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Individual Calculations September 2009 |
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| Aharon, Ofir Total change: 54.60 | |   |
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| ISR 2nd League North 2009 | Various | ISR | 2009-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2261 | 2142 | 6.50 | 10 | 3.05 | 15 | 45.75 | |
|  Gransky, Michael | f | | 2302 | ISR | 1.00 | 1 | 0.71 | 15 | 10.65 | |  Vitebsky, Georgy | | | 2231 | ISR | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Bereslavsky, Michael | | | 2191 | RUS | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Weisbuch, Udi | | | 2302 | ISR | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Vaissenberg, Pavel | | | 2322 | ISR | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Grinshpun, Eduard | m | | 2433 | RUS | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Karp, Michael | f | | 2280 | ISR | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Malinarski, Yehuda | | | 2101 | ISR | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Areliuk, Michael | | | 2262 | ISR | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Blodstein, B. | | | 2186 | ISR | 0.50 | 1 | 0.06 | 15 | 0.90 | |
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) | | | | KFS Weekend 2009 | Kfar Saba | ISR | 2009-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2247 | 2137 | 2.50 | 5 | 0.59 | 15 | 8.85 | |
| | Zilberman, Yaacov | g | | 2439 | ISR | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Portnoy, Matan | | | 2007 | ISR | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Gruenfeld, Yehuda | g | | 2490 | ISR | 0.50 | 1 | 0.39 | 15 | 5.85 | | | Steinberg, Nitzan | | | 2044 | ISR | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Shutzman, Joseph | f | | 2255 | USA | 0.50 | 1 | 0.16 | 15 | 2.40 | |
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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