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Individual Calculations February 2015 |
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| Van Foreest, Pieter Total change: 132.00 | |   |
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| Schaakfestival Groningen 2014 Open B | Groningen | NED | 2014-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1810 | 1693 | 4.00 | 7 | 1.59 | 40 | 63.60 | |
|  Alshourfaa, Hazaa | | | 1733 | KUW | 0.00 | 1 | -0.44 | 40 | -17.60 | |  Bottema, Jeroen | | | 1819 | NED | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Pompstra, Henk | | | 1783 | NED | 1.00 | 1 | 0.62 | 40 | 24.80 | | | Leeftink, Gerbert | | | 1780 | NED | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Overgaard, Jorgen | | | 1774 | DEN | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Land, Marc | | | 1856 | NED | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Van Dongen, Rob | | | 1923 | NED | 1.00 | 1 | 0.79 | 40 | 31.60 | |
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) | | | | Schachfestival Basel Amateure 2015 | Basel | SUI | 2015-01-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1898 | 1693 | 1.00 | 4 | 0.03 | 40 | 1.20 | |
| | Chervet, Olivier | | | 1918 | SUI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Stefanov, Evtim | | | 1978 | BUL | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Naegelin, Luis | | | 1829 | SUI | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Liebsch, Ulrich | | | 1868 | GER | 1.00 | 1 | 0.73 | 40 | 29.20 | |
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) | | | | 17. Ruegenwalder NordWest-Cup Group B | Bad Zwischenahn | GER | 2015-01-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1647 | 1693 | 5.00 | 6 | 1.68 | 40 | 67.20 | |
| | Grueneschild, Hildegard | | | 1475 | GER | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Gehre, Frank | | | 1514 | GER | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Nedkov, Peter | | | 1985 | GER | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Strozyk, Jannig | | | 1635 | GER | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Van Foreest, Machteld | | | 1304 | NED | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Schubert, Wolfgang | | | 1968 | GER | 1.00 | 1 | 0.83 | 40 | 33.20 | |
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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