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Individual Calculations September 2021 |
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| Semo, Sagy Total change: 94.40 | |   |
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| Chess4all- Summer in Savyon B | Savyon | ISR | 2021-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1252 | 1097 | 3.00 | 5 | 1.48 | 40 | 59.20 | |
|  Lazebnikov, Yefim | | | 1395 | ISR | 1.00 | 1 | 0.85 | 40 | 34.00 | |  Rynhold, Tomer | | | 1208 | ISR | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Friedland, Benzi | | | 1136 | ISR | 1.00 | 1 | 0.55 | 40 | 22.00 | | | Iskoz, Daniel | | | 1272 | ISR | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Zakin, Ilay | | | 1248 | ISR | 0.00 | 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 |
| 1298 | 1097 | 2.50 | 6 | 0.88 | 40 | 35.20 | |
| | Sella, Eyal | | | 1473 | ISR | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Laor, Yaniv | | | 1473 | ISR | 0.50 | 1 | 0.41 | 40 | 16.40 | | | Weissberg, Harel | | | 1366 | ISR | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Shapurkar, Amir | | | 1040 | ISR | 0.50 | 1 | -0.08 | 40 | -3.20 | | | Larioshin, Ariel | | | 1128 | ISR | 1.00 | 1 | 0.54 | 40 | 21.60 | | | Berezkin, Erik | | | 1308 | ISR | 0.00 | 1 | -0.23 | 40 | -9.20 | |
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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