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Individual Calculations August 2012 |
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| Van Overdam, Jan Total change: 30.45 | |   |
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| 6e Leiden Chess Tournament - Group A | Leiden | NED | 2012-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2203 | 2101 | 5.50 | 9 | 2.03 | 15 | 30.45 | |
|  Koes, Richard | | | 1910 | NED | 1.00 | 1 | 0.25 | 15 | 3.75 | |  De Jong, Jan-Willem | m | | 2429 | NED | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Butkiewicz, Lukasz | m | | 2402 | POL | 0.00 | 1 | -0.15 | 15 | -2.25 | | | De Coverly, Roger D | | | 2027 | ENG | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Slingerland, Fred | m | | 2360 | NED | 1.00 | 1 | 0.82 | 15 | 12.30 | | | Erwich, Frank | f | | 2376 | NED | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Bakker, Joop | | | 1966 | NED | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Roorda, Thijs | | | 2025 | NED | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Van Beek, Alexander | m | | 2329 | NED | 1.00 | 1 | 0.79 | 15 | 11.85 | |
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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