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Individual Calculations March 2010 |
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| Bosveld, Henk Total change: 27.50 | |   |
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| Schaakfestival Groningen 2009 Mini A | Groningen | NED | 2009-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2043 | 2005 | 3.00 | 5 | 0.64 | 25 | 16.00 | |
|  Thesing, Matthias | m | | 2405 * | GER | 0.00 | 1 | -0.08 | 25 | -2.00 | |  Kesteren Van, Stef | | | 1909 | NED | 1.00 | 1 | 0.37 | 25 | 9.25 | | | Walinga, Eric Jan | | | 2019 | NED | 0.50 | 1 | 0.02 | 25 | 0.50 | | | Hiemstra, Jan | | | 2019 | NED | 0.50 | 1 | 0.02 | 25 | 0.50 | | | Kampen, Bert | | | 1861 | NED | 1.00 | 1 | 0.31 | 25 | 7.75 | | | * 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) | | | | Klasse 2A Round 5-6 - Dutch Team Competition | Various | NED | 2010-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2181 | 2000 | 1.00 | 2 | 0.46 | 25 | 11.50 | |
| | Harmsen, Klaas | | | 2128 | NED | 0.50 | 1 | 0.17 | 25 | 4.25 | | | Konijn, Bart | | | 2233 | NED | 0.50 | 1 | 0.29 | 25 | 7.25 | |
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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