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Individual Calculations August 2018 |
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| Lahav, Michal Total change: -40.40 | |   |
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| Gideon Japhet Memorial ACP Open 2018 A | Jerusalem | ISR | 2018-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2104 | 2171 | 2.50 | 7 | -1.54 | 20 | -30.80 | |
|  Uritsky, Yonathan | | | 1773 | ISR | 0.50 | 1 | -0.42 | 20 | -8.40 | |  Aizenberg, Benny | | | 1941 | ISR | 0.00 | 1 | -0.79 | 20 | -15.80 | | | Lukin, Elisha | | | 2074 | ISR | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Shvayger, Yuliya | m | wg | 2403 | ISR | 0.50 | 1 | 0.29 | 20 | 5.80 | | | Salome, Melia | m | wg | 2392 | GEO | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Bronfman, Shmuel | | | 2108 | ISR | 0.00 | 1 | -0.59 | 20 | -11.80 | | | Freidles, Victor | | | 2035 | ISR | 0.50 | 1 | -0.18 | 20 | -3.60 | |
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) | | | | 9th Kiryat Ono Summer Festival Open A | Kiryat Ono | ISR | 2018-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2074 | 2171 | 2.50 | 5 | -0.48 | 20 | -9.60 | |
| | Uritsky, Yonathan | | | 1773 | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Reshef, Omer | m | | 2490 | ISR | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Amit, Eli | | | 2023 | ISR | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Vagman, Roy | | | 1771 * | ISR | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Aharon, Ofir | f | | 2314 | ISR | 0.00 | 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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