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Rapid:
Individual Calculations January 2018 |
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| Zemach, Roee Total change: -12.60 | |   |
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| Hanukka Rapid Mark Center 2017 Open | Tel Aviv | ISR | 2017-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1705 | 1931 | 3.50 | 5 | -0.34 | 20 | -6.80 | |
|  Zaslavsky, Oleg | | | 1531 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Katsnelson, Leonard | | | 1616 | ISR | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Tiktin, Dor | | | 1773 | ISR | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Levin, Guy | | | 1785 | ISR | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Yaniv, Yuval | | | 1820 | ISR | 0.00 | 1 | -0.65 | 20 | -13.00 | | | * 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) | | | | Israel Youth Championship U15 Qualifier 2017 Center | Givatayim | ISR | 2017-12-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1760 | 1931 | 4.00 | 6 | -0.29 | 20 | -5.80 | |
| | Sitbon, Itay | | | 1672 | ISR | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Yaniv, Ori | | | 1871 | ISR | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Shetah, Roi | | | 1623 | ISR | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Zhimalov, Adam | | | 1743 | ISR | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Levin, Guy | | | 1785 | ISR | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Sokolovsky, Yahli | | | 1867 | ISR | 0.50 | 1 | -0.09 | 20 | -1.80 | |
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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