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Individual Calculations January 2019 |
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| Weissberg, Yair Total change: 37.60 | |   |
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| Artzit Youth League - Center 2018/9 5-7 | Various | ISR | 2018-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1390 | 1337 | 2.00 | 3 | 0.71 | 40 | 28.40 | |
|  Almog, Shani | | | 1401 | ISR | 0.50 | 1 | 0.09 | 40 | 3.60 | |  Vetshtein, Lior | | | 1526 | ISR | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Keysar, Or | | | 1242 | ISR | 1.00 | 1 | 0.37 | 40 | 14.80 | |
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 U11 Qualifier 2018 Center | Kiryat Ono | ISR | 2018-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1264 | 1384 | 3.50 | 5 | 0.23 | 40 | 9.20 | |
| | Rosenberg, Guy | | | 1113 | ISR | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Goz, Itay | | | 1185 | ISR | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Giler, Shon | | | 1273 | ISR | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Leib, Yoni | | | 1435 | ISR | 0.50 | 1 | 0.07 | 40 | 2.80 | | | Kravchenko, Danny | | | 1313 | ISR | 0.50 | 1 | -0.10 | 40 | -4.00 | |
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) | | |
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