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Individual Calculations April 2021 |
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| Birnboim, Nathan Total change: -9.70 | |   |
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| Scheveningen system winter 2020 Rishon-Lezion | Rishon Lezion | ISR | 2020-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2314 | 2381 | 2.00 | 8 | -2.70 | 10 | -27.00 | |
|  Iliaguev, Nisim | f | | 2331 | ISR | 0.00 | 1 | -0.57 | 10 | -5.70 | |  Efroimski, Marsel | | wg | 2351 | ISR | 0.00 | 1 | -0.54 | 10 | -5.40 | | | Iliaguev, Nisim | f | | 2331 | ISR | 0.50 | 1 | -0.07 | 10 | -0.70 | | | Lahav, Michal | | wm | 2193 | ISR | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Levin, Guy | f | | 2382 | ISR | 0.00 | 1 | -0.50 | 10 | -5.00 | | | Efroimski, Marsel | | wg | 2351 | ISR | 0.00 | 1 | -0.54 | 10 | -5.40 | | | Levin, Guy | f | | 2382 | ISR | 0.50 | 1 | 0.00 | 10 | 0.00 | | | Lahav, Michal | | wm | 2193 | ISR | 0.00 | 1 | -0.74 | 10 | -7.40 | |
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) | | | | Israeli Open Championship Finals 2020 | Haifa | ISR | 2021-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2444 | 2381 | 5.50 | 9 | 1.73 | 10 | 17.30 | |
| | Nabaty, Tamir | g | | 2638 | ISR | 0.00 | 1 | -0.18 | 10 | -1.80 | | | Kochavi, Ori | f | | 2273 | ISR | 0.50 | 1 | -0.15 | 10 | -1.50 | | | Ben Artzi, Ido | m | | 2368 | ISR | 1.00 | 1 | 0.48 | 10 | 4.80 | | | Iliaguev, Nisim | f | | 2332 | ISR | 1.00 | 1 | 0.43 | 10 | 4.30 | | | Rechlis, Gad | g | | 2513 | ISR | 1.00 | 1 | 0.68 | 10 | 6.80 | | | Mikhalevski, Victor | g | | 2552 | ISR | 0.00 | 1 | -0.27 | 10 | -2.70 | | | Tzidkiya, Yeshaayahu | f | | 2380 | ISR | 1.00 | 1 | 0.50 | 10 | 5.00 | | | Steinberg, Nitzan | g | | 2553 | ISR | 1.00 | 1 | 0.73 | 10 | 7.30 | | | Gorshtein, Ido | f | | 2387 | ISR | 0.00 | 1 | -0.49 | 10 | -4.90 | |
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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