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Individual Calculations September 2009 |
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| Yudkovsky, Yair Total change: 38.40 | |   |
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| ISR 2nd League North 2009 | Various | ISR | 2009-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2152 | 2244 | 7.50 | 9 | 1.94 | 15 | 29.10 | |
|  Karp, Michael | f | | 2280 | ISR | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Volman, Horacio | | | 2175 | ISR | 1.00 | 1 | 0.40 | 15 | 6.00 | |  Porat, Daniel | | | 2210 | ISR | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Steinberg, Nitzan | | | 1917 | ISR | 0.50 | 1 | -0.37 | 15 | -5.55 | | | Malinarski, Yehuda | | | 2101 | ISR | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Berman, Mark | | | 2180 | ISR | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Gelfand, Dimitry | | | 2178 | RUS | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Markovits, Yosi | | | 2098 | ISR | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Krull, Michael | | | 2227 | ISR | 0.50 | 1 | -0.02 | 15 | -0.30 | |
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 |
| 2342 | 2244 | 2.50 | 5 | 0.62 | 15 | 9.30 | |
| | Tal, Eyal | | | 2028 | ISR | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Haimovich, Tal | m | | 2414 | ISR | 1.00 | 1 | 0.72 | 15 | 10.80 | | | Greenfeld, Alon | g | | 2542 | ISR | 0.50 | 1 | 0.35 | 15 | 5.25 | | | Zaslavsky, Mikhail | f | | 2360 | ISR | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Kudischewitsch, David | m | | 2366 | RUS | 0.00 | 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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