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Individual Calculations August 2017 |
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| Koelmans, Jan Willem Total change: -9.40 | |   |
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| 11e Leiden Chess Tournament - Group B | Leiden | NED | 2017-07-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1771 | 1916 | 5.00 | 8 | -0.47 | 20 | -9.40 | |
|  Kastelein, Gerard | | | 1742 | NED | 1.00 | 1 | 0.27 | 20 | 5.40 | |  Van De Griend, Johan | | | 1797 | NED | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Van Brussel, Bert | | | 1828 | NED | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Van Deutekom, Yde | | | 1858 | NED | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Salomons, Quinten | | | 1556 | NED | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Coiffait, Casimir | | | 1853 | FRA | 0.00 | 1 | -0.59 | 20 | -11.80 | | | Guillon, Gabriel | | | 1679 | FRA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Geboers, Jimmy | | | 1852 | BEL | 0.00 | 1 | -0.59 | 20 | -11.80 | |
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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