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Individual Calculations April 2015 |
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| Erenberg, Ariel Total change: 4.00 | |   |
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| European Individual Chess Championship 2015 | Jerusalem | ISR | 2015-02-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2369 | 2278 | 4.00 | 10 | -0.01 | 20 | -0.20 | |
|  Bartel, Mateusz | g | | 2631 | POL | 0.50 | 1 | 0.39 | 20 | 7.80 | |  Kozul, Zdenko | g | | 2630 | CRO | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Mamedov, Rauf | g | | 2650 | AZE | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Poleg, Dan | | | 1992 | ISR | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Tifferet, Shaked | | | 2001 | ISR | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Popilski, Gil | g | | 2517 | ISR | 1.00 | 1 | 0.80 | 20 | 16.00 | | | Hansen, Sune Berg | g | | 2571 | DEN | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Barnaure, Vlad-Victor | m | | 2508 | ROU | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Chuvnik, Mordechai | | | 2189 | ISR | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Parkhov, Yair | | | 1997 | ISR | 0.50 | 1 | -0.34 | 20 | -6.80 | |
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) | | | | National Team Championship 2015 Round 7-8 | various | ISR | 2015-03-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2425 | 2265 | 0.50 | 1 | 0.21 | 20 | 4.20 | |
| | Mikhalevski, Alexander | m | | 2425 | ISR | 0.50 | 1 | 0.21 | 20 | 4.20 | |
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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