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Individual Calculations September 2009 |
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| Hadari, Ariel Total change: -7.50 | |   |
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| ISR 2nd League South 2009 | Various | ISR | 2009-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2055 | 2056 | 1.00 | 2 | 0.00 | 15 | 0.00 | |
|  Freidzon, Dani | | | 2099 | ISR | 1.00 | 1 | 0.56 | 15 | 8.40 | |  Har-Even, Abir | | | 2010 | ISR | 0.00 | 1 | -0.56 | 15 | -8.40 | |
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) | | | | Spring Herzlia 2009 | Herzlia | ISR | 2009-04-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2045 | 2024 | 3.50 | 9 | -0.74 | 15 | -11.10 | |
| | Chassid, Elan | | | 2106 | ISR | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Cnaan, Moshe | | | 2125 | ISR | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Gunsherovich, Itay | | | 2071 | ISR | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Towers, Brian | | | 1859 | ISR | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Magen, Paz | | | 2009 | ISR | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Kinberg, Ofer | | | 2091 | ISR | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Lavi, Idan | | | 2121 | ISR | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Ben Porat, Zeev | | | 1974 | ISR | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Lotsov Har-Zahav, Avraham | | | 2045 | ISR | 0.50 | 1 | 0.03 | 15 | 0.45 | |
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) | | | | Spring 2009 Mark Centre | Tel Aviv | ISR | 2009-05-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2036 | 2024 | 3.50 | 7 | 0.13 | 15 | 1.95 | |
| | Graifer, Michail | | | 1790 | ISR | 0.50 | 1 | -0.29 | 15 | -4.35 | | | Feigel, Leonid | | | 2005 | ISR | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Nakar, Eylon | | | 2243 | ISR | 1.00 | 1 | 0.78 | 15 | 11.70 | | | Givon, Asaf | | | 2132 | ISR | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Elchanati, Alon | | | 2125 | ISR | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Levi, Eli | | | 1926 | ISR | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Levitsky, Artur | | | 2029 | ISR | 0.50 | 1 | 0.01 | 15 | 0.15 | |
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) | | | | KFS Spring 2009 Rashit | Kfar Saba | ISR | 2009-05-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2077 | 2024 | 2.50 | 6 | -0.09 | 15 | -1.35 | |
| | Raznikov, Danny | | | 2270 | ISR | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Lambarski, Alexander | | | 2200 | ISR | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Levits, Yuri | | | 1967 | ISR | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Atzmon, Emanuel | | | 2073 | ISR | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Paz, Arnon | | | 1852 | ISR | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Schwarz, Harry | | | 2101 | ISR | 0.50 | 1 | 0.11 | 15 | 1.65 | |
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) | | | | Maccabiah 2009 Intl Open | Natanya | ISR | 2009-07-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1976 | 2009 | 4.50 | 8 | 0.20 | 15 | 3.00 | |
| | Lavi, Royi | | | 1728 | ISR | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Shani, Amichai | | | 2101 | ISR | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Maman, Emanuel | | | 1953 | ISR | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Zelkind, Simeon | | | 1789 | ISR | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Zurel, Maxim | | | 1929 | ISR | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Portnoy, Matan | | | 2007 | ISR | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Berman, Mark | | | 2180 | ISR | 1.00 | 1 | 0.73 | 15 | 10.95 | | | Sheshkin, Matan | | | 2121 | ISR | 0.00 | 1 | -0.35 | 15 | -5.25 | |
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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