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Individual Calculations August 2015 |
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| Van Der Marel, Bert Total change: 51.00 | |   |
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| 9e Leiden Chess Tournament, Group A | Leiden | NED | 2015-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2368 | 2161 | 5.00 | 9 | 2.55 | 20 | 51.00 | |
|  Hawkins, James N H | | | 1942 | ENG | 1.00 | 1 | 0.22 | 20 | 4.40 | |  Pijpers, Arthur | | | 2433 | NED | 0.50 | 1 | 0.33 | 20 | 6.60 | | | Van Delft, Merijn | m | | 2428 | NED | 1.00 | 1 | 0.82 | 20 | 16.40 | | | Petrov, Marian | g | | 2487 | BUL | 1.00 | 1 | 0.87 | 20 | 17.40 | | | Howell, David W L | g | | 2561 * | ENG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Chatalbashev, Boris | g | | 2516 | BUL | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Van Halderen, Herman | | | 2052 | NED | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Gindi, Shachar | f | | 2336 | ISR | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Tiviakov, Sergei | g | | 2561 * | NED | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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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