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Individual Calculations April 2008 |
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| Geertsema, Piet Total change: -19.25 | |   |
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| Corus Chess 2008 - Weekend 3D | Wijk aan Zee | NED | 2008-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2077 | 2018 | 1.50 | 2 | 0.66 | 25 | 16.50 | |
|  Stuckenschneider-Braun, Martin | | | 2028 | GER | 1.00 | 1 | 0.51 | 25 | 12.75 | |  Van Egmond, Enrico | | | 2126 | NED | 0.50 | 1 | 0.15 | 25 | 3.75 | |
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) | | | | Corus Chess 2008 - Tienkamp 3A | Wijk aan Zee | NED | 2008-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2022 | 2018 | 3.00 | 9 | -1.43 | 25 | -35.75 | |
| | Oosting, Rob | | | 2015 | NED | 0.50 | 1 | 0.00 | 25 | 0.00 | | | Testa, Adriano | | | 2033 | ITA | 0.00 | 1 | -0.48 | 25 | -12.00 | | | Vanis, Josef | | | 2025 | NED | 0.00 | 1 | -0.49 | 25 | -12.25 | | | Hahn, Gerard | | | 2004 | NED | 0.50 | 1 | -0.02 | 25 | -0.50 | | | Wijnberg, Arjan | | | 2105 | NED | 0.00 | 1 | -0.38 | 25 | -9.50 | | | Bouma, Albert L | | | 2009 | NED | 0.50 | 1 | -0.01 | 25 | -0.25 | | | Kunst, Andre | | | 2032 | NED | 0.00 | 1 | -0.48 | 25 | -12.00 | | | Leeuwerik, Hans | | | 1898 | NED | 1.00 | 1 | 0.34 | 25 | 8.50 | | | Poncin, Peter | | | 2080 | NED | 0.50 | 1 | 0.09 | 25 | 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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