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Individual Calculations February 2024 |
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| Kobo, Ori Total change: -11.10 | |   |
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| Chessfestival Groningen 2023 Open A | Groningen | NED | 2023-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2401 | 2541 | 5.50 | 8 | 0.09 | 10 | 0.90 | |
|  Grooten, Herman | m | | 2243 | NED | 1.00 | 1 | 0.15 | 10 | 1.50 | |  Bulmaga, Irina | m | wg | 2439 | ROU | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Kazakouski, Valery | g | | 2586 | LTU | 0.50 | 1 | 0.06 | 10 | 0.60 | | | Romanov, Evgeny | g | | 2561 | NOR | 0.00 | 1 | -0.47 | 10 | -4.70 | | | Palchuk, Andrii | f | | 2328 | UKR | 0.50 | 1 | -0.27 | 10 | -2.70 | | | Gomes, Mary Ann | | wg | 2332 | IND | 0.50 | 1 | -0.27 | 10 | -2.70 | | | Maatman, Nick | m | | 2371 | NED | 1.00 | 1 | 0.28 | 10 | 2.80 | | | De Boer, Eelke | f | | 2346 | NED | 1.00 | 1 | 0.25 | 10 | 2.50 | |
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 League 2024 1-4 | Israel | ISR | 2024-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2452 | 2541 | 2.00 | 3 | 0.15 | 10 | 1.50 | |
| | Vydeslaver, Alik | m | | 2373 | ISR | 0.50 | 1 | -0.22 | 10 | -2.20 | | | Flom, Gabriel | g | | 2421 | FRA | 1.00 | 1 | 0.34 | 10 | 3.40 | | | Alekseev, Evgeny | g | | 2563 | ISR | 0.50 | 1 | 0.03 | 10 | 0.30 | |
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 Open Championship 2023 | israel | ISR | 2024-01-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2194 | 2541 | 6.50 | 9 | -1.35 | 10 | -13.50 | |
| | Snappir, Eitan | | | 2141 * | ISR | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Iliaguev, Daniel | | | 2153 | ISR | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Liubarov, Mark | f | | 2305 | ISR | 0.00 | 1 | -0.80 | 10 | -8.00 | | | Katz, Kiril | | | 2031 | ISR | 1.00 | 1 | 0.04 | 10 | 0.40 | | | Steiner-Prozhanski, Giora | | | 2229 | ISR | 0.00 | 1 | -0.86 | 10 | -8.60 | | | Levitan, Ronit | | wf | 2101 | ISR | 1.00 | 1 | 0.06 | 10 | 0.60 | | | Gavriely, Or | c | | 2106 | ISR | 0.50 | 1 | -0.44 | 10 | -4.40 | | | Yaniv, Yuval | f | | 2383 | ISR | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Sherman, Raem | f | | 2295 | ISR | 1.00 | 1 | 0.19 | 10 | 1.90 | | | * 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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