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Individual Calculations April 2018 |
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| Weissberg, Yair Total change: 2.40 | |   |
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| Ramat Gan Masters Winter 2018 A | Ramat Gan | ISR | 2018-01-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1458 | 1327 | 3.00 | 7 | 0.58 | 40 | 23.20 | |
|  Bejashvili, Irma | | | 1619 | ISR | 0.00 | 1 | -0.15 | 40 | -6.00 | |  Lavi, Amir | | | 1433 | ISR | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Duchan, Yoav | | | 1261 | ISR | 1.00 | 1 | 0.41 | 40 | 16.40 | | | Bialik, Eyal | | | 1441 | ISR | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Bialik, Ofer | | | 1166 | ISR | 0.50 | 1 | -0.21 | 40 | -8.40 | | | Etingof, Yury | | | 1631 | ISR | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Sobel, Ido | | | 1654 | ISR | 0.00 | 1 | -0.13 | 40 | -5.20 | |
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 Bet Center (Saturdays) 2018 Round 5 | various | ISR | 2018-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1603 | 1307 | 0.00 | 1 | -0.15 | 40 | -6.00 | |
| | Gani, Itai | | | 1603 | ISR | 0.00 | 1 | -0.15 | 40 | -6.00 | |
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 Cadet Championship Final 2018 U10 | Hakfar Hayarok | ISR | 2018-03-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1333 | 1307 | 2.00 | 5 | -0.37 | 40 | -14.80 | |
| | Uritsky, Yonathan | | | 1610 | ISR | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Gabizon, Gal | | | 1199 | ISR | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Engel, Bar | | | 1275 | ISR | 0.00 | 1 | -0.54 | 40 | -21.60 | | | Kravchenko, Danny | | | 1305 | ISR | 0.00 | 1 | -0.50 | 40 | -20.00 | | | Shecht, Lihu | | | 1277 | ISR | 1.00 | 1 | 0.46 | 40 | 18.40 | |
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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