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Individual Calculations January 2010 |
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| Portnoy, Matan Total change: -7.80 | |   |
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| KFS Championship 2009 | Kfar Saba | ISR | 2009-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2019 | 2029 | 4.50 | 9 | -0.11 | 15 | -1.65 | |
|  Landa, Leon | | | 2043 | ISR | 0.00 | 1 | -0.48 | 15 | -7.20 | |  Patishi, Asaf | | | 1966 | ISR | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Mendel, Yaacov | | | 2026 | ISR | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Paz, Arnon | | | 1844 | ISR | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Lambarski, Alexander | | | 2217 | ISR | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Gerchikov, Pavel | | | 2078 | ISR | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Protkin, Boris | | | 2115 | ISR | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Grinberg, Eyal | | | 1845 | ISR | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Atzmon, Emanuel | | | 2035 | ISR | 1.00 | 1 | 0.51 | 15 | 7.65 | |
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) | | | | Stav 2009 Mark Centre | Tel Aviv | ISR | 2009-10-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2051 | 2029 | 2.50 | 6 | -0.41 | 15 | -6.15 | |
| | Neimer, Vitaly | f | | 2395 | ISR | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Ben, Tomer | | | 1977 | ISR | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Shwarchbard, Zvi | | | 1876 | ISR | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Shimonovich, Yoav | | | 2128 | ISR | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Hadari, Ariel | | | 2002 | ISR | 0.00 | 1 | -0.54 | 15 | -8.10 | | | Levi, Eli | | | 1928 | ISR | 1.00 | 1 | 0.36 | 15 | 5.40 | |
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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