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Individual Calculations April 2021 |
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| Levin, Guy Total change: 52.80 | |   |
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| Elitzur GM Winter 2020 B Stage 1 | Petah Tikva | ISR | 2020-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2462 | 2382 | 2.50 | 6 | 0.12 | 20 | 2.40 | |
|  Peng, Li Min | m | | 2433 | UKR | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Bernadskiy, Vitaliy | g | | 2619 | UKR | 0.00 | 1 | -0.20 | 20 | -4.00 | |  Dvoirys, Semen I. | g | | 2480 | RUS | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Musyuk, Lior | f | | 2285 | ISR | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Parkhov, Yair | m | | 2411 | ISR | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Sivuk, Vitaly | g | | 2541 | UKR | 0.50 | 1 | 0.21 | 20 | 4.20 | |
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) | | | | Elitzur IM Winter 2020 B Stage 1 | Petah Tikva | ISR | 2020-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2318 | 2382 | 3.00 | 5 | 0.11 | 20 | 2.20 | |
| | Peng, Li Min | m | | 2433 | UKR | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Sivuk, Vitaly | g | | 2541 | UKR | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Vagman, Roy | c | | 2108 | ISR | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Kuprijanov, Anatoly | f | | 2224 | RUS | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Kochavi, Ori | f | | 2285 | ISR | 0.50 | 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) | | | | Scheveningen system winter 2020 Rishon-Lezion | Rishon Lezion | ISR | 2020-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2376 | 2382 | 6.00 | 8 | 1.92 | 20 | 38.40 | |
| | Kaspi, Alexander | m | | 2448 | ISR | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Mordechai, Hanan | f | | 2332 | ISR | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Mordechai, Hanan | f | | 2332 | ISR | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Emanuel, Yahav | f | | 2342 | ISR | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Birnboim, Nathan | m | | 2381 | ISR | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Kaspi, Alexander | m | | 2448 | ISR | 1.00 | 1 | 0.59 | 20 | 11.80 | | | Birnboim, Nathan | m | | 2381 | ISR | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Emanuel, Yahav | f | | 2342 | ISR | 0.00 | 1 | -0.56 | 20 | -11.20 | |
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) | | | | Liga Ilit Lenoar 2021 Group C Rounds 2-3 | Various | ISR | 2021-03-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2386 | 2355 | 0.50 | 2 | -0.42 | 20 | -8.40 | |
| | Sokolovsky, Yahli | f | | 2472 | ISR | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Musyuk, Lior | f | | 2300 | ISR | 0.50 | 1 | -0.08 | 20 | -1.60 | |
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) | | | | Israel Youth Championship Finals 2021 U16 - Israel Eshel Memorial | Hakfar Hayarok | ISR | 2021-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2247 | 2355 | 6.50 | 9 | 0.91 | 20 | 18.20 | |
| | Rivlin, Shachar | | | 1955 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Zoabi, Jihad | | | 2001 | ISR | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Guz, Ari | f | | 2302 | ISR | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Rozen, Eytan | m | | 2399 | ISR | 1.00 | 1 | 0.56 | 20 | 11.20 | | | Aizenberg, Benny | f | | 2307 | ISR | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Sokolovsky, Yahli | f | | 2472 | ISR | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Hoffmann, Yair | f | | 2352 | ISR | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Zemach, Nadav | | | 2162 | ISR | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Yaniv, Yuval | f | | 2272 | ISR | 0.00 | 1 | -0.61 | 20 | -12.20 | | | * 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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