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Rapid:
Individual Calculations September 2015 |
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| Sassoon, Roei Total change: -18.20 | |   |
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| Israel U18 Team Championship 2015 | Jerusalem | ISR | 2015-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1928 | 1890 | 3.00 | 6 | 0.08 | 20 | 1.60 | |
|  Gorodetzky, David | f | | 2290 * | ISR | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Boruchovsky, Avital | g | | 2290 * | ISR | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Kupervaser, Erez | | | 1712 | ISR | 0.00 | 1 | -0.73 | 20 | -14.60 | | | Gerber, Nick | | | 1719 | ISR | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Raskin, Tal | | | 1754 | ISR | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Singer, Amit | | | 1801 | ISR | 1.00 | 1 | 0.38 | 20 | 7.60 | | | * 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) | | | | Tsafrir Rehovot rapid August 2015 A | Rehovot | ISR | 2015-08-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1976 | 1890 | 1.00 | 5 | -0.99 | 20 | -19.80 | |
| | Kraizman, Evgeny | | | 2174 | ISR | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Vaisberg, Michael | | | 2102 | ISR | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Zlatin, Alexander | | | 2023 | ISR | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Yablonko, Eyal | | | 1789 | ISR | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Kereth, Oren | | | 1790 | ISR | 0.00 | 1 | -0.64 | 20 | -12.80 | |
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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