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Individual Calculations August 2023 |
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| Cohen, Avi Total change: -28.60 | |   |
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| 13th Kiryat Ono Summer Festival Open B | Kiryat Ono | ISR | 2023-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1596 | 1889 | 2.50 | 5 | -1.69 | 20 | -33.80 | |
|  Sandler, Yuval | | | 1532 | ISR | 1.00 | 1 | 0.11 | 20 | 2.20 | |  Peled, Michael | | | 1601 | ISR | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Bedyovkin, Yevgeny | | | 1489 * | ISR | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Abitbul, Matan | | | 1642 | ISR | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Shifrin, Evgeny | | | 1716 | ISR | 0.50 | 1 | -0.23 | 20 | -4.60 | | | * 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) | | | | Peqiin Open International Tournament A | Pkin | ISR | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2160 | 1889 | 1.50 | 5 | 0.26 | 20 | 5.20 | |
| | Skawinski, Arkadiusz | f | | 2346 | POL | 0.00 | 1 | -0.05 | 20 | -1.00 | | | Yakovleva, Tatiana | | | 1929 | ISR | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Yakovlev, Dmitry | | | 2027 | ISR | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Malin, Uri | | | 1937 | ISR | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Postny, Evgeny | g | | 2563 | ISR | 0.00 | 1 | -0.01 | 20 | -0.20 | |
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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