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Individual Calculations September 2015 |
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| Boersma, Jan Total change: 23.00 | |   |
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| Dutch Open 2015 | Dieren | NED | 2015-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2259 | 2119 | 4.00 | 9 | 1.15 | 20 | 23.00 | |
|  Harff, Marcel | f | | 2313 | GER | 0.50 | 1 | 0.25 | 20 | 5.00 | |  Zwirs, Nico | | | 2346 | NED | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Ypma, Peter | | | 2246 | NED | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Schouten, Nico | m | | 2179 | NED | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Foisor, Sabina-Francesca | | wg | 2202 | USA | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Kolbus, Dietmar | m | | 2309 | GER | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Mueer, Sebastian | | | 2210 | GER | 1.00 | 1 | 0.62 | 20 | 12.40 | | | Kollen, Zyon | | | 2220 | NED | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Hamblok, Roel | f | | 2305 | BEL | 0.00 | 1 | -0.26 | 20 | -5.20 | |
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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