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Individual Calculations May 2015 |
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| Kalka, Arkadius Georg Total change: -15.70 | |   |
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| Oster-Open 2015 Oberhausen | Oberhausen | GER | 2015-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2039 | 2368 | 3.50 | 6 | -1.72 | 10 | -17.20 | |
|  Bigott, Martin | | | 1968 * | GER | 0.50 | 1 | -0.42 | 10 | -4.20 | |  Wraga, Teresa | | | 1968 * | GER | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Ratsma, Midas | | | 2120 | NED | 0.00 | 1 | -0.81 | 10 | -8.10 | | | Meyer, Ulrich | | | 2007 | GER | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Heinzel, Peter | | | 2068 | GER | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Krueger, Andre | | | 2102 | GER | 0.00 | 1 | -0.82 | 10 | -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) | | | | National Team Championship 2015 Round 9-10 | various | ISR | 2015-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2421 | 2368 | 1.00 | 2 | 0.15 | 10 | 1.50 | |
| | Kobo, Ori | f | | 2425 | ISR | 0.00 | 1 | -0.42 | 10 | -4.20 | | | Bykhovsky, Avigdor | g | | 2416 | RUS | 1.00 | 1 | 0.57 | 10 | 5.70 | |
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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