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Individual Calculations April 2018 |
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| Zemach, Roee Total change: 118.80 | |   |
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| Nat. Ch. Quarterfinal 2018 Herzliya | Herzliya | ISR | 2018-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1962 | 1975 | 6.00 | 9 | 1.35 | 36 | 48.60 | |
|  Guz, Ari | | | 1780 | ISR | 0.50 | 1 | -0.25 | 36 | -9.00 | |  Shocron, Alon | | | 1848 | ISR | 0.50 | 1 | -0.17 | 36 | -6.12 | | | Parnes, Nadav | | | 1904 | ISR | 1.00 | 1 | 0.40 | 36 | 14.40 | | | Horowitz, Guy | | | 1635 | ISR | 1.00 | 1 | 0.12 | 36 | 4.32 | | | Gershkowich, David | f | | 2242 | ISR | 1.00 | 1 | 0.82 | 36 | 29.52 | | | Lavi, Idan | | | 2101 | ISR | 0.00 | 1 | -0.33 | 36 | -11.88 | | | Solomon, Asif | | | 2034 | ISR | 1.00 | 1 | 0.58 | 36 | 20.88 | | | Aroesti, Roee | f | | 2229 | ISR | 0.50 | 1 | 0.31 | 36 | 11.16 | | | Mizrahi, Ido | | | 1882 | ISR | 0.50 | 1 | -0.13 | 36 | -4.68 | |
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) | | | | Liga Alef Hadarim 2018 Round 5 | various | ISR | 2018-03-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2359 | 1959 | 0.50 | 1 | 0.42 | 36 | 15.12 | |
| | Bagrationi, Alexander | g | | 2359 * | UKR | 0.50 | 1 | 0.42 | 36 | 15.12 | | | * 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) | | | | Israel Youth Championship Final 2018 U16 | Hakfar Hayarok | ISR | 2018-03-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2012 | 1959 | 5.50 | 9 | 1.53 | 36 | 55.08 | |
| | Globus, Or | f | | 2359 * | ISR | 0.50 | 1 | 0.42 | 36 | 15.12 | | | Kadria, Shay | | | 1901 | ISR | 0.50 | 1 | -0.08 | 36 | -2.88 | | | Slobodiansky, Steven | | | 2064 | ISR | 1.00 | 1 | 0.64 | 36 | 23.04 | | | Zhimalov, Adam | | | 2001 | ISR | 0.00 | 1 | -0.44 | 36 | -15.84 | | | Ehrlich, Roy | | | 1956 | ISR | 1.00 | 1 | 0.50 | 36 | 18.00 | | | Tzidkiya, Yeshaayahu | | | 2096 | ISR | 0.50 | 1 | 0.18 | 36 | 6.48 | | | Fainman, Tomer | | | 1980 | ISR | 0.00 | 1 | -0.47 | 36 | -16.92 | | | Levy, Zohar | | | 1788 | ISR | 1.00 | 1 | 0.27 | 36 | 9.72 | | | Yaniv, Ori | | | 1965 | ISR | 1.00 | 1 | 0.51 | 36 | 18.36 | | | * 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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