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Individual Calculations April 2015 |
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| Ben Artzi, Ido Total change: -3.00 | |   |
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| European Individual Chess Championship 2015 | Jerusalem | ISR | 2015-02-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2379 | 2408 | 5.50 | 11 | -0.23 | 10 | -2.30 | |
|  Sargissian, Gabriel | g | | 2668 | ARM | 0.00 | 1 | -0.18 | 10 | -1.80 | |  Chazan, Yonatan | | | 2008 * | ISR | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Alekseev, Evgeny | g | | 2677 | RUS | 0.00 | 1 | -0.17 | 10 | -1.70 | | | Mdivani, Maka | | | 2105 | ISR | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Hovhannisyan, Robert | g | | 2592 | ARM | 0.00 | 1 | -0.26 | 10 | -2.60 | | | Kraus, Yair | | | 2129 | ISR | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Can, Emre | g | | 2555 | TUR | 0.00 | 1 | -0.30 | 10 | -3.00 | | | Drori, Dan | f | | 2104 | ISR | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Grigoryan, Karen H. | g | | 2596 | ARM | 0.00 | 1 | -0.26 | 10 | -2.60 | | | Drori, Saar | c | | 2173 | ISR | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Timofeev, Artyom | g | | 2564 | RUS | 0.50 | 1 | 0.21 | 10 | 2.10 | | | * 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) | | | | National Team Championship 2015 Round 7-8 | various | ISR | 2015-03-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2383 | 2408 | 1.00 | 2 | -0.07 | 10 | -0.70 | |
| | Kantarji, Pinchas | f | | 2417 | ISR | 0.50 | 1 | 0.01 | 10 | 0.10 | | | Birnboim, Nathan | m | | 2349 | ISR | 0.50 | 1 | -0.08 | 10 | -0.80 | |
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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