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Individual Calculations September 2017 |
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| Gorshtein, Ido Total change: 41.20 | |   |
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| Kfar Saba Weekend 2017 A | Kfar Saba | ISR | 2017-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2346 | 2145 | 2.00 | 5 | 0.75 | 40 | 30.00 | |
|  Aharon, Ofir | f | | 2343 | ISR | 1.00 | 1 | 0.76 | 40 | 30.40 | |  Finkel, Alexander | g | | 2492 | ISR | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Shutzman, Joseph | f | | 2275 | USA | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Poleg, Dan | f | | 2232 | ISR | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Zilberman, Yaacov | g | | 2388 | ISR | 0.50 | 1 | 0.30 | 40 | 12.00 | |
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) | | | | Herzliya Summer Festival 2017 Open A | Herzliya | ISR | 2017-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2183 | 2148 | 3.50 | 7 | 0.28 | 40 | 11.20 | |
| | Baron, Tal | g | | 2548 * | ISR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Sokolovsky, Yahli | | | 1866 | ISR | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Kobo, Ori | m | | 2497 | ISR | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Levi, Yoel | | | 1850 | ISR | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Caspi, Israel | m | | 2478 | ISR | 0.50 | 1 | 0.38 | 40 | 15.20 | | | Aharonovich, Itamar | f | | 2294 | ISR | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Guz, Ari | | | 1748 * | 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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