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Rapid:
Individual Calculations July 2018 |
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| Kfir, Itzhak Total change: 19.40 | |   |
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| Jeruchess Combined Weinstein System 2018 Semi-Rapid | Jerusalem | ISR | 2018-04-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1671 | 1569 | 1.50 | 4 | -0.01 | 20 | -0.20 | |
|  Klein, Achi | | | 1664 | ISR | 0.50 | 1 | 0.13 | 20 | 2.60 | |  Kaminetsky, Asaf | | | 1256 | ISR | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Pilchin, Uri | | | 1826 | ISR | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Cohen Revivo, Alon | | | 1937 | ISR | 0.00 | 1 | -0.10 | 20 | -2.00 | |
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) | | | | Jeruchess Combined Weinstein System 2018 Rapid A | Jerusalem | ISR | 2018-04-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1671 | 1569 | 2.00 | 4 | 0.49 | 20 | 9.80 | |
| | Klein, Achi | | | 1664 | ISR | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Kaminetsky, Asaf | | | 1256 | ISR | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Pilchin, Uri | | | 1826 | ISR | 1.00 | 1 | 0.82 | 20 | 16.40 | | | Cohen Revivo, Alon | | | 1937 | ISR | 0.00 | 1 | -0.10 | 20 | -2.00 | |
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) | | | | Jeruchess Combined Weinstein System 2018 Rapid B | Jerusalem | ISR | 2018-04-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1671 | 1569 | 2.00 | 4 | 0.49 | 20 | 9.80 | |
| | Klein, Achi | | | 1664 | ISR | 1.00 | 1 | 0.63 | 20 | 12.60 | | | Kaminetsky, Asaf | | | 1256 | ISR | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Pilchin, Uri | | | 1826 | ISR | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Cohen Revivo, Alon | | | 1937 | ISR | 0.00 | 1 | -0.10 | 20 | -2.00 | |
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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