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Individual Calculations April 2008 |
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| Posch, Jan Total change: -87.75 | |   |
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| Harmonie Open B | Groningen | NED | 2007-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1962 | 1964 | 0.50 | 2 | -0.50 | 25 | -12.50 | |
|  Klinkhammer, Johan | | | 2013 | NED | 0.00 | 1 | -0.43 | 25 | -10.75 | |  Pouw, Marcel | | | 1911 | NED | 0.50 | 1 | -0.07 | 25 | -1.75 | |
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 3C | Wijk aan Zee | NED | 2008-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2003 | 1964 | 1.00 | 9 | -3.01 | 25 | -75.25 | |
| | Pover, Piet | | | 2013 | NED | 0.00 | 1 | -0.43 | 25 | -10.75 | | | Schulze, Joachim | | | 2030 | GER | 0.00 | 1 | -0.41 | 25 | -10.25 | | | Holscher, Peter | | | 2071 | NED | 0.00 | 1 | -0.35 | 25 | -8.75 | | | Veldhuysen, Klaas | | | 1995 | NED | 0.00 | 1 | -0.46 | 25 | -11.50 | | | Jungen, Rene | | | 1856 | NED | 0.00 | 1 | -0.65 | 25 | -16.25 | | | Roggeveen, Pieter | | | 2075 | NED | 0.00 | 1 | -0.35 | 25 | -8.75 | | | Seeleman, Jan | | | 2004 | NED | 0.00 | 1 | -0.44 | 25 | -11.00 | | | Adriaanse, Tom | | | 1978 | NED | 1.00 | 1 | 0.52 | 25 | 13.00 | | | Klooker, Reynold | | | 2009 | NED | 0.00 | 1 | -0.44 | 25 | -11.00 | |
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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