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Individual Calculations September 2013 |
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| Koelewijn, Alex Total change: -37.05 | |   |
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| Dutch Open 2013 - Reserve A | Dieren | NED | 2013-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1906 | 2060 | 2.50 | 6 | -1.66 | 15 | -24.90 | |
|  Tulfer, Paul | | | 1883 | NED | 0.50 | 1 | -0.23 | 15 | -3.45 | |  De Roos, Radboud | | | 1911 | NED | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Van Veelen, Thomas | | | 1933 | NED | 0.00 | 1 | -0.67 | 15 | -10.05 | | | Oord, Raymon | | | 1710 | NED | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Markus, John | | | 2056 | NED | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Moerkerken, Remko | | | 1944 | 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) | | | | BDO Open Chess Tournament 2013 | Haarlem | NED | 2013-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1992 | 2116 | 4.50 | 8 | -0.81 | 15 | -12.15 | |
| | Cohen, Avi | | | 1904 | USA | 0.00 | 1 | -0.77 | 15 | -11.55 | | | Nieland, Wim | | | 1933 | NED | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Littel, Leo | | | 1976 | NED | 0.00 | 1 | -0.69 | 15 | -10.35 | | | Kolodkin, Daniil | | | 1975 | NED | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Vroombout, Enrico | | | 2162 | NED | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Arp, Frans | | | 2033 | NED | 0.00 | 1 | -0.61 | 15 | -9.15 | | | Kazarian, Anna-Maja | | wf | 1944 | NED | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Van Haastert, Paul | | | 2012 | NED | 1.00 | 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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