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Rapid:
Individual Calculations July 2015 |
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| Zirkel, Dan Total change: 23.20 | |   |
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| Ashdod Chess Club rapid June 2015 A | Ashdod | ISR | 2015-06-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2037 | 1807 | 1.00 | 4 | 0.14 | 20 | 2.80 | |
|  Bondar, Alexandr | | | 2091 | RUS | 0.00 | 1 | -0.16 | 20 | -3.20 | |  Zlatin, Alexander | | | 2031 | ISR | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Horesh, Tal | | | 2077 | ISR | 1.00 | 1 | 0.83 | 20 | 16.60 | | | Lahav, Michal | | | 1949 | ISR | 0.00 | 1 | -0.31 | 20 | -6.20 | |
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) | | | | Israel Team Cup 2015 | Rosh Haayin | ISR | 2015-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1925 | 1807 | 2.50 | 4 | 1.02 | 20 | 20.40 | |
| | Gershkowich, David | f | | 2207 * | ISR | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Federovski, Adi | | | 1864 | ISR | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Gorzeltsen, Edward | | | 1882 | ISR | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Slobodiansky, Steven | | | 1748 | ISR | 1.00 | 1 | 0.42 | 20 | 8.40 | | | * 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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