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Individual Calculations April 2018 |
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| Peretz, Malkiel Total change: -45.20 | |   |
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| Nat. Ch. Quarterfinal 2018 Petah Tikva | Petah Tikva | ISR | 2018-01-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1981 | 2229 | 4.00 | 8 | -2.26 | 20 | -45.20 | |
|  Hadari, Ariel | | | 1968 | ISR | 0.00 | 1 | -0.82 | 20 | -16.40 | |  Bin-Nun, Peleg | | | 2020 | ISR | 0.00 | 1 | -0.77 | 20 | -15.40 | | | Gradenwitz, Oded | | | 1829 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gershkowich, David | f | | 2242 | ISR | 0.00 | 1 | -0.48 | 20 | -9.60 | | | Sherman, Reem | | | 1829 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Tzidkiya, Yeshaayahu | | | 2050 | ISR | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Cohen, Hanan | | | 1829 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Menkes, Shlomo | | | 2078 | ISR | 0.00 | 1 | -0.70 | 20 | -14.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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