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Individual Calculations April 2009 |
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| Rietveld, Johan Total change: -2.50 | |   |
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| 4J - Corus Chess Tournament - Tienkampen | Wijk aan Zee | NED | 2009-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1922 | 1931 | 4.00 | 8 | -0.10 | 25 | -2.50 | |
|  Schol, Jan | | | 1917 | NED | 0.50 | 1 | -0.02 | 25 | -0.50 | |  Westerman, Hendrik W. | | | 1925 | NED | 0.50 | 1 | -0.01 | 25 | -0.25 | | | Peters, Harry | | | 1904 | NED | 0.50 | 1 | -0.04 | 25 | -1.00 | | | Marshall, Michael | | | 1937 | DEN | 0.50 | 1 | 0.01 | 25 | 0.25 | | | Montsma, Foppe | | | 1966 | NED | 0.50 | 1 | 0.05 | 25 | 1.25 | | | Schoenmakers, Nico | | | 1895 | NED | 0.50 | 1 | -0.05 | 25 | -1.25 | | | Keesman, Karel | | | 1936 | NED | 0.50 | 1 | 0.01 | 25 | 0.25 | | | Mascini, Jan | | | 1898 | NED | 0.50 | 1 | -0.05 | 25 | -1.25 | |
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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