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Individual Calculations May 2018 |
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| Rosenzweig, Itzhak Total change: -8.80 | |   |
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| 33rd Czerniak Memorial 2018 Open B | Tel Aviv | ISR | 2018-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1667 | 1936 | 4.00 | 5 | -0.10 | 20 | -2.00 | |
|  Dror, Levi | | | 1678 | ISR | 1.00 | 1 | 0.18 | 20 | 3.60 | |  Zilbershtein, Victor | | | 1738 | ISR | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Sobel, Ido | | | 1642 | ISR | 0.00 | 1 | -0.85 | 20 | -17.00 | | | Vinarsky, Vyacheslav | | | 1536 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Yablonko, Eyal | | | 1743 | ISR | 1.00 | 1 | 0.25 | 20 | 5.00 | | | * 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) | | | | Round 7-8 | various | ISR | 2018-04-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1992 | 1936 | 0.50 | 2 | -0.34 | 20 | -6.80 | |
| | Erentroy, Yehuda | | | 1999 | ISR | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Keselman, Vjachaslav | | | 1984 | ISR | 0.00 | 1 | -0.43 | 20 | -8.60 | |
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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