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Individual Calculations September 2009 |
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| Boyarchenko, Marie Total change: -33.30 | |   |
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| 3e Leiden Chess Tournament | Leiden | NED | 2009-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1993 | 2028 | 0.50 | 7 | -3.43 | 15 | -51.45 | |
|  Slingerland, Fred | m | | 2406 | NED | 0.00 | 1 | -0.09 | 15 | -1.35 | |  Van Overdam, Jan | | | 1964 | NED | 0.00 | 1 | -0.59 | 15 | -8.85 | | | Van Der Maat, Niek | | | 1980 | NED | 0.00 | 1 | -0.57 | 15 | -8.55 | | | Schmit, Evert | | | 1872 | NED | 0.00 | 1 | -0.71 | 15 | -10.65 | | | Van Den Bergh, Ben | | | 2006 | NED | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Snikkers, Naomi | | | 1818 | NED | 0.00 | 1 | -0.77 | 15 | -11.55 | | | Volders, Wessel | | | 1905 | NED | 0.50 | 1 | -0.17 | 15 | -2.55 | |
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) | | | | ZMD Open | Dresden | GER | 2009-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2106 | 2028 | 4.50 | 8 | 1.21 | 15 | 18.15 | |
| | Boyarchenko, Vlada | | | 1628 * | LUX | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Womacka, Mathias | m | | 2428 * | GER | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Bisse, Vilorij | | | 1936 | GER | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Genova, Lyubka | | wm | 2209 | BUL | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Schott, Peggy | | | 1799 | GER | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Hansch, Torsten | c | | 2203 | GER | 1.00 | 1 | 0.73 | 15 | 10.95 | | | Bracker, Arne | | | 2214 | GER | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Horvath, Peter | g | | 2428 * | HUN | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * 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) | | |
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