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Individual Calculations June 2017 |
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| De Boer, Bas Total change: -24.00 | |   |
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| Dutch Championship U20 - 2017 | Assen | NED | 2017-04-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1994 | 2107 | 4.50 | 9 | -1.02 | 20 | -20.40 | |
|  De Boer, Sipke | | | 1707 * | NED | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Vrolijk, Liam | f | | 2378 | NED | 0.00 | 1 | -0.17 | 20 | -3.40 | |  Hofstra, Tijmen | | | 1707 * | NED | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Vereggen, Lars | f | | 2334 | NED | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Bosma, Jan | | | 1707 * | NED | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Van Dael, Siem | | | 2051 | NED | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Van Doren, Bas | | | 1755 | NED | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Van Hoorn, Geert | | | 1952 | NED | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Warmerdam, Max | f | | 2351 | NED | 0.00 | 1 | -0.20 | 20 | -4.00 | | | * 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) | | | | Dutch Team Competition 2016-2017 3B Round 9 | Various | NED | 2017-05-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1974 | 2105 | 0.50 | 1 | -0.18 | 20 | -3.60 | |
| | Scharft, Johan | | | 1974 | NED | 0.50 | 1 | -0.18 | 20 | -3.60 | |
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) | | |
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