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Individual Calculations July 2009 |
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| Polyakov, Alex Total change: -11.55 | |   |
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| Israel National League 2009 | Various | ISR | 2009-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2348 | 2268 | 2.00 | 7 | -0.77 | 15 | -11.55 | |
|  Nesterovsky, Alex | | | 2249 | ISR | 0.50 | 1 | -0.03 | 15 | -0.45 | |  Kantsler, Boris | g | | 2483 | ISR | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Axelrod, Arie | | | 2258 | ISR | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Katzir, Moshe | | | 2279 | ISR | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Birnboim, Nathan | m | | 2319 | ISR | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Khmelniker, Ilya | m | | 2479 | ISR | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Sidorenko, Ilya | | | 2370 | ISR | 0.00 | 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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