | 1 | -0.20 | 25 | -5.00 | | | Segers, Hans | | | 2021 | NED | 0.00 | 1 | -0.25 | 25 | -6.25 | | | Noordkamp, Wouter | | | 2013 | NED | 0.50 | 1 | 0.24 | 25 | 6.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Dutch Open - Reserve A | Dieren | NED | 2009-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1868 | 1830 | 2.50 | 6 | -0.21 | 25 | -5.25 | |
| | Kraaykamp, Wim | | | 1905 | NED | 1.00 | 1 | 0.60 | 25 | 15.00 | | | Van De Donk, Bert | | | 1982 | NED | 0.00 | 1 | -0.30 | 25 | -7.50 | | | Obels, Pepijn | | | 1744 | NED | 1.00 | 1 | 0.38 | 25 | 9.50 | | | Tromp, Pieter | | | 2028 | NED | 0.50 | 1 | 0.26 | 25 | 6.50 | | | Mostertman, Johan | | | 1732 | NED | 0.00 | 1 | -0.63 | 25 | -15.75 | | | Cox, Jan | | | 1816 | NED | 0.00 | 1 | -0.52 | 25 | -13.00 | |
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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