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Individual Calculations August 2015 |
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| Koelmans, Jan Willem Total change: -6.00 | |   |
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| 9e Leiden Chess Tournament, Group B | Leiden | NED | 2015-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1814 | 1935 | 5.00 | 8 | -0.30 | 20 | -6.00 | |
|  Broos, Simon | | | 1837 | NED | 1.00 | 1 | 0.37 | 20 | 7.40 | |  Braggaar, Wessel | | | 1835 | NED | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Nyman, John C H | | | 1829 | ENG | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Van T Hoff, Kees | | | 1819 | NED | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Deketelaere, Francky | | | 1769 | BEL | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Van Den Berg, Jaap | | | 1848 | NED | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Heijboer, Herman | | | 1850 | NED | 0.50 | 1 | -0.12 | 20 | -2.40 | | | De Ruyter, Wim | | | 1725 | NED | 1.00 | 1 | 0.23 | 20 | 4.60 | |
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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