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Individual Calculations April 2008 |
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| Boots, Johan Total change: -8.40 | |   |
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| Dutch Team Competition - 1B - round 5-6 | Various | NED | 2007-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2139 | 2091 | 0.50 | 1 | 0.07 | 15 | 1.05 | |
|  Van Den Hurk, Hans | | | 2139 | NED | 0.50 | 1 | 0.07 | 15 | 1.05 | |
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) | | | | Corus Chess 2008 - Tienkamp 3E | Wijk aan Zee | NED | 2008-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2014 | 2073 | 4.00 | 8 | -0.63 | 15 | -9.45 | |
| | Voss, Herman | | | 2057 | NED | 0.50 | 1 | -0.02 | 15 | -0.30 | |  Hummel, Joop | | | 1989 | NED | 0.00 | 1 | -0.62 | 15 | -9.30 | | | Van Geffen, Ben | | | 2150 | NED | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Avis, Fred | | | 1938 | NED | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Oosterlaken, Ed | | | 2038 | NED | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Pauw, Martijn | | | 2034 | NED | 0.00 | 1 | -0.55 | 15 | -8.25 | | | Marano, Salvatore | | | 2006 | ITA | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Buitink, Bert | | | 1900 | NED | 1.00 | 1 | 0.27 | 15 | 4.05 | |
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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