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Individual Calculations October 2023 |
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| Zeltsan, Joseph Total change: -5.70 | |   |
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| Closed Jeruchess GM tournament | Jerusalem | ISR | 2023-08-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2404 | 2427 | 4.00 | 9 | -0.77 | 10 | -7.70 | |
|  Kargin, Arseny | m | | 2389 | RUS | 0.50 | 1 | -0.05 | 10 | -0.50 | |  Tzidkiya, Yeshaayahu | m | | 2445 | ISR | 0.00 | 1 | -0.47 | 10 | -4.70 | | | Rozentalis, Eduardas | g | | 2490 | LTU | 0.50 | 1 | 0.09 | 10 | 0.90 | | | Haimovich, Tal | m | | 2359 | ISR | 1.00 | 1 | 0.41 | 10 | 4.10 | | | Mordechai, Hanan | f | | 2380 | ISR | 1.00 | 1 | 0.43 | 10 | 4.30 | | | Tifferet, Shaked | f | | 2281 | ISR | 0.50 | 1 | -0.20 | 10 | -2.00 | | | Gruenfeld, Yehuda | g | | 2388 | ISR | 0.50 | 1 | -0.05 | 10 | -0.50 | | | Dvoirys, Semen I. | g | | 2469 | RUS | 0.00 | 1 | -0.44 | 10 | -4.40 | | | Rozen, Eytan | m | | 2433 | 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) | | | | Marshall Premier 24 | New York, NY | USA | 2023-09-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2182 | 2427 | 4.00 | 5 | 0.20 | 10 | 2.00 | |
| | Gutnik, Aleksandr | | | 1937 | USA | 1.00 | 1 | 0.04 | 10 | 0.40 | | | Mou, Iris | | wm | 2161 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Hardaway, Brewington | f | | 2379 | USA | 1.00 | 1 | 0.43 | 10 | 4.30 | | | Bortnyk, Mykola | m | | 2407 | UKR | 0.00 | 1 | -0.53 | 10 | -5.30 | | | Nkululeko, Nkosi | | | 2027 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | * 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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