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Individual Calculations September 2013 |
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| Ritbo, Dan Total change: -54.00 | |   |
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| Gideon Japhet International Open B | Jerusalem | ISR | 2013-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1964 | 1943 | 1.00 | 3 | -0.41 | 30 | -12.30 | |
|  Dermer, Moshe | | | 1872 | ISR | 1.00 | 1 | 0.40 | 30 | 12.00 | | | Vaisberg, Michael | | | 2058 | ISR | 0.00 | 1 | -0.34 | 30 | -10.20 | |  Waisberg, Arnold | | | 1962 | ISR | 0.00 | 1 | -0.47 | 30 | -14.10 | |
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) | | | | Grand Prize 2013 Youth | Tel Aviv | ISR | 2013-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1785 | 1943 | 2.00 | 5 | -1.39 | 30 | -41.70 | |
| | Feldman, Antony | | | 1615 | ISR | 0.00 | 1 | -0.87 | 30 | -26.10 | | | Ben-Simon, Eden | | | 1780 | ISR | 1.00 | 1 | 0.28 | 30 | 8.40 | | | Vuller, Victoria | | | 1543 * | ISR | 1.00 | 1 | 0.08 | 30 | 2.40 | | | Veinberg, Nimrod | | | 2164 | ISR | 0.00 | 1 | -0.22 | 30 | -6.60 | | | Ofir, Eran | | | 1824 | ISR | 0.00 | 1 | -0.66 | 30 | -19.80 | | | * 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) | | |
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