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Individual Calculations June 2017 |
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| Bosma, Jan Total change: -10.80 | |   |
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| Dutch Championship U20 - 2017 | Assen | NED | 2017-04-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1964 | 1684 | 1.00 | 6 | -0.27 | 40 | -10.80 | |
|  Vereggen, Lars | f | | 2084 * | NED | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Kevlishvili, Robby | m | | 2084 * | NED | 0.00 | 1 | -0.08 | 40 | -3.20 | | | De Boer, Sipke | | | 1363 | NED | 1.00 | 1 | 0.13 | 40 | 5.20 | |  De Boer, Bas | | | 2084 * | NED | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Elgersma, Simon | | | 2084 * | NED | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Den Hartog, Marijn | | | 2084 * | NED | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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