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Individual Calculations September 2021 |
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| Levitan, Liel Total change: 118.40 | |   |
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| Liga Bet Haifa 2021 Round 9 | Various | ISR | 2021-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1496 | 1096 | 1.00 | 1 | 0.92 | 40 | 36.80 | |
|  Kahan, Sami | | | 1496 * | ISR | 1.00 | 1 | 0.92 | 40 | 36.80 | | | * 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) | | | | Max Mit Memorial 2021 B | Rishon Lezion | ISR | 2021-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1274 | 1131 | 1.50 | 3 | 0.54 | 40 | 21.60 | |
|  Kfir, Nadav | | | 1387 | ISR | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Peleg, Yaron | | | 1275 | ISR | 0.50 | 1 | 0.19 | 40 | 7.60 | | | Gleizer, Meital | | | 1160 | ISR | 1.00 | 1 | 0.54 | 40 | 21.60 | |
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) | | | | Israeli team U14 championship, Nahum Naftali memorial | Afula | ISR | 2021-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1132 | 1131 | 3.50 | 4 | 1.50 | 40 | 60.00 | |
| | Saidy, Ariel | | | 1154 | ISR | 1.00 | 1 | 0.53 | 40 | 21.20 | | | Rotman, Uri | | | 1162 | ISR | 1.00 | 1 | 0.54 | 40 | 21.60 | | | Sandler, Yonatan | | | 1110 | ISR | 1.00 | 1 | 0.47 | 40 | 18.80 | | | Harel Raz, Eden | | | 1100 | ISR | 0.50 | 1 | -0.04 | 40 | -1.60 | |
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) | | |
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