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Individual Calculations January 2024 |
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| Botvinnik, Roman Total change: -24.60 | |   |
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| 1 8 Chess Championship | Kfar Saba | ISR | 2023-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1201 | 1356 | 2.00 | 5 | -1.38 | 20 | -27.60 | |
|  Zand, Gal | | | 1549 | ISR | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Baruch, Amit | | | 1103 | ISR | 0.00 | 1 | -0.81 | 20 | -16.20 | |  Weisserman, Miroslav | | | 1011 | ISR | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Galmidi, Ester | | | 1029 | ISR | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Galant, Chaim | | | 1311 | ISR | 0.00 | 1 | -0.56 | 20 | -11.20 | |
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) | | | | 1 8 Israel chess champion - herzliya | Herzliya | ISR | 2023-09-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1313 | 1344 | 4.50 | 8 | 0.15 | 20 | 3.00 | |
| | Katz, Yahel | | | 1246 | ISR | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Lahav, Doron | | | 1447 | ISR | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Levy, Avner | | | 1465 | ISR | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Asheri, Nadav | | | 1297 | ISR | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Cohen, Yarden | | | 1220 | ISR | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Klein, Eldad | | | 1361 | ISR | 0.00 | 1 | -0.48 | 20 | -9.60 | | | Roytman, Moshe | | | 1234 | ISR | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Ben Avi, Adam | | | 1235 | ISR | 0.50 | 1 | -0.15 | 20 | -3.00 | |
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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