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Individual Calculations April 2021 |
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| Sokolovsky, Yahli Total change: -30.20 | |   |
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| Elitzur GM Winter 2020 A Stage 1 | Petah Tikva | ISR | 2020-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2523 | 2480 | 0.00 | 4 | -1.77 | 10 | -17.70 | |
|  Sivuk, Vitaly | g | | 2541 | UKR | 0.00 | 1 | -0.42 | 10 | -4.20 | | | Peng, Li Min | m | | 2433 | UKR | 0.00 | 1 | -0.57 | 10 | -5.70 | | | Flom, Gabriel | g | | 2499 | FRA | 0.00 | 1 | -0.47 | 10 | -4.70 | | | Bernadskiy, Vitaliy | g | | 2619 | UKR | 0.00 | 1 | -0.31 | 10 | -3.10 | |
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) | | | | Elitzur GM Winter 2020 B Stage 1 | Petah Tikva | ISR | 2020-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2501 | 2480 | 1.50 | 4 | -0.40 | 10 | -4.00 | |
| | Sivuk, Vitaly | g | | 2541 | UKR | 0.50 | 1 | 0.08 | 10 | 0.80 | |  Peng, Li Min | m | | 2433 | UKR | 0.50 | 1 | -0.07 | 10 | -0.70 | | | Bernadskiy, Vitaliy | g | | 2619 | UKR | 0.00 | 1 | -0.31 | 10 | -3.10 | | | Parkhov, Yair | m | | 2411 | ISR | 0.50 | 1 | -0.10 | 10 | -1.00 | |
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) | | | | Israeli Open Championship Finals 2020 | Haifa | ISR | 2021-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2399 | 2472 | 4.50 | 9 | -0.87 | 10 | -8.70 | |
| | Iliaguev, Nisim | f | | 2332 | ISR | 0.50 | 1 | -0.19 | 10 | -1.90 | | | Lahav, Michal | | wm | 2216 | ISR | 0.50 | 1 | -0.31 | 10 | -3.10 | | | Kraus, Ohad | | | 2363 | ISR | 0.00 | 1 | -0.65 | 10 | -6.50 | | | Shohat, Yotam | f | | 2371 | ISR | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Smirin, Ilia | g | | 2614 | ISR | 1.00 | 1 | 0.69 | 10 | 6.90 | | | Solomon, Asif | f | | 2356 | ISR | 1.00 | 1 | 0.34 | 10 | 3.40 | | | Gorshtein, Ido | f | | 2387 | ISR | 0.50 | 1 | -0.12 | 10 | -1.20 | | | Kobo, Ori | g | | 2460 | ISR | 0.00 | 1 | -0.52 | 10 | -5.20 | | | Gorodetzky, David | m | | 2495 | ISR | 0.00 | 1 | -0.47 | 10 | -4.70 | |
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) | | | | Liga Ilit Lenoar 2021 Group C Rounds 2-3 | Various | ISR | 2021-03-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2214 | 2472 | 2.00 | 2 | 0.42 | 10 | 4.20 | |
| | Levin, Guy | f | | 2355 | ISR | 1.00 | 1 | 0.34 | 10 | 3.40 | | | Azoulay, Yehonatan | | | 2072 * | 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) | | | | Israel Youth Championship Finals 2021 U16 - Israel Eshel Memorial | Hakfar Hayarok | ISR | 2021-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2278 | 2472 | 5.50 | 8 | -0.40 | 10 | -4.00 | |
| | Yaniv, Yuval | f | | 2272 | ISR | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Hoffmann, Yair | f | | 2352 | ISR | 0.50 | 1 | -0.16 | 10 | -1.60 | | | Guz, Ari | f | | 2302 | ISR | 0.50 | 1 | -0.22 | 10 | -2.20 | | | Borodety, Itamar | | | 2072 * | ISR | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Levin, Guy | f | | 2355 | ISR | 0.00 | 1 | -0.66 | 10 | -6.60 | | | Aizenberg, Benny | f | | 2307 | ISR | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Rozen, Eytan | m | | 2399 | ISR | 0.50 | 1 | -0.10 | 10 | -1.00 | | | Zemach, Nadav | | | 2162 | ISR | 1.00 | 1 | 0.14 | 10 | 1.40 | | | * 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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