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Individual Calculations September 2009 |
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| Berman, Mark Total change: -54.30 | |   |
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| ISR 2nd League North 2009 | Various | ISR | 2009-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2175 | 2180 | 1.50 | 7 | -2.01 | 15 | -30.15 | |
|  Lerner, Oleg | | | 2262 | ISR | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Vitebsky, Georgy | | | 2231 | ISR | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Yudkovsky, Yair | | | 2244 | ISR | 0.00 | 1 | -0.41 | 15 | -6.15 | |  Izrailov, Zecharia | | | 2180 | ISR | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Steinberg, Nitzan | | | 1917 | ISR | 0.00 | 1 | -0.82 | 15 | -12.30 | | | Malinarski, Yehuda | | | 2101 | ISR | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Kraidman, Yair | g | | 2290 | ISR | 0.50 | 1 | 0.15 | 15 | 2.25 | |
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) | | | | Maccabiah 2009 Intl Open | Natanya | ISR | 2009-07-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1968 | 2180 | 3.00 | 6 | -1.61 | 15 | -24.15 | |
| | Veinberg, Nimrod | | | 1869 | ISR | 0.50 | 1 | -0.36 | 15 | -5.40 | | | Zilbershtein, Victor | | | 1911 | ISR | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Levitsky, Artur | | | 2037 | ISR | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Maman, Emanuel | | | 1953 | ISR | 0.50 | 1 | -0.29 | 15 | -4.35 | | | Belokopyt, Boris | | | 2026 | RUS | 0.50 | 1 | -0.21 | 15 | -3.15 | | | Hadari, Ariel | | | 2009 | ISR | 0.00 | 1 | -0.73 | 15 | -10.95 | |
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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