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Individual Calculations August 2015 |
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| Heijboer, Herman Total change: 4.20 | |   |
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| 9e Leiden Chess Tournament, Group B | Leiden | NED | 2015-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1808 | 1850 | 4.00 | 7 | 0.21 | 20 | 4.20 | |
|  Amarapala, Anton | | | 1482 | NOR | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Koreman, Eric | | | 1938 | NED | 0.50 | 1 | 0.12 | 20 | 2.40 | |  Nguyen, Lucas | | | 1642 | NED | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Van Den Berg, Dick | | | 1896 | NED | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Vergeer, Michiel | | | 1882 | NED | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Pliev, Vladimir | | | 1880 | RUS | 0.00 | 1 | -0.46 | 20 | -9.20 | | | Koelmans, Jan Willem | | | 1935 | NED | 0.50 | 1 | 0.12 | 20 | 2.40 | |
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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