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Individual Calculations March 2010 |
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| Zuiderweg, Edwin Total change: 2.70 | |   |
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| Schaakfestival Groningen 2009 Open B | Groningen | NED | 2009-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1976 | 2014 | 5.50 | 9 | 0.54 | 15 | 8.10 | |
|  Reinders, Joan | | | 1875 | NED | 1.00 | 1 | 0.31 | 15 | 4.65 | |  Hommes, Elmar | | | 1899 | NED | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Verwoert, Jef | | | 2061 | NED | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Slagter, Ruben | | | 2029 | NED | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Brookes, Christopher | | | 2013 | NED | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Groot De, Ymar | | | 2001 | NED | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Dirksen, Marieke | | | 1931 | NED | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Wielenga, Wiebe | | | 2090 | NED | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Pouw, Marcel | | | 1886 | NED | 1.00 | 1 | 0.33 | 15 | 4.95 | |
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) | | | | Klasse 2A Round 5-6 - Dutch Team Competition | Various | NED | 2010-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2118 | 2016 | 0.00 | 1 | -0.36 | 15 | -5.40 | |
| | Veldt, Maarten | | | 2118 | NED | 0.00 | 1 | -0.36 | 15 | -5.40 | |
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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