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Individual Calculations January 2018 |
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| Bar-Or, Ornan Total change: 22.80 | |   |
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| 2nd Zvi Bar-Shira Memorial 2017 | Tel Aviv | ISR | 2017-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1750 | 1887 | 5.00 | 7 | 0.33 | 20 | 6.60 | |
|  Priel, Benny | | | 1734 | ISR | 0.00 | 1 | -0.70 | 20 | -14.00 | |  Ben-Natan, Itay | | | 1544 | ISR | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Tenenbaum, Aharon | | | 1627 | ISR | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Levin, Evgeny | | | 1763 | ISR | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Chechnovsky, Avi | | | 1744 | ISR | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Holzer, Moshe | | | 1892 | ISR | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Bar-El, Shmuel | | | 1948 | ISR | 0.00 | 1 | -0.42 | 20 | -8.40 | |
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) | | | | Mark Center Autumn 2017 A | Tel Aviv | ISR | 2017-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1944 | 1887 | 4.00 | 7 | 0.81 | 20 | 16.20 | |
| | Kudischewitsch, David | m | | 2287 * | RUS | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Zak, Uriel | m | | 2255 | ISR | 0.50 | 1 | 0.40 | 20 | 8.00 | | | Shwarchbard, Zvi | | | 1847 | ISR | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Levanzov, Evgeny | | | 1757 | ISR | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Rozin, Yoav | | | 1788 | ISR | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Ehrlich, Roy | | | 1928 | ISR | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Guz, Ari | | | 1744 | ISR | 1.00 | 1 | 0.31 | 20 | 6.20 | | | * 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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