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Individual Calculations April 2018 |
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| Ribstein, Orel Total change: 90.60 | |   |
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| Mark Center Winter 2018 B | Tel Aviv | ISR | 2018-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1491 | 1375 | 2.00 | 6 | -0.07 | 30 | -2.10 | |
|  Peleg, Meir | | | 1521 | ISR | 1.00 | 1 | 0.70 | 30 | 21.00 | |  Perlmuter, Michael | | | 1514 | ISR | 0.00 | 1 | -0.31 | 30 | -9.30 | | | Marcus, Eyal | | | 1453 | ISR | 1.00 | 1 | 0.61 | 30 | 18.30 | | | Homa, Miky | | | 1600 | ISR | 0.00 | 1 | -0.22 | 30 | -6.60 | | | Dayan, Itay | | | 1467 | ISR | 0.00 | 1 | -0.37 | 30 | -11.10 | | | Gershovich, Yaacov | | | 1391 | ISR | 0.00 | 1 | -0.48 | 30 | -14.40 | |
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) | | | | Rishon Lezion Mondays Winter 2018 over 1600 | Rishon Lezion | ISR | 2018-01-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1531 | 1375 | 4.50 | 9 | 1.79 | 30 | 53.70 | |
| | Levin, Emily | | | 1501 | ISR | 0.50 | 1 | 0.17 | 30 | 5.10 | | | Samarin, Leonid | | | 1678 | ISR | 0.00 | 1 | -0.14 | 30 | -4.20 | | | Dayan, Itay | | | 1467 | ISR | 1.00 | 1 | 0.63 | 30 | 18.90 | | | Rabinovich, Igor | | | 1407 | ISR | 1.00 | 1 | 0.54 | 30 | 16.20 | | | Madlasi, Shay | | | 1415 | ISR | 1.00 | 1 | 0.56 | 30 | 16.80 | | | Sandovich, Liviu | | | 1488 | ISR | 1.00 | 1 | 0.65 | 30 | 19.50 | | | Leib, Daniel | | | 1657 | ISR | 0.00 | 1 | -0.16 | 30 | -4.80 | | | Bronstein, Paz | | | 1606 | ISR | 0.00 | 1 | -0.21 | 30 | -6.30 | | | Federovski, Yael | | | 1564 | ISR | 0.00 | 1 | -0.25 | 30 | -7.50 | |
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) | | | | Liga Bet Center (Saturdays) 2018 Round 5 | various | ISR | 2018-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1513 | 1401 | 1.00 | 1 | 0.65 | 30 | 19.50 | |
| | Weissberg, Harel | | | 1513 | ISR | 1.00 | 1 | 0.65 | 30 | 19.50 | |
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) | | | | Israel Cadet Championship Final 2018 U10 | Hakfar Hayarok | ISR | 2018-03-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1416 | 1401 | 4.00 | 7 | 0.65 | 30 | 19.50 | |
| | Faivishevsky, Noam | | | 1204 | ISR | 0.50 | 1 | -0.25 | 30 | -7.50 | | | Tsirilman, Guy | | | 1555 | ISR | 0.00 | 1 | -0.29 | 30 | -8.70 | | | Leib, Yoni | | | 1413 | ISR | 0.50 | 1 | 0.02 | 30 | 0.60 | | | Kravchenko, Danny | | | 1305 | ISR | 1.00 | 1 | 0.37 | 30 | 11.10 | | | Engel, Bar | | | 1275 | ISR | 1.00 | 1 | 0.33 | 30 | 9.90 | | | Neeman, Gal | | | 1552 | ISR | 1.00 | 1 | 0.70 | 30 | 21.00 | | | Uritsky, Yonathan | | | 1610 | ISR | 0.00 | 1 | -0.23 | 30 | -6.90 | |
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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