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Individual Calculations September 2021 |
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| Menahem, Adi Total change: 89.20 | |   |
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| Chess4all- Summer in Savyon A | Savyon | ISR | 2021-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1878 | 1719 | 3.00 | 4 | 1.72 | 40 | 68.80 | |
|  Soybert, Ori | | | 1377 | ISR | 1.00 | 1 | 0.12 | 40 | 4.80 | |  Friedland, Eldar | | | 2092 | ISR | 1.00 | 1 | 0.90 | 40 | 36.00 | | | Aronin, Pavel | | | 2009 | MNC | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Noy, Eyal | | | 2034 | ISR | 1.00 | 1 | 0.86 | 40 | 34.40 | |
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) | | | | Liga Alef Zafon Yom Hol 2021 Round 9 - 10 | Various | ISR | 2021-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1643 | 1719 | 0.50 | 1 | -0.10 | 40 | -4.00 | |
| | Postny, Michael | | | 1643 | 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) | | | | Summer Haifa-Nesher | Haifa | ISR | 2021-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2006 | 1725 | 1.50 | 5 | 0.61 | 40 | 24.40 | |
| | Levitan, Tal | | | 2125 * | ISR | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Klevansky, Aron | c | | 1878 | RSA | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Weintraub, Amit | | | 1954 | ISR | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Axelrod, Arie | f | | 2125 * | ISR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Cherikovsky, Yuri | | | 1950 | ISR | 0.50 | 1 | 0.28 | 40 | 11.20 | | | * 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) | | |
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