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Individual Calculations March 2010 |
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| Piasetski, Leon Total change: -4.80 | |   |
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| Schaakfestival Groningen 2009 Open A | Groningen | NED | 2009-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2281 | 2269 | 3.50 | 8 | -0.48 | 10 | -4.80 | |
|  Chadaev, Nikolai | m | | 2567 | RUS | 0.00 | 1 | -0.15 | 10 | -1.50 | |  Bijlsma, Nick | | | 2075 | NED | 0.00 | 1 | -0.75 | 10 | -7.50 | | | Vergert Ten, Paul | | | 2071 | NED | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Efroimski, Marsel | | wf | 2150 | ISR | 0.50 | 1 | -0.16 | 10 | -1.60 | | | Groenewold, Jan Joris | | | 2145 | NED | 0.50 | 1 | -0.17 | 10 | -1.70 | | | Nabuurs, Joep | | | 2191 | NED | 1.00 | 1 | 0.39 | 10 | 3.90 | | | Ernst, Sipke | g | | 2587 | NED | 0.00 | 1 | -0.13 | 10 | -1.30 | | | Burg, Twan | f | | 2460 | NED | 0.50 | 1 | 0.25 | 10 | 2.50 | |
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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