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Individual Calculations May 2021 |
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| Guz, Ari Total change: -6.20 | |   |
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| Elitzur GM Winter 2020 C Stage 2 | Petah Tikva | ISR | 2021-04-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2367 | 2305 | 1.00 | 3 | -0.25 | 20 | -5.00 | |
|  Dvoirys, Semen I. | g | | 2473 | RUS | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Hoffmann, Yair | f | | 2354 | ISR | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Aizenberg, Benny | f | | 2273 | ISR | 0.50 | 1 | -0.04 | 20 | -0.80 | |
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 national league. Rounds 1-2 | Various | ISR | 2021-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2475 | 2305 | 0.50 | 2 | -0.06 | 20 | -1.20 | |
| | Zanan, Evgeny | g | | 2520 | ISR | 0.00 | 1 | -0.23 | 20 | -4.60 | |  Mindlin, Alon | m | | 2430 | ISR | 0.50 | 1 | 0.17 | 20 | 3.40 | |
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) | | |
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