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Individual Calculations January 2019 |
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| Koren, Yair Total change: 23.60 | |   |
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| Artzit Youth League - North 2018/9 5-7 | Various | ISR | 2018-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1761 | 1476 | 0.00 | 2 | -0.36 | 40 | -14.40 | |
|  Pounko, Ariel | | | 1646 | ISR | 0.00 | 1 | -0.28 | 40 | -11.20 | |  Levin, Daniel | | | 1876 * | ISR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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 U15 Qualifier 2018 Center | Kiryat Ono | ISR | 2018-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1461 | 1476 | 2.50 | 3 | 0.95 | 40 | 38.00 | |
| | Bercovich, Asaf | | | 1294 | ISR | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Nagar, Or | | | 1562 | ISR | 1.00 | 1 | 0.62 | 40 | 24.80 | | | Segal, Amitai | | | 1528 | ISR | 0.50 | 1 | 0.07 | 40 | 2.80 | |
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) | | |
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