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Individual Calculations September 2021 |
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| Gavriely, Or Total change: 64.44 | |   |
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| Chess4all- Summer in Savyon A | Savyon | ISR | 2021-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1696 | 1737 | 2.00 | 3 | 0.28 | 36 | 10.08 | |
|  Neeman, Ori | | | 1507 | ISR | 1.00 | 1 | 0.21 | 36 | 7.56 | |  Levin, Guy | f | | 2137 * | ISR | 0.00 | 1 | -0.08 | 36 | -2.88 | | | Sason, Noam | | | 1443 | ISR | 1.00 | 1 | 0.15 | 36 | 5.40 | | | * 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) | | | | Kiryat Ono Summer 2021 A | Kiryat Ono | ISR | 2021-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1681 | 1737 | 3.50 | 5 | 0.61 | 36 | 21.96 | |
| | Ostrovsky Berman, Noam | | | 1673 | ISR | 1.00 | 1 | 0.41 | 36 | 14.76 | | | Kochavi, Dana | | | 1651 | ISR | 0.50 | 1 | -0.12 | 36 | -4.32 | | | Duchan, Yoav | | | 1624 | ISR | 0.50 | 1 | -0.15 | 36 | -5.40 | | | Qasem, Muhamad Mody | | | 1557 | ISR | 1.00 | 1 | 0.26 | 36 | 9.36 | | | Verny, David | | | 1898 | ISR | 0.50 | 1 | 0.21 | 36 | 7.56 | |
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 Shfela 2021 Round 9 | Various | ISR | 2021-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2001 | 1737 | 0.00 | 1 | -0.18 | 36 | -6.48 | |
| | Federovski, Adi | | | 2001 | ISR | 0.00 | 1 | -0.18 | 36 | -6.48 | |
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) | | | | Maccabi Ramat Gan Chess Championship 2021 A | Ramat Gan | ISR | 2021-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1974 | 1853 | 2.50 | 5 | 0.64 | 36 | 23.04 | |
| | Aizenberg, Benny | f | | 2253 * | ISR | 0.50 | 1 | 0.42 | 36 | 15.12 | | | Shohat, Yotam | f | | 2253 * | ISR | 0.00 | 1 | -0.08 | 36 | -2.88 | | | Sitbon, Itay | | | 1866 | ISR | 0.50 | 1 | 0.02 | 36 | 0.72 | | | Shilon Rahav, Eliran | | | 1535 | ISR | 1.00 | 1 | 0.13 | 36 | 4.68 | | | Friedland, Eldar | | | 1962 | ISR | 0.50 | 1 | 0.15 | 36 | 5.40 | | | * 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) | | | | Max Mit Memorial 2021 A | Rishon Lezion | ISR | 2021-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2042 | 1853 | 2.00 | 5 | 0.44 | 36 | 15.84 | |
| | Sokolovsky, Yahli | f | | 2253 * | ISR | 0.00 | 1 | -0.08 | 36 | -2.88 | | | Shohat, Yotam | f | | 2253 * | ISR | 0.00 | 1 | -0.08 | 36 | -2.88 | | | Kupervaser, Erez | f | | 2253 * | ISR | 0.00 | 1 | -0.08 | 36 | -2.88 | | | Vardi, Shlomit | | | 1823 | ISR | 1.00 | 1 | 0.46 | 36 | 16.56 | | | Shefer, Uri | | | 1628 | ISR | 1.00 | 1 | 0.22 | 36 | 7.92 | | | * 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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