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Individual Calculations September 2021 |
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| Shilon Rahav, Eliran Total change: 43.20 | |   |
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| Chess4all- Summer in Savyon A | Savyon | ISR | 2021-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1594 | 1518 | 1.00 | 4 | -0.71 | 40 | -28.40 | |
|  Levin, Guy | f | | 1918 * | ISR | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Eshkol, Lilian | | | 1429 | ISR | 0.00 | 1 | -0.62 | 40 | -24.80 | | | Blumenthal, Michael | | | 1504 | ISR | 0.00 | 1 | -0.52 | 40 | -20.80 | | | Harel, Ori | | | 1524 | ISR | 1.00 | 1 | 0.51 | 40 | 20.40 | | | * 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) | | | | Maccabi Ramat Gan Chess Championship 2021 A | Ramat Gan | ISR | 2021-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1876 | 1535 | 1.50 | 5 | 0.90 | 40 | 36.00 | |
| | Lahav, Michal | | wm | 1935 * | ISR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Tsirilman, Guy | | | 1935 * | ISR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Levy, Zohar | | | 1855 | ISR | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Gavriely, Or | | | 1853 | ISR | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Duchan, Yoav | | | 1802 | ISR | 1.00 | 1 | 0.82 | 40 | 32.80 | | | * 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) | | | | Israeli team U14 championship, Nahum Naftali memorial | Afula | ISR | 2021-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1253 | 1535 | 5.00 | 5 | 0.89 | 40 | 35.60 | |
| | Goz, Shachar | | | 1243 | ISR | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Kedar, Shilo | | | 1314 | ISR | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Shtaif, Matan | | | 1135 * | ISR | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Sternfeld, Tomer | | | 1436 | ISR | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Sagi, Alon | | | 1135 * | ISR | 1.00 | 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) | | |
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