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Individual Calculations September 2013 |
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| Gershkowich, David Total change: -17.70 | |   |
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| Ramat-Gan/Givatayim Summer 2013 | Ramat Gan | ISR | 2013-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2105 | 2196 | 2.00 | 5 | -1.07 | 15 | -16.05 | |
|  Drori, Saar | c | | 1983 | ISR | 0.50 | 1 | -0.27 | 15 | -4.05 | |  Shik, Tim | | | 1946 | ISR | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Arlinsky, Uriel | f | | 2321 | ISR | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Levine, Yonatan | | | 2071 | ISR | 0.00 | 1 | -0.67 | 15 | -10.05 | | | Gamayev, Oleg | | | 2206 | ISR | 0.50 | 1 | 0.01 | 15 | 0.15 | |
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 A | Jerusalem | ISR | 2013-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2178 | 2202 | 2.00 | 4 | -0.11 | 15 | -1.65 | |
| | Gofshtein, Leonid | g | | 2460 | ISR | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Gorodetzky, David | | | 1930 | ISR | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Arlinsky, Uriel | f | | 2328 | ISR | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Levinsky, Gregory | | | 1992 | ISR | 1.00 | 1 | 0.23 | 15 | 3.45 | |
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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