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Individual Calculations September 2021 |
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| Zakin, Ilay Total change: 114.00 | |   |
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| Chess4all- Summer in Savyon B | Savyon | ISR | 2021-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1169 | 1248 | 4.00 | 4 | 1.57 | 40 | 62.80 | |
|  Harel Raz, Eden | | | 1100 | ISR | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Iskoz, Daniel | | | 1272 | ISR | 1.00 | 1 | 0.53 | 40 | 21.20 | |  Rynhold, Tomer | | | 1208 | ISR | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Semo, Sagy | | | 1097 | ISR | 1.00 | 1 | 0.30 | 40 | 12.00 | |
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) | | | | Israeli team U14 championship, Nahum Naftali memorial | Afula | ISR | 2021-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1258 | 1287 | 4.50 | 6 | 1.28 | 40 | 51.20 | |
| | Levin, Adam | | | 1058 | ISR | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Sagi, Alon | | | 1048 | ISR | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Viks, Ido | | | 1233 | ISR | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Levitan, Yaron | | | 1431 | ISR | 1.00 | 1 | 0.69 | 40 | 27.60 | | | Wul, Kfir | | | 1516 | ISR | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Abitbul, Matan | | | 1262 | ISR | 0.00 | 1 | -0.53 | 40 | -21.20 | |
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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