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Individual Calculations December 2015 |
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| Olsen, Birger Total change: -15.60 | |   |
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| World Senior Championship 2015 - over 65 | Acqui Terme | ITA | 2015-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1703 | 1615 | 2.50 | 8 | -0.78 | 20 | -15.60 | |
|  Buxade Roca, Guillermo | | | 2015 * | ESP | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Koskinen, Veikko | | | 1960 | FIN | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Pihlajamaki, Antti | | | 1880 | FIN | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Rigotti, Gianluigi | | | 1492 | ITA | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Cassano, Giuseppe | | | 1526 | ITA | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Lachat, Martin | | | 1539 | SUI | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Catalano, Luigi | | | 1667 | ITA | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Vanzan, Alessandro | | | 1547 | ITA | 1.00 | 1 | 0.41 | 20 | 8.20 | | | * 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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