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Individual Calculations August 2023 |
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| Rozen, Eytan Total change: 19.40 | |   |
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| Kfar Saba Open Chess Championship 2023 | Kfar Saba | ISR | 2023-06-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2218 | 2414 | 6.00 | 7 | 1.20 | 10 | 12.00 | |
|  Tamir, Rami | | | 2014 * | ISR | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Dezent, Eyal | | | 1749 | ISR | 1.00 | 1 | 0.01 | 10 | 0.10 | | | Sitbon, Itay | | | 2184 | ISR | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Kaspi, Alexander | m | | 2414 | ISR | 1.00 | 1 | 0.50 | 10 | 5.00 | | | Veinberg, Nimrod | m | | 2415 | ISR | 0.50 | 1 | 0.00 | 10 | 0.00 | | | Dvoirys, Semen I. | g | | 2474 | RUS | 0.50 | 1 | 0.08 | 10 | 0.80 | | | Tifferet, Shaked | f | | 2279 | ISR | 1.00 | 1 | 0.32 | 10 | 3.20 | | | * 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) | | | | 13th Kiryat Ono Summer Festival Open A | Kiryat Ono | ISR | 2023-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2231 | 2414 | 2.50 | 4 | -0.30 | 10 | -3.00 | |
| | Ribstein, Orel | | | 2014 * | ISR | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Stolyarsky, Yegor | | | 2093 | ISR | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Bronstein, Or | m | | 2448 | ISR | 0.50 | 1 | 0.05 | 10 | 0.50 | | | Karp, Ilya | m | | 2368 | ISR | 0.00 | 1 | -0.56 | 10 | -5.60 | | | * 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) | | | | Romanian Grand Prix 2nd stage | Brasov | ROU | 2023-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2306 | 2414 | 6.50 | 9 | 1.04 | 10 | 10.40 | |
| | Marchidan, Costica | | | 2014 * | ROU | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Tudoroiu, Razvan-Catalin | | | 1978 | ROU | 1.00 | 1 | 0.06 | 10 | 0.60 | | | Papadakis, Michalis | | | 2151 | GRE | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Voiteanu, Gabriel | f | | 2169 | ROU | 0.50 | 1 | -0.30 | 10 | -3.00 | | | Podolskyi, Mykhailo | | | 2137 | UKR | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Gavrilescu, David | g | | 2524 | ROU | 0.50 | 1 | 0.15 | 10 | 1.50 | | | Parligras, Mircea-Emilian | g | | 2557 | ROU | 0.50 | 1 | 0.19 | 10 | 1.90 | | | Motylev, Alexander | g | | 2605 | ROU | 1.00 | 1 | 0.75 | 10 | 7.50 | | | Kollars, Dmitrij | g | | 2618 | GER | 0.00 | 1 | -0.24 | 10 | -2.40 | | | * 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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