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Individual Calculations September 2021 |
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| Ben Ari, Yannay Total change: 19.60 | |   |
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| Elitzur Summer 2021 GM | Petah Tikva | ISR | 2021-05-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2456 | 2390 | 4.50 | 9 | 0.79 | 10 | 7.90 | |
|  Tzidkiya, Yeshaayahu | f | | 2403 | ISR | 0.00 | 1 | -0.48 | 10 | -4.80 | |  Rozentalis, Eduardas | g | | 2529 | LTU | 0.50 | 1 | 0.19 | 10 | 1.90 | | | Bronstein, Or | m | | 2444 | ISR | 0.50 | 1 | 0.08 | 10 | 0.80 | | | Peng, Li Min | m | | 2464 | UKR | 0.50 | 1 | 0.10 | 10 | 1.00 | | | Bernadskiy, Vitaliy | g | | 2587 | UKR | 0.00 | 1 | -0.25 | 10 | -2.50 | | | Sivuk, Vitaly | g | | 2550 | UKR | 0.50 | 1 | 0.21 | 10 | 2.10 | | | Kupervaser, Erez | f | | 2391 | ISR | 0.50 | 1 | 0.00 | 10 | 0.00 | | | Musyuk, Lior | f | | 2345 | ISR | 1.00 | 1 | 0.44 | 10 | 4.40 | | | Solomon, Asif | f | | 2392 | ISR | 1.00 | 1 | 0.50 | 10 | 5.00 | |
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) | | | | Chess4all- Summer in Savyon A | Savyon | ISR | 2021-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2067 | 2380 | 4.50 | 5 | 0.32 | 10 | 3.20 | |
| | Ashkenazi, Dror | | | 1980 * | ISR | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Chesnitski, Ilia | | | 1980 * | ISR | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Noy, Eyal | | | 2034 | ISR | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Levin, Guy | f | | 2361 | ISR | 0.50 | 1 | -0.03 | 10 | -0.30 | | | Taragan, Uri | | | 1980 * | ISR | 1.00 | 1 | 0.08 | 10 | 0.80 | | | * 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) | | | | Max Mit Memorial 2021 A | Rishon Lezion | ISR | 2021-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2281 | 2396 | 4.00 | 5 | 0.85 | 10 | 8.50 | |
| | Weintraub, Amit | | | 1996 * | ISR | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Fleish, Felix | | | 2243 | ISR | 1.00 | 1 | 0.30 | 10 | 3.00 | | | Levin, Guy | f | | 2354 | ISR | 0.50 | 1 | -0.06 | 10 | -0.60 | | | Rozen, Eytan | m | | 2372 | ISR | 0.50 | 1 | -0.03 | 10 | -0.30 | | | Dvoirys, Semen I. | g | | 2442 | RUS | 1.00 | 1 | 0.56 | 10 | 5.60 | | | * 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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