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Individual Calculations August 2015 |
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| De Jong, Jan-Willem Total change: 5.30 | |   |
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| 9e Leiden Chess Tournament, Group A | Leiden | NED | 2015-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2353 | 2448 | 6.00 | 9 | 0.53 | 10 | 5.30 | |
|  Oosterom, Erik | | | 2048 * | NED | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Heemskerk, Wim | f | | 2175 | NED | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Nikolic, Predrag | g | | 2601 | BIH | 0.00 | 1 | -0.30 | 10 | -3.00 | | | Overeem, Marc | f | | 2216 | NED | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Pijpers, Arthur | | | 2433 | NED | 0.50 | 1 | -0.02 | 10 | -0.20 | | | Milov, Leonid | g | | 2462 | GER | 0.50 | 1 | 0.02 | 10 | 0.20 | | | Visser, Henk-Jan | | | 2272 | NED | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Das, Arghyadip | m | | 2457 | IND | 0.50 | 1 | 0.01 | 10 | 0.10 | | | Chatalbashev, Boris | g | | 2516 | BUL | 0.50 | 1 | 0.09 | 10 | 0.90 | | | * 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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