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Individual Calculations July 2009 |
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| Kudischewitsch, David Total change: -1.50 | |   |
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| Israel National League 2009 | Various | ISR | 2009-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2337 | 2349 | 3.50 | 7 | -0.09 | 10 | -0.90 | |
|  Bruk, Ofer | m | | 2456 | ISR | 0.50 | 1 | 0.15 | 10 | 1.50 | |  Arlinsky, Uriel | | | 2277 | ISR | 1.00 | 1 | 0.40 | 10 | 4.00 | | | Kaplan, Sasha | m | | 2418 | ISR | 1.00 | 1 | 0.60 | 10 | 6.00 | | | Paz, Mayan | | | 2311 | ISR | 1.00 | 1 | 0.45 | 10 | 4.50 | | | Porat, David | f | | 2196 | ISR | 0.00 | 1 | -0.70 | 10 | -7.00 | | | Kundin, Alexander | m | | 2368 | ISR | 0.00 | 1 | -0.47 | 10 | -4.70 | | | Neimer, Vitaly | | | 2336 | ISR | 0.00 | 1 | -0.52 | 10 | -5.20 | |
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) | | | | Shlakman Memorial 2009 | Natanya | ISR | 2009-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2123 | 2367 | 6.00 | 7 | 0.45 | 10 | 4.50 | |
| | Volkov, Yuri | | | 2055 | ISR | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Hasidovski, Arnold | | | 2119 | ISR | 0.50 | 1 | -0.31 | 10 | -3.10 | | | Lurie, Michael | | | 2303 | ISR | 1.00 | 1 | 0.41 | 10 | 4.10 | | | Hasidovsky, Michael | | | 2135 | ISR | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Lipes, Yosef | | | 2176 | ISR | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Zror, Oren | | | 2017 | ISR | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Kopaloff, Nick | | | 2053 | ISR | 0.50 | 1 | -0.36 | 10 | -3.60 | |
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) | | | | Elitzur Stav 2009 | Petach Tikva | ISR | 2009-04-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2324 | 2367 | 4.50 | 9 | -0.51 | 10 | -5.10 | |
| | Arlinsky, Uriel | | | 2235 | ISR | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Gershkowich, David | f | | 2340 | ISR | 0.50 | 1 | -0.04 | 10 | -0.40 | | | Nisman, Boris I | m | | 2374 | RUS | 0.50 | 1 | 0.01 | 10 | 0.10 | | | Neimer, Vitaly | f | | 2344 | ISR | 0.50 | 1 | -0.03 | 10 | -0.30 | | | Yaacov, Avi | | | 2186 | ISR | 0.50 | 1 | -0.24 | 10 | -2.40 | | | Klenburg, Mikhail | m | | 2429 | UKR | 0.50 | 1 | 0.09 | 10 | 0.90 | | | Nesterovsky, Alex | | | 2255 | ISR | 0.00 | 1 | -0.65 | 10 | -6.50 | | | Kalka, Arkadius Georg | f | | 2397 | GER | 1.00 | 1 | 0.54 | 10 | 5.40 | | | Sidorenko, Ilya | | | 2357 | ISR | 0.50 | 1 | -0.01 | 10 | -0.10 | |
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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