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Individual Calculations April 2008 |
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| Zwemstra, Arend Total change: 29.00 | |   |
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| Corus Chess 2008 - Tienkamp 4F | Wijk aan Zee | NED | 2008-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1896 | 1931 | 6.00 | 9 | 1.16 | 25 | 29.00 | |
|  Kraaykamp, Wim | | | 1894 | NED | 0.50 | 1 | -0.05 | 25 | -1.25 | |  Overweg, Danny | | | 1970 | NED | 0.50 | 1 | 0.05 | 25 | 1.25 | | | Maat, Ronald | | | 2004 | NED | 1.00 | 1 | 0.60 | 25 | 15.00 | | | Weverling, Ferry | | | 1929 | NED | 1.00 | 1 | 0.50 | 25 | 12.50 | | | Van Oudvorst, Bert | | | 1922 | NED | 0.50 | 1 | -0.01 | 25 | -0.25 | | | Rietveld, Johan | | | 1931 | NED | 0.50 | 1 | 0.00 | 25 | 0.00 | | | Van De Schootbrugge, Gabri | | | 1943 | NED | 0.00 | 1 | -0.48 | 25 | -12.00 | | | Geus, Jan | | | 1879 | NED | 1.00 | 1 | 0.43 | 25 | 10.75 | | | Kuijper, Hans | | | 1594 | NED | 1.00 | 1 | 0.12 | 25 | 3.00 | |
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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