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Individual Calculations September 2017 |
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| Klein, Boris Total change: -31.00 | |   |
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| Kfar Saba Weekend 2017 B | Kfar Saba | ISR | 2017-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1812 | 1954 | 3.00 | 5 | -0.38 | 20 | -7.60 | |
|  Levy, Zohar | | | 1689 | ISR | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Calabrese, Gabriel | | | 2107 | ISR | 0.00 | 1 | -0.30 | 20 | -6.00 | |  Rozen, Eytan | | | 1751 | ISR | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Gera, Dan | | | 1703 | ISR | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Barak, Gil | | | 1809 | ISR | 1.00 | 1 | 0.31 | 20 | 6.20 | |
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) | | | | Herzliya Summer Festival 2017 Open B | Herzliya | ISR | 2017-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1608 | 1954 | 5.00 | 7 | -1.17 | 20 | -23.40 | |
| | Lazevnikov, Yefim | | | 1567 | ISR | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Perry, Tal | | | 1606 | ISR | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Shukrun, Alon | | | 1621 | ISR | 0.00 | 1 | -0.88 | 20 | -17.60 | | | Cohen, Dvir | | | 1555 | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Fudim, Binyamin | | | 1748 | ISR | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Sobel, Ido | | | 1554 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Fudim, Ariel | | | 1604 * | ISR | 1.00 | 1 | 0.11 | 20 | 2.20 | | | * 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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