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Individual Calculations September 2017 |
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| Perry, Tal Total change: 18.80 | |   |
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| Herzliya Summer Festival 2017 Open B | Herzliya | ISR | 2017-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1608 | 1606 | 4.00 | 7 | 0.47 | 40 | 18.80 | |
|  Dayan, Itay | | | 1415 | ISR | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Klein, Boris | | | 1954 | ISR | 0.00 | 1 | -0.11 | 40 | -4.40 | |  Elsner, Yair | | | 1409 | ISR | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Dobkin, Uri | | | 1724 | ISR | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Sobel, Ido | | | 1546 | ISR | 0.50 | 1 | -0.08 | 40 | -3.20 | | | Cohen, Elad | | | 1564 | ISR | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Shetah, Roi | | | 1647 | ISR | 0.00 | 1 | -0.44 | 40 | -17.60 | |
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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