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Individual Calculations September 2021 |
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| Gartenfloys, Mark Total change: 8.80 | |   |
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| Liga Bet Haifa 2021 Round 9 | Various | ISR | 2021-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1823 | 1538 | 0.00 | 1 | -0.16 | 40 | -6.40 | |
|  Vorobyev, Vladimir | | | 1823 | ISR | 0.00 | 1 | -0.16 | 40 | -6.40 | |
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 |
| 1266 | 1551 | 4.50 | 5 | 0.38 | 40 | 15.20 | |
| | Har-Zahav, Tamir | | | 1151 * | ISR | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Goz, Itay | | | 1318 | ISR | 1.00 | 1 | 0.21 | 40 | 8.40 | |  Mond, Omri | | | 1451 | ISR | 0.50 | 1 | -0.14 | 40 | -5.60 | | | Timonin, Roman | | | 1259 | ISR | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Weissberg, Yair | | | 1152 | ISR | 1.00 | 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) | | |
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