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Individual Calculations February 2018 |
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| Montsma, Foppe-Jan Total change: 27.00 | |   |
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| Chess Festival Groningen 2017 - Open B | Groningen | NED | 2017-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1790 | 1823 | 3.50 | 6 | 0.26 | 20 | 5.20 | |
|  Oord, Jan | | | 1512 | NED | 1.00 | 1 | 0.14 | 20 | 2.80 | |  Knol, Geon | | | 2097 | NED | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Hillenkamp, Melchior | | | 1609 | NED | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Visser, Ynte | | | 1761 | NED | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Martinez, Anna | | | 1793 | NED | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Schleipfenbauer, Bent | | | 1968 | NED | 0.00 | 1 | -0.31 | 20 | -6.20 | |
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) | | | | Tata Steel Tienkampen 2018 | Wijk aan Zee | NED | 2018-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1729 | 1825 | 5.50 | 7 | 1.09 | 20 | 21.80 | |
| | Bertelkamp, Johan | | | 1760 | NED | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Sala, Frank | | | 1668 | NED | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Weijgertze, Peter | | | 1736 | NED | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Boontje, Willem | | | 1807 | NED | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Neumeijer, Ruud | | | 1651 | NED | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Van Dongen, Gerard | | | 1712 | NED | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Enserink, Henk | | | 1771 | NED | 1.00 | 1 | 0.42 | 20 | 8.40 | |
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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