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Individual Calculations February 2015 |
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| Van Haaften, Maarten Total change: -3.20 | |   |
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| Schaakfestival Groningen 2014 Open C | Groningen | NED | 2014-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1574 | 1704 | 2.50 | 4 | -0.08 | 40 | -3.20 | |
|  Van Haaften, Adriaan | | | 1759 | NED | 1.00 | 1 | 0.58 | 40 | 23.20 | |  Nguyen, Lucas | | | 1579 | NED | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Parfett, Gerald F | | | 1654 | ENG | 0.50 | 1 | -0.07 | 40 | -2.80 | | | Van Foreest, Machteld | | | 1304 * | NED | 0.00 | 1 | -0.92 | 40 | -36.80 | | | * 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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