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Individual Calculations July 2009 |
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| Arlinsky, Uriel Total change: -1.35 | |   |
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| Israel National League 2009 | Various | ISR | 2009-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2334 | 2277 | 0.00 | 2 | -0.84 | 15 | -12.60 | |
|  Kudischewitsch, David | m | | 2349 | RUS | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Birnboim, Nathan | m | | 2319 | ISR | 0.00 | 1 | -0.44 | 15 | -6.60 | |
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 |
| 2339 | 2235 | 4.00 | 9 | 0.75 | 15 | 11.25 | |
| | Kudischewitsch, David | m | | 2367 | RUS | 0.50 | 1 | 0.18 | 15 | 2.70 | |  Nesterovsky, Alex | | | 2255 | ISR | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Kalka, Arkadius Georg | f | | 2397 | GER | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Sidorenko, Ilya | | | 2357 | ISR | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Klenburg, Mikhail | m | | 2429 | UKR | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Gershkowich, David | f | | 2340 | ISR | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Nisman, Boris I | m | | 2374 | RUS | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Neimer, Vitaly | f | | 2344 | ISR | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Yaacov, Avi | | | 2186 | ISR | 0.50 | 1 | -0.07 | 15 | -1.05 | |
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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