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Individual Calculations January 2009 |
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| Piket, Joop Total change: -6.90 | |   |
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| 2C - r 1-3 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2068 | 2186 | 1.50 | 3 | -0.46 | 15 | -6.90 | |
|  Keessen, Aldert-Jan | | | 2195 | NED | 0.50 | 1 | 0.01 | 15 | 0.15 | |  Van Der Knijff, Kees | | | 1938 | NED | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Van Woerden, Michiel | | | 2072 | NED | 0.00 | 1 | -0.66 | 15 | -9.90 | |
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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