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Rapid:
Individual Calculations September 2021 |
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| Ben Ari, Yannay Total change: 61.00 | |   |
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| Kfar Saba Weekend tournament A | Kfar Saba | ISR | 2021-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2049 | 2116 | 4.50 | 9 | -0.36 | 20 | -7.20 | |
|  Cohen, Alon | | | 1998 | ISR | 1.00 | 1 | 0.34 | 20 | 6.80 | |  Vagman, Roy | c | | 1940 | ISR | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Judkovsky, Yair | | | 2264 | ISR | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Erenberg, Ariel | m | | 2354 | ISR | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Rozen, Eytan | m | | 2226 | ISR | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Tifferet, Shaked | f | | 2206 | ISR | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Zemach, Nadav | | | 1927 | ISR | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Slobodiansky, Steven | | | 2119 | ISR | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Gavriely, Or | | | 1405 | ISR | 1.00 | 1 | 0.01 | 20 | 0.20 | |
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) | | | | 11th Kiryat Ono Summer Festival Rapid Championship | Kiryat Ono | ISR | 2021-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1997 | 2116 | 4.50 | 6 | 1.06 | 20 | 21.20 | |
| | Soybert, Ori | | | 1381 | ISR | 1.00 | 1 | 0.01 | 20 | 0.20 | | | Lahav, Michal | | wm | 2018 | ISR | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Friedland, Eldar | | | 1880 | ISR | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Bykhovsky, Avigdor | g | | 2223 | RUS | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Kraus, Ohad | | | 2306 | ISR | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Ribshtein, Nati | m | | 2173 | ISR | 1.00 | 1 | 0.58 | 20 | 11.60 | |
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) | | | | Markovitch memoriaL 2021 Open A | Rishon Lezion | ISR | 2021-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2265 | 2116 | 4.00 | 5 | 2.35 | 20 | 47.00 | |
| | Federovski, Adi | | | 1859 | ISR | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Friedland, Moshe | f | | 2286 | ISR | 1.00 | 1 | 0.72 | 20 | 14.40 | | | Postny, Evgeny | g | | 2512 | ISR | 1.00 | 1 | 0.92 | 20 | 18.40 | | | Bronstein, Or | m | | 2233 | ISR | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Zanan, Evgeny | g | | 2435 | ISR | 0.00 | 1 | -0.13 | 20 | -2.60 | |
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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