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Individual Calculations December 2015 |
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| Bernstein, Nathan Total change: 86.00 | |   |
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| National Championship Quarterfinal 2015 Zim Haifa | Haifa | ISR | 2015-09-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1941 | 1984 | 3.50 | 7 | -0.39 | 40 | -15.60 | |
|  Rave, Avraham | | | 1794 | ISR | 1.00 | 1 | 0.25 | 40 | 10.00 | |  Maman, Emanuel | | | 1795 | ISR | 0.50 | 1 | -0.25 | 40 | -10.00 | | | Blaushtain, Boris | | | 2006 | ISR | 1.00 | 1 | 0.53 | 40 | 21.20 | | | Shternberg, Zvi | | | 1871 | ISR | 0.00 | 1 | -0.65 | 40 | -26.00 | | | Cohen, Avi | | | 1932 | USA | 0.00 | 1 | -0.57 | 40 | -22.80 | | | Volman, Horacio | | | 2130 | ISR | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Zorella, Benzion | | | 2057 | ISR | 1.00 | 1 | 0.60 | 40 | 24.00 | |
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) | | | | World Senior Championship 2015 - over 65 | Acqui Terme | ITA | 2015-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2095 | 1984 | 6.50 | 11 | 2.54 | 40 | 101.60 | |
| | Birnboim, Nathan | m | | 2360 | ISR | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Vegvari, Ferenc | | | 1762 | HUN | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Agzamov, Valeriy | | | 2180 | UZB | 1.00 | 1 | 0.75 | 40 | 30.00 | | | Boitsov, Gennadij | | | 2165 | RUS | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Valenti, Giuseppe | f | | 2097 | ITA | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Archangelsky, Mikhail | m | | 2110 | RUS | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Sprotte, Norbert | | | 2202 | GER | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Trois, Francisco R.t. | m | | 2230 | BRA | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Shamis, Mordehay | | | 1746 | ISR | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Lauritsen, Niels | | | 2109 | DEN | 0.50 | 1 | 0.17 | 40 | 6.80 | | | Gosch, Manfred | | | 2088 | SUI | 1.00 | 1 | 0.64 | 40 | 25.60 | |
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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