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Individual Calculations September 2013 |
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| Vaisberg, Michael Total change: -9.00 | |   |
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| Macabbiah 2013 Open | Jerusalem | ISR | 2013-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1828 | 2058 | 4.00 | 7 | -1.45 | 30 | -43.50 | |
|  Landa, Alex | | | 1875 | ISR | 0.50 | 1 | -0.24 | 30 | -7.20 | |  Levitan, Tal | | | 1718 | ISR | 0.50 | 1 | -0.38 | 30 | -11.40 | | | Poleg, Dan | | | 1847 | ISR | 0.00 | 1 | -0.77 | 30 | -23.10 | | | Zurel, Maxim | | | 1782 | ISR | 1.00 | 1 | 0.17 | 30 | 5.10 | | | Tiktin, Yoav | | | 1905 | ISR | 0.00 | 1 | -0.70 | 30 | -21.00 | | | Levitan, Julia | | | 1730 | ISR | 1.00 | 1 | 0.13 | 30 | 3.90 | | | Dayan Sutton, Isaac | | | 1939 | MEX | 1.00 | 1 | 0.34 | 30 | 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) | | | | Gideon Japhet International Open B | Jerusalem | ISR | 2013-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2005 | 2058 | 4.00 | 5 | 1.15 | 30 | 34.50 | |
| | Rave, Avraham | | | 1834 | ISR | 1.00 | 1 | 0.22 | 30 | 6.60 | | | Ritbo, Dan | | | 1943 | ISR | 1.00 | 1 | 0.34 | 30 | 10.20 | | | Slonimskij, Arkadij | | | 2177 | RUS | 0.50 | 1 | 0.16 | 30 | 4.80 | | | Golbart, Vadim | | | 2075 | ISR | 0.50 | 1 | 0.02 | 30 | 0.60 | | | Gofshtein, Semion | | | 1994 | ISR | 1.00 | 1 | 0.41 | 30 | 12.30 | |
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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