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Individual Calculations September 2021 |
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| Gruzman, Ilya Total change: 5.40 | |   |
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| Maccabi Ramat Gan Chess Championship 2021 A | Ramat Gan | ISR | 2021-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2172 | 2067 | 2.50 | 5 | 0.61 | 20 | 12.20 | |
|  Kupervaser, Erez | f | | 2384 | ISR | 0.00 | 1 | -0.13 | 20 | -2.60 | |  Ribstein, Orel | | | 1935 | ISR | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Kochavi, Ori | f | | 2314 | ISR | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Goikhman, Valentin | | | 2295 | ISR | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Amit, Eli | | | 1930 | ISR | 1.00 | 1 | 0.32 | 20 | 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) | | | | Summer Haifa-Nesher | Haifa | ISR | 2021-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1998 | 2067 | 2.50 | 5 | -0.34 | 20 | -6.80 | |
| | Vorobyev, Vladimir | | | 1824 | ISR | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Shevchenko, Lev | | | 1667 * | ISR | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Axelrod, Arie | f | | 2231 | ISR | 1.00 | 1 | 0.72 | 20 | 14.40 | | | Gov, Guy | | | 1985 | ISR | 0.00 | 1 | -0.61 | 20 | -12.20 | | | Steiner-Prozhanski, Giora | | | 2282 | ISR | 0.00 | 1 | -0.23 | 20 | -4.60 | | | * 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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