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Rapid:
Individual Calculations September 2017 |
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| Kotler, Yiftah Total change: 42.40 | |   |
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| Israel Youth Team Championship 2017 U18 | Beit Meir | ISR | 2017-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1801 | 1615 | 2.50 | 6 | 0.69 | 20 | 13.80 | |
|  Lisak, Rotem | | | 1389 | ISR | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Chachashvili, Zuri | | | 1925 | ISR | 0.50 | 1 | 0.36 | 20 | 7.20 | |  Gitzman, Michael | | | 1905 | ISR | 1.00 | 1 | 0.84 | 20 | 16.80 | | | Lukin, Elisha | | | 1985 | ISR | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Gorshtein, Ido | | | 2015 * | ISR | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Katkov, Michelle | | wf | 1588 | ISR | 0.00 | 1 | -0.54 | 20 | -10.80 | | | * 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) | | | | Herzliya Summer Festival Junior Rapid 2017 | Herzliya | ISR | 2017-08-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1426 | 1615 | 5.00 | 5 | 1.43 | 20 | 28.60 | |
| | Cohen, Asaf | | | 1229 | ISR | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Amiel, Roy | | | 1502 | ISR | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Goldenberg, Shay | | | 1259 | ISR | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Shukrun, Alon | | | 1519 | ISR | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Shapira, Gal | | | 1619 | ISR | 1.00 | 1 | 0.51 | 20 | 10.20 | |
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) | | |
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