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Individual Calculations March 2012 |
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| Zak, Uriel Total change: 4.70 | |   |
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| 2nd Intl. Festival Petach Tikva 2011 Open | Petach Tikva | ISR | 2011-12-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2048 | 2269 | 4.00 | 5 | 0.21 | 10 | 2.10 | |
|  Mendelboim, Sagi | | | 1875 | ISR | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Bernshtein, Tomer | | | 1912 | ISR | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Har-Even, Abir | | | 2088 | ISR | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Shutzman, Joseph | f | | 2220 | USA | 0.50 | 1 | -0.07 | 10 | -0.70 | | | Lan, Grenrich | | | 2147 | ISR | 0.50 | 1 | -0.17 | 10 | -1.70 | |
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) | | | | Winter Mark Centre 2012 | Tel Aviv | ISR | 2012-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2046 | 2261 | 5.50 | 7 | 0.26 | 10 | 2.60 | |
| | Barak, Gil | | | 1945 | ISR | 0.50 | 1 | -0.37 | 10 | -3.70 | | | Gonen, Nachum | | | 1994 | ISR | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Weiss, Yonatan | | | 1861 * | ISR | 0.50 | 1 | -0.42 | 10 | -4.20 | | | Graifer, Michail | | | 1914 | ISR | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Gershkowich, David | f | | 2238 | ISR | 1.00 | 1 | 0.47 | 10 | 4.70 | | | Zalkind, Konstantin | f | | 2203 | ISR | 1.00 | 1 | 0.42 | 10 | 4.20 | | | Reshef, Omer | | | 2168 | ISR | 0.50 | 1 | -0.13 | 10 | -1.30 | | | * 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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