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Individual Calculations September 2021 |
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| Tsafrir, Itay Total change: -72.00 | |   |
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| Liga Arzit Merkaz 2021 Round 9 | Various | ISR | 2021-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1988 | 1588 | 0.00 | 1 | -0.08 | 40 | -3.20 | |
|  Malachi, Avraham | | | 1988 * | ISR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | Israeli team U14 championship, Nahum Naftali memorial | Afula | ISR | 2021-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1441 | 1588 | 1.00 | 4 | -1.72 | 40 | -68.80 | |
|  Medovoy, Yaniv | | | 1583 | ISR | 0.00 | 1 | -0.51 | 40 | -20.40 | | | Kfir, Nadav | | | 1387 | ISR | 0.00 | 1 | -0.76 | 40 | -30.40 | | | Gal, Yoav | | | 1264 | ISR | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Hasson Shreger, Shalev | | | 1529 | ISR | 0.00 | 1 | -0.58 | 40 | -23.20 | |
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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