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Individual Calculations May 2015 |
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| Gorodetzky, David Total change: 48.80 | |   |
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| Liga Alef Shfela 2015 Round 4-6 | various | ISR | 2015-03-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2091 | 2252 | 2.50 | 3 | 0.38 | 40 | 15.20 | |
|  Petrushinsky, Ilya | | | 2112 | ISR | 1.00 | 1 | 0.31 | 40 | 12.40 | |  Ginchil, Shay | | | 2000 | ISR | 0.50 | 1 | -0.31 | 40 | -12.40 | | | Penzias, Mordechai | | | 2162 | ISR | 1.00 | 1 | 0.38 | 40 | 15.20 | |
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) | | | | Israel Youth Championship Under 16 - 2015 | Ayanot | ISR | 2015-03-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1970 | 2252 | 7.50 | 8 | 0.84 | 40 | 33.60 | |
| | Merom, Guni | | | 1852 * | ISR | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Barak, Gil | | | 1951 | ISR | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Tifferet, Shaked | | | 2050 | ISR | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Levitan, Tal | | | 1917 | ISR | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Friedland, Moshe | | | 2019 | ISR | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Triger, Ramon | | | 1997 | ISR | 0.50 | 1 | -0.31 | 40 | -12.40 | | | Adar, Idan | | | 1949 | ISR | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Hochman, Elnatan | | | 2024 | ISR | 1.00 | 1 | 0.21 | 40 | 8.40 | | | * 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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