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Individual Calculations April 2009 |
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| Westerman, Hendrik W. Total change: 7.35 | |   |
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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 |
| 1923 | 1925 | 4.50 | 8 | 0.49 | 15 | 7.35 | |
|  Marshall, Michael | | | 1937 | DEN | 0.50 | 1 | 0.02 | 15 | 0.30 | |  Rietveld, Johan | | | 1931 | NED | 0.50 | 1 | 0.01 | 15 | 0.15 | | | Montsma, Foppe | | | 1966 | NED | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Schoenmakers, Nico | | | 1895 | NED | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Keesman, Karel | | | 1936 | NED | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Mascini, Jan | | | 1898 | NED | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Schol, Jan | | | 1917 | NED | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Peters, Harry | | | 1904 | NED | 1.00 | 1 | 0.47 | 15 | 7.05 | |
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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