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Individual Calculations April 2019 |
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| Erenberg, Ariel Total change: 43.20 | |   |
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| Israel Youth Championship Final U18 2019 | Various | ISR | 2019-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2286 | 2409 | 6.00 | 8 | 0.72 | 10 | 7.20 | |
|  Parkhov, Yair | f | | 2336 | ISR | 0.50 | 1 | -0.10 | 10 | -1.00 | |  Poleg, Dan | f | | 2276 | ISR | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Levi, Netanel | | | 2208 | ISR | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Emanuel, Yahav | | | 2201 | ISR | 0.50 | 1 | -0.27 | 10 | -2.70 | | | Shohat, Yotam | | | 2156 | ISR | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Bronstein, Or | f | | 2370 | ISR | 0.50 | 1 | -0.05 | 10 | -0.50 | | | Iliaguev, Nisim | f | | 2360 | ISR | 0.50 | 1 | -0.07 | 10 | -0.70 | | | Gorshtein, Ido | f | | 2382 | ISR | 1.00 | 1 | 0.46 | 10 | 4.60 | |
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) | | | | GM Winter 2019 Petach Tikva | Petach Tikva | ISR | 2019-02-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2484 | 2396 | 5.00 | 9 | 1.56 | 10 | 15.60 | |
| | Rozentalis, Eduardas | g | | 2529 | LTU | 0.00 | 1 | -0.32 | 10 | -3.20 | | | Zubov, Alexander | g | | 2599 | UKR | 0.00 | 1 | -0.24 | 10 | -2.40 | | | Lomasov, Semyon | m | | 2559 | RUS | 0.50 | 1 | 0.22 | 10 | 2.20 | | | Bronstein, Or | f | | 2396 | ISR | 1.00 | 1 | 0.50 | 10 | 5.00 | | | Bakalchuk, Johnatan | m | | 2459 | ISR | 1.00 | 1 | 0.59 | 10 | 5.90 | | | Globus, Or | f | | 2367 | ISR | 1.00 | 1 | 0.46 | 10 | 4.60 | | | Bagrationi, Alexander | g | | 2534 | UKR | 1.00 | 1 | 0.69 | 10 | 6.90 | | | Flom, Gabriel | m | | 2460 | FRA | 0.50 | 1 | 0.09 | 10 | 0.90 | | | Gorodetzky, David | m | | 2449 | ISR | 0.00 | 1 | -0.43 | 10 | -4.30 | |
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 National Team Championship 2019 Round 9-10 | Various | ISR | 2019-03-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2513 | 2394 | 1.00 | 1 | 0.66 | 10 | 6.60 | |
| | Zoler, Dan | g | | 2513 | ISR | 1.00 | 1 | 0.66 | 10 | 6.60 | |
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) | | | | European Individual Chess Championship 2019 | Skopje | MKD | 2019-03-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2488 | 2394 | 5.50 | 11 | 1.38 | 10 | 13.80 | |
| | Gledura, Benjamin | g | | 2630 | HUN | 0.50 | 1 | 0.30 | 10 | 3.00 | | | Kozul, Zdenko | g | | 2619 | CRO | 1.00 | 1 | 0.78 | 10 | 7.80 | | | Aleksandrov, Aleksej | g | | 2574 | BLR | 0.00 | 1 | -0.26 | 10 | -2.60 | | | Lobanov, Sergei | m | | 2526 | RUS | 0.00 | 1 | -0.32 | 10 | -3.20 | | | Karaoglan, Doruk | | | 2197 | TUR | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Thybo, Jesper Sondergaard | m | | 2525 | DEN | 0.50 | 1 | 0.18 | 10 | 1.80 | | | Potapov, Pavel | g | | 2517 | RUS | 0.50 | 1 | 0.17 | 10 | 1.70 | | | Quparadze, Giga | g | | 2501 | GEO | 0.00 | 1 | -0.35 | 10 | -3.50 | | | Heinemann, Josefine | | wg | 2238 | GER | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Kelires, Andreas | g | | 2529 | GRE | 0.50 | 1 | 0.18 | 10 | 1.80 | | | Mirzoev, Emil | m | | 2511 | UKR | 0.50 | 1 | 0.16 | 10 | 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) | | |
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