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Individual Calculations February 2018 |
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| De Graaff, Dirk Total change: -52.80 | |   |
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| Chess Festival Groningen 2017 - Compact C | Groningen | NED | 2017-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1569 | 1646 | 0.50 | 3 | -1.32 | 40 | -52.80 | |
|  Van Den Heuvel, Annelies | | | 1551 | NED | 0.00 | 1 | -0.63 | 40 | -25.20 | |  Meeuwsen, Michiel | | | 1568 | NED | 0.50 | 1 | -0.11 | 40 | -4.40 | | | Huizen, Peter | | | 1587 | NED | 0.00 | 1 | -0.58 | 40 | -23.20 | |
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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