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Individual Calculations February 2016 |
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| Boersma, Jan Total change: -6.60 | |   |
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| Chessfestival Groningen Open A | Groningen | NED | 2015-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2103 | 2083 | 1.50 | 5 | -0.90 | 20 | -18.00 | |
|  Wacker, Peter | f | | 2335 | GER | 0.00 | 1 | -0.19 | 20 | -3.80 | |  Heemskerk, Wim | f | | 2181 | NED | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Van Baar, Esper | | | 2002 | NED | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Hilwerda, Jonas | | | 2012 | NED | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Drozdowski, Konrad | | | 1987 | POL | 0.50 | 1 | -0.13 | 20 | -2.60 | |
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) | | | | Dutch Team Competition 2015-2016 - 1A - round 5 | Various | NED | 2016-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2130 | 2083 | 1.00 | 1 | 0.57 | 20 | 11.40 | |
| | Vos, Tjark | | | 2130 | AHO | 1.00 | 1 | 0.57 | 20 | 11.40 | |
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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