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Individual Calculations September 2009 |
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| Maas, Joop Total change: 17.50 | |   |
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| Hogeschool Zeeland Chess Tournament 2009 | Vlissingen | NED | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2011 | 1800 | 2.50 | 7 | 0.70 | 25 | 17.50 | |
|  Dek, Lennart | | | 2200 * | NED | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Zomer, Koos | | | 2055 | NED | 1.00 | 1 | 0.81 | 25 | 20.25 | |  De Wolf, Johan | | | 2147 | NED | 0.50 | 1 | 0.39 | 25 | 9.75 | | | Privitera, Franco | | | 2131 | ITA | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Lagrain, Jan | | | 2063 | BEL | 0.00 | 1 | -0.18 | 25 | -4.50 | | | Dijkstra, Arjan | | | 1948 | NED | 0.00 | 1 | -0.30 | 25 | -7.50 | | | Welling, Sophie | | | 1536 | NED | 1.00 | 1 | 0.18 | 25 | 4.50 | | | * 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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