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Individual Calculations January 2020 |
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| Dvorsky, David Total change: 25.40 | |   |
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| Rishon Fall 2019 U1600 | Rishon Letzion | ISR | 2019-10-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1189 | 1313 | 5.00 | 7 | 0.39 | 20 | 7.80 | |
|  Ben Aruia, Or | | | 1125 | ISR | 0.00 | 1 | -0.74 | 20 | -14.80 | |  Gedamu, Almog | | | 1305 | ISR | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Erenberg, Itay | | | 1064 | ISR | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Katz, Adam | | | 1055 | ISR | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Linik, Daniel | | | 1299 | ISR | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Wolf, Ofek Ilay | | | 1279 | ISR | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Mihaeli, Shira | | | 1196 | ISR | 1.00 | 1 | 0.34 | 20 | 6.80 | |
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 National Open Championship - 2019 | Jerusalem | ISR | 2019-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1524 | 1344 | 3.00 | 7 | 0.88 | 20 | 17.60 | |
| | Sokolovsky, Yahli | | | 1744 * | ISR | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Freiman, Mark | | | 1724 | ISR | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Selzer, Wiiliam | | | 1515 | ISR | 1.00 | 1 | 0.73 | 20 | 14.60 | | | Yehoshua, Azgad | | | 1744 * | ISR | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Marques, Don | | | 1134 | FRA | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Blumenthal, Michael | | | 1460 | ISR | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Jonas, Joseph | | | 1349 | FRA | 1.00 | 1 | 0.51 | 20 | 10.20 | | | * 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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