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Individual Calculations January 2012 |
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| Dvir, Ofir Total change: 2.25 | |   |
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| Israel U18 League 2012 | Various | ISR | 2011-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2154 | 2075 | 2.50 | 5 | 0.49 | 15 | 7.35 | |
|  Svoisky, Daniel | | | 2175 | ISR | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Poleg, Matan | | | 1984 | ISR | 1.00 | 1 | 0.38 | 15 | 5.70 | |  Boruchovsky, Avital | | | 2327 | ISR | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Beker, Ziv | | | 2002 | ISR | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Steinberg, Nitzan | | | 2280 | ISR | 0.50 | 1 | 0.26 | 15 | 3.90 | |
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 Mark Centre 2011 | Tel Aviv | ISR | 2011-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1965 | 2060 | 4.00 | 7 | -0.34 | 15 | -5.10 | |
| | Gelman, Hagai | | | 1805 | ISR | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Blass, Uri | | | 1992 | ISR | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Zak, Uriel | m | | 2269 | ISR | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Ulman, Victor | | | 1819 | ISR | 0.50 | 1 | -0.30 | 15 | -4.50 | | | Lotsov Har-Zahav, Avraham | | | 1947 | ISR | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Bar-Or, Ornan | | | 1993 | ISR | 0.00 | 1 | -0.59 | 15 | -8.85 | | | Shternberg, Zvi | | | 1931 | ISR | 1.00 | 1 | 0.33 | 15 | 4.95 | |
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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