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Individual Calculations February 2013 |
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| Ratsma, Midas Total change: -8.55 | |   |
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| Schaakfestival Groningen 2012 Open A | Groningen | NED | 2012-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2203 | 2031 | 2.00 | 9 | -0.57 | 15 | -8.55 | |
|  Afek, Yochanan | m | | 2311 | ISR | 0.00 | 1 | -0.16 | 15 | -2.40 | |  Ootes, Lennart | | | 2209 | NED | 1.00 | 1 | 0.73 | 15 | 10.95 | | | Ben Artzi, Ido | | | 2297 | ISR | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Lyell, Mark | f | | 2226 | ENG | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Calzetta Ruiz, Monica | | wg | 2286 | ESP | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Richters, Marc | | | 2075 | GER | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Gieben, Stijn | | | 2048 | NED | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Sparenberg, Erik | | | 2114 | NED | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Brunello, Marina | | wm | 2257 | ITA | 0.00 | 1 | -0.21 | 15 | -3.15 | |
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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